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        <title>&lt;font size=4.97em&gt;&lt;b&gt;홈레코딩 위키&lt;/b&gt;&lt;/font&gt; - 음향:specification:amplification_factor</title>
        <description>by&amp;nbsp&lt;a href=&quot;https://riversidejazz.imweb.me&quot; target=&quot;_blank&quot;&gt;리버사이드 재즈 레이블&lt;/a&gt;</description>
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       <dc:date>2026-04-21T09:16:54+00:00</dc:date>
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                <rdf:li rdf:resource="https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/amplification_factor/current_gain"/>
                <rdf:li rdf:resource="https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/amplification_factor/gain_factor"/>
                <rdf:li rdf:resource="https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/amplification_factor/open_loop_gain"/>
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        <title><font size=4.97em><b>홈레코딩 위키</b></font></title>
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    <item rdf:about="https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/amplification_factor/current_gain">
        <dc:format>text/html</dc:format>
        <dc:date>2025-04-20T09:30:50+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Current Gain</title>
        <link>https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/amplification_factor/current_gain</link>
        <description>


&lt;h1 class=&quot;sectionedit1&quot; id=&quot;current_gain&quot;&gt;Current Gain&lt;/h1&gt;
&lt;div class=&quot;level1&quot;&gt;

&lt;p&gt;
&lt;strong&gt;&lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전류&lt;/a&gt; 이득&lt;/strong&gt;
&lt;/p&gt;

&lt;p&gt;
&lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=BJT 트랜지스터&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;BJT&lt;/a&gt;는 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전류&lt;/a&gt; 제어 소자로, &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=입력 인풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;입력&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=베이스&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;베이스&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전류&lt;/a&gt;를 제어하여 컬렉터 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전류&lt;/a&gt;를 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt;합니다. 이때의 비율이 바로 Current Gain이라고 합니다.
&lt;/p&gt;

&lt;p&gt;
Current Gain(β 또는 hFE): 
&lt;/p&gt;

&lt;p&gt;
&lt;img src=&quot;https://www.homerecz.com/lib/plugins/mathpublish/img.php?img=2f7f6e5f6ec093040de8758b2409918b&quot; class=&quot;mediacenter mathpublish&quot; alt=&quot;β = I_c/I_b&quot; title=&quot;β = I_c/I_b&quot; width=&quot;43&quot; height=&quot;48&quot; style=&quot;display: block; object-fit: fill;&quot; /&gt;
&lt;/p&gt;

&lt;p&gt;
여기서:
&lt;/p&gt;
&lt;ul&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; &lt;img src=&quot;https://www.homerecz.com/lib/plugins/mathpublish/img.php?img=bd30a68dee430cd18485e507947c9692&quot; class=&quot; mathpublish&quot; alt=&quot;I_c&quot; title=&quot;I_c&quot; width=&quot;18&quot; height=&quot;24&quot; style=&quot;display: inline-block; object-fit: fill;&quot; /&gt;: 컬렉터 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전류&lt;/a&gt;&lt;/div&gt;
&lt;/li&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; &lt;img src=&quot;https://www.homerecz.com/lib/plugins/mathpublish/img.php?img=077bc8ea705e3dcf402545c3425527b5&quot; class=&quot; mathpublish&quot; alt=&quot;I_b&quot; title=&quot;I_b&quot; width=&quot;19&quot; height=&quot;24&quot; style=&quot;display: inline-block; object-fit: fill;&quot; /&gt;: &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=베이스&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;베이스&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전류&lt;/a&gt;&lt;/div&gt;
&lt;/li&gt;
&lt;/ul&gt;

&lt;/div&gt;
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&lt;h2 class=&quot;sectionedit2&quot; id=&quot;특징&quot;&gt;특징&lt;/h2&gt;
&lt;div class=&quot;level2&quot;&gt;
&lt;ul&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; 일반적으로 β 값은 수십에서 수백 사이입니다.&lt;/div&gt;
&lt;/li&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; &lt;img src=&quot;https://www.homerecz.com/lib/plugins/mathpublish/img.php?img=bd30a68dee430cd18485e507947c9692&quot; class=&quot; mathpublish&quot; alt=&quot;I_c&quot; title=&quot;I_c&quot; width=&quot;18&quot; height=&quot;24&quot; style=&quot;display: inline-block; object-fit: fill;&quot; /&gt;는 &lt;img src=&quot;https://www.homerecz.com/lib/plugins/mathpublish/img.php?img=077bc8ea705e3dcf402545c3425527b5&quot; class=&quot; mathpublish&quot; alt=&quot;I_b&quot; title=&quot;I_b&quot; width=&quot;19&quot; height=&quot;24&quot; style=&quot;display: inline-block; object-fit: fill;&quot; /&gt;에 비례하지만, &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=파워&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;전원&lt;/a&gt; 공급 조건과 온도에 따라 변동될 수 있습니다.&lt;/div&gt;
&lt;/li&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=BJT 트랜지스터&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;BJT&lt;/a&gt;마다 제조 공정의 차이로 인해 β 값이 약간 달라질 수 있습니다.&lt;/div&gt;
&lt;/li&gt;
&lt;/ul&gt;
&lt;div class=&quot;tags&quot;&gt;&lt;span&gt;
	&lt;a href=&quot;https://www.homerecz.com/doku.php/tag/%EA%B2%8C%EC%9D%B8?do=showtag&amp;amp;tag=%EA%B2%8C%EC%9D%B8&quot; class=&quot;wikilink1&quot; title=&quot;tag:게인&quot; rel=&quot;tag&quot;&gt;게인&lt;/a&gt;
&lt;/span&gt;&lt;/div&gt;

&lt;/div&gt;
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    </item>
    <item rdf:about="https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/amplification_factor/gain_factor">
        <dc:format>text/html</dc:format>
        <dc:date>2025-06-05T03:12:17+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Gain Factor</title>
        <link>https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/amplification_factor/gain_factor</link>
        <description>
&lt;h1 class=&quot;sectionedit1&quot; id=&quot;gain_factor&quot;&gt;Gain Factor&lt;/h1&gt;
&lt;div class=&quot;level1&quot;&gt;

&lt;p&gt;
&lt;img src=&quot;https://www.homerecz.com/lib/plugins/mathpublish/img.php?img=870dcefa756c1f9bf1832b066ed35178&quot; class=&quot; mathpublish&quot; alt=&quot;mu&quot; title=&quot;mu&quot; width=&quot;12&quot; height=&quot;16&quot; style=&quot;display: inline-block; object-fit: fill;&quot; /&gt;, mu
&lt;/p&gt;

&lt;p&gt;
&lt;strong&gt;&lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=게인&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;게인&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=팩터&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;팩터&lt;/a&gt;(Gain Factor)&lt;/strong&gt;는 &lt;strong&gt;&lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=튜브 진공관&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;진공관&lt;/a&gt;&lt;/strong&gt;의 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=시그널 신호&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;신호&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt; 능력을 나타내는 중요한 개념입니다. 이는 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=입력 인풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;입력&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=시그널 신호&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;신호&lt;/a&gt;에 비해 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=출력 아웃 아웃풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;출력&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=시그널 신호&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;신호&lt;/a&gt;가 얼마나 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt;되는지를 나타내는 비율로 정의됩니다. 주로 단위가 없이 비율로 표시되며, 다음과 같은 방식으로 계산됩니다:
&lt;/p&gt;

&lt;p&gt;
&lt;img src=&quot;https://www.homerecz.com/lib/plugins/mathpublish/img.php?img=c6148092a41406f38ee7fc6d00f326db&quot; class=&quot;mediacenter mathpublish&quot; alt=&quot;Gain Factor = {Voltage Out}/{Voltage In}&quot; title=&quot;Gain Factor = {Voltage Out}/{Voltage In}&quot; width=&quot;168&quot; height=&quot;34&quot; style=&quot;display: block; object-fit: fill;&quot; /&gt;
&lt;/p&gt;

&lt;p&gt;
예를 들어, &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=입력 인풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;입력&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전압&lt;/a&gt;이 1V이고 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=출력 아웃 아웃풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;출력&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전압&lt;/a&gt;이 10V라면, Gain factor는 10이 됩니다.
&lt;/p&gt;
&lt;div class=&quot;tags&quot;&gt;&lt;span&gt;
	&lt;a href=&quot;https://www.homerecz.com/doku.php/tag/%EA%B2%8C%EC%9D%B8?do=showtag&amp;amp;tag=%EA%B2%8C%EC%9D%B8&quot; class=&quot;wikilink1&quot; title=&quot;tag:게인&quot; rel=&quot;tag&quot;&gt;게인&lt;/a&gt;,
	&lt;a href=&quot;https://www.homerecz.com/doku.php/tag/%ED%8C%A9%ED%84%B0?do=showtag&amp;amp;tag=%ED%8C%A9%ED%84%B0&quot; class=&quot;wikilink1&quot; title=&quot;tag:팩터&quot; rel=&quot;tag&quot;&gt;팩터&lt;/a&gt;
&lt;/span&gt;&lt;/div&gt;

&lt;/div&gt;
</description>
    </item>
    <item rdf:about="https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/amplification_factor/open_loop_gain">
        <dc:format>text/html</dc:format>
        <dc:date>2025-12-21T15:26:06+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Open-Loop Gain</title>
        <link>https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/amplification_factor/open_loop_gain</link>
        <description>


&lt;h1 class=&quot;sectionedit1&quot; id=&quot;open-loop_gain&quot;&gt;Open-Loop Gain&lt;/h1&gt;
&lt;div class=&quot;level1&quot;&gt;

&lt;p&gt;
&lt;strong&gt;개방 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=루프&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;루프&lt;/a&gt; 이득, A&lt;sub&gt;ol&lt;/sub&gt;&lt;/strong&gt;
&lt;/p&gt;

&lt;p&gt;
&lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/solid_state/op-amp/start&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:solid_state:op-amp:start&quot; data-wiki-id=&quot;음향:electric_circuit:solid_state:op-amp:start&quot;&gt;Op-Amp&lt;/a&gt;는 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=입력 인풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;입력&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전압&lt;/a&gt; 차이에 비례하는 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=출력 아웃 아웃풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;출력&lt;/a&gt;을 내는 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt; 소자이고 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/solid_state/op-amp/start&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:solid_state:op-amp:start&quot; data-wiki-id=&quot;음향:electric_circuit:solid_state:op-amp:start&quot;&gt;Op-Amp&lt;/a&gt;의 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt;률을 Open-Loop Gain이라고 합니다. Open-Loop Gain은 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=피드백&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;피드백&lt;/a&gt;이 없는 상태에서의 이득을 의미하며, &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=입력 인풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;입력&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=시그널 신호&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;신호&lt;/a&gt;를 얼마나 크게 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt;할 수 있는 지를 나타냅니다.
&lt;/p&gt;
&lt;ul&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; Open-Loop Gain&lt;/div&gt;
&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;
&lt;img src=&quot;https://www.homerecz.com/lib/plugins/mathpublish/img.php?img=63a74888ce69082f66fdd5c5d83a85ec&quot; class=&quot;mediacenter mathpublish&quot; alt=&quot;A_ol=V_out/{V_{+}-V_{-}}&quot; title=&quot;A_ol=V_out/{V_{+}-V_{-}}&quot; width=&quot;87&quot; height=&quot;48&quot; style=&quot;display: block; object-fit: fill;&quot; /&gt;
&lt;/p&gt;

&lt;/div&gt;
&lt;!-- EDIT{&amp;quot;target&amp;quot;:&amp;quot;section&amp;quot;,&amp;quot;name&amp;quot;:&amp;quot;Open-Loop Gain&amp;quot;,&amp;quot;hid&amp;quot;:&amp;quot;open-loop_gain&amp;quot;,&amp;quot;codeblockOffset&amp;quot;:0,&amp;quot;secid&amp;quot;:1,&amp;quot;range&amp;quot;:&amp;quot;19-444&amp;quot;} --&gt;
&lt;h2 class=&quot;sectionedit2&quot; id=&quot;특징&quot;&gt;특징&lt;/h2&gt;
&lt;div class=&quot;level2&quot;&gt;
&lt;ul&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/solid_state/op-amp/start&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:solid_state:op-amp:start&quot; data-wiki-id=&quot;음향:electric_circuit:solid_state:op-amp:start&quot;&gt;Op-Amp&lt;/a&gt;의 Open-Loop Gain은 매우 크며, 일반적으로 10&lt;sup&gt;5&lt;/sup&gt; ~ 10&lt;sup&gt;7&lt;/sup&gt;(100,000 ~ 10,000,000) 정도입니다.&lt;/div&gt;
&lt;/li&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; 실질적으로는 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=피드백&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;피드백&lt;/a&gt;을 걸어 이득을 제어하여 사용합니다.&lt;/div&gt;
&lt;/li&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; 이상적인 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/solid_state/op-amp/start&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:solid_state:op-amp:start&quot; data-wiki-id=&quot;음향:electric_circuit:solid_state:op-amp:start&quot;&gt;Op-Amp&lt;/a&gt;에서는 개방 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=루프&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;루프&lt;/a&gt; 이득이 무한대이지만, 실제 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/solid_state/op-amp/start&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:solid_state:op-amp:start&quot; data-wiki-id=&quot;음향:electric_circuit:solid_state:op-amp:start&quot;&gt;Op-Amp&lt;/a&gt;는 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=주파수&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;주파수&lt;/a&gt;에 따라 이득이 감소하는 이득 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=밴드 대역 대역폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;대역폭&lt;/a&gt; 곱(&lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/gbp&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:specification:gbp&quot; data-wiki-id=&quot;음향:specification:gbp&quot;&gt;Gain-Bandwidth Product&lt;/a&gt;) 특성을 가집니다.&lt;/div&gt;
&lt;/li&gt;
&lt;/ul&gt;

&lt;/div&gt;
&lt;!-- EDIT{&amp;quot;target&amp;quot;:&amp;quot;section&amp;quot;,&amp;quot;name&amp;quot;:&amp;quot;\ud2b9\uc9d5&amp;quot;,&amp;quot;hid&amp;quot;:&amp;quot;\ud2b9\uc9d5&amp;quot;,&amp;quot;codeblockOffset&amp;quot;:0,&amp;quot;secid&amp;quot;:2,&amp;quot;range&amp;quot;:&amp;quot;445-914&amp;quot;} --&gt;
&lt;h1 class=&quot;sectionedit3&quot; id=&quot;differential_gain&quot;&gt;Differential Gain&lt;/h1&gt;
&lt;div class=&quot;level1&quot;&gt;

&lt;p&gt;
&lt;strong&gt;Differential Gain&lt;/strong&gt;은 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/solid_state/op-amp/start&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:solid_state:op-amp:start&quot; data-wiki-id=&quot;음향:electric_circuit:solid_state:op-amp:start&quot;&gt;Op-Amp&lt;/a&gt;가 두 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=입력 인풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;입력&lt;/a&gt; 단자(비반전 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=입력 인풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;입력&lt;/a&gt; V+와 반전 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=입력 인풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;입력&lt;/a&gt; V-)간의 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전압&lt;/a&gt; 차이 (V+ - V-)를 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt;하는 능력을 말합니다.
&lt;/p&gt;

&lt;/div&gt;
&lt;!-- EDIT{&amp;quot;target&amp;quot;:&amp;quot;section&amp;quot;,&amp;quot;name&amp;quot;:&amp;quot;Differential Gain&amp;quot;,&amp;quot;hid&amp;quot;:&amp;quot;differential_gain&amp;quot;,&amp;quot;codeblockOffset&amp;quot;:0,&amp;quot;secid&amp;quot;:3,&amp;quot;range&amp;quot;:&amp;quot;915-1110&amp;quot;} --&gt;
&lt;h2 class=&quot;sectionedit4&quot; id=&quot;정의&quot;&gt;정의&lt;/h2&gt;
&lt;div class=&quot;level2&quot;&gt;
&lt;ul&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/solid_state/op-amp/start&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:solid_state:op-amp:start&quot; data-wiki-id=&quot;음향:electric_circuit:solid_state:op-amp:start&quot;&gt;Op-Amp&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=출력 아웃 아웃풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;출력&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전압&lt;/a&gt;이 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=입력 인풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;입력&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전압&lt;/a&gt; 차이에 비례하여 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt;되는 비율.&lt;/div&gt;
&lt;/li&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; 공식&lt;/div&gt;
&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;
&lt;img src=&quot;https://www.homerecz.com/lib/plugins/mathpublish/img.php?img=dece293b75b55a5407b820a208ffb8a0&quot; class=&quot;mediacenter mathpublish&quot; alt=&quot;A_diff=V_out/{V_{+}-V_{-}}&quot; title=&quot;A_diff=V_out/{V_{+}-V_{-}}&quot; width=&quot;97&quot; height=&quot;48&quot; style=&quot;display: block; object-fit: fill;&quot; /&gt;
&lt;/p&gt;

&lt;/div&gt;
&lt;!-- EDIT{&amp;quot;target&amp;quot;:&amp;quot;section&amp;quot;,&amp;quot;name&amp;quot;:&amp;quot;\uc815\uc758&amp;quot;,&amp;quot;hid&amp;quot;:&amp;quot;\uc815\uc758&amp;quot;,&amp;quot;codeblockOffset&amp;quot;:0,&amp;quot;secid&amp;quot;:4,&amp;quot;range&amp;quot;:&amp;quot;1111-1269&amp;quot;} --&gt;
&lt;h2 class=&quot;sectionedit5&quot; id=&quot;differential_gain과_open-loop_gain의_차이&quot;&gt;Differential Gain과 Open-Loop Gain의 차이&lt;/h2&gt;
&lt;div class=&quot;level2&quot;&gt;
&lt;ul&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; &lt;strong&gt;Differential Gain&lt;/strong&gt;: 두 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=입력 인풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;입력&lt;/a&gt; 간의 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전압&lt;/a&gt; 차이를 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt;하는 데 중점을 둔 실제 특성.&lt;/div&gt;
&lt;/li&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; &lt;strong&gt;Open-Loop Gain&lt;/strong&gt;: &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=피드백&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;피드백&lt;/a&gt;이 없는 상태에서 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/solid_state/op-amp/start&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:solid_state:op-amp:start&quot; data-wiki-id=&quot;음향:electric_circuit:solid_state:op-amp:start&quot;&gt;Op-Amp&lt;/a&gt;의 이상적인 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt;도.&lt;/div&gt;
&lt;/li&gt;
&lt;/ul&gt;
&lt;div class=&quot;tags&quot;&gt;&lt;span&gt;
	&lt;a href=&quot;https://www.homerecz.com/doku.php/tag/%EB%A3%A8%ED%94%84?do=showtag&amp;amp;tag=%EB%A3%A8%ED%94%84&quot; class=&quot;wikilink1&quot; title=&quot;tag:루프&quot; rel=&quot;tag&quot;&gt;루프&lt;/a&gt;,
	&lt;a href=&quot;https://www.homerecz.com/doku.php/tag/%EA%B2%8C%EC%9D%B8?do=showtag&amp;amp;tag=%EA%B2%8C%EC%9D%B8&quot; class=&quot;wikilink1&quot; title=&quot;tag:게인&quot; rel=&quot;tag&quot;&gt;게인&lt;/a&gt;
&lt;/span&gt;&lt;/div&gt;

&lt;/div&gt;
&lt;!-- EDIT{&amp;quot;target&amp;quot;:&amp;quot;section&amp;quot;,&amp;quot;name&amp;quot;:&amp;quot;Differential Gain\uacfc Open-Loop Gain\uc758 \ucc28\uc774&amp;quot;,&amp;quot;hid&amp;quot;:&amp;quot;differential_gain\uacfc_open-loop_gain\uc758_\ucc28\uc774&amp;quot;,&amp;quot;codeblockOffset&amp;quot;:0,&amp;quot;secid&amp;quot;:5,&amp;quot;range&amp;quot;:&amp;quot;1270-&amp;quot;} --&gt;</description>
    </item>
    <item rdf:about="https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/amplification_factor/start">
        <dc:format>text/html</dc:format>
        <dc:date>2025-06-05T03:11:54+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>증폭률</title>
        <link>https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/amplification_factor/start</link>
        <description>


&lt;h1 class=&quot;sectionedit1&quot; id=&quot;증폭률&quot;&gt;증폭률&lt;/h1&gt;
&lt;div class=&quot;level1&quot;&gt;

&lt;p&gt;
&lt;strong&gt;Amplification Factor&lt;/strong&gt;
&lt;/p&gt;

&lt;p&gt;
&lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt;률은 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=입력 인풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;입력&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=시그널 신호&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;신호&lt;/a&gt;를 얼마나 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt;하여 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=출력 아웃 아웃풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;출력&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=시그널 신호&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;신호&lt;/a&gt;로 내보내는지를 나타내는 비율입니다. 이는 다양한 소자와 시스템에서 사용되며, 각기 다른 방식으로 정의될 수 있지만, 공통적으로 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=입력 인풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;입력&lt;/a&gt;에 대한 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=출력 아웃 아웃풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;출력&lt;/a&gt;의 비율을 의미합니다.
&lt;/p&gt;

&lt;/div&gt;
&lt;!-- EDIT{&amp;quot;target&amp;quot;:&amp;quot;section&amp;quot;,&amp;quot;name&amp;quot;:&amp;quot;\uc99d\ud3ed\ub960&amp;quot;,&amp;quot;hid&amp;quot;:&amp;quot;\uc99d\ud3ed\ub960&amp;quot;,&amp;quot;codeblockOffset&amp;quot;:0,&amp;quot;secid&amp;quot;:1,&amp;quot;range&amp;quot;:&amp;quot;19-366&amp;quot;} --&gt;
&lt;h2 class=&quot;sectionedit2&quot; id=&quot;기본_개념&quot;&gt;기본 개념&lt;/h2&gt;
&lt;div class=&quot;level2&quot;&gt;

&lt;p&gt;
&lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt;률은 다음과 같은 일반적인 식으로 표현됩니다.
&lt;/p&gt;

&lt;p&gt;
&lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt;률=&lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=출력 아웃 아웃풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;출력&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=시그널 신호&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;신호&lt;/a&gt;/&lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=입력 인풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;입력&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=시그널 신호&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;신호&lt;/a&gt;
&lt;/p&gt;

&lt;p&gt;
단위는 상황에 따라 다르지만, 비율(무단위)로 표현되거나 특정 단위를 가질 수 있습니다.
&lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=입력 인풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;입력&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=시그널 신호&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;신호&lt;/a&gt;와 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=출력 아웃 아웃풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;출력&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=시그널 신호&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;신호&lt;/a&gt;는 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전압&lt;/a&gt;, &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전류&lt;/a&gt;, &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=전력 파워&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;전력&lt;/a&gt; 등이 될 수 있습니다.
&lt;/p&gt;

&lt;/div&gt;
&lt;!-- EDIT{&amp;quot;target&amp;quot;:&amp;quot;section&amp;quot;,&amp;quot;name&amp;quot;:&amp;quot;\uae30\ubcf8 \uac1c\ub150&amp;quot;,&amp;quot;hid&amp;quot;:&amp;quot;\uae30\ubcf8_\uac1c\ub150&amp;quot;,&amp;quot;codeblockOffset&amp;quot;:0,&amp;quot;secid&amp;quot;:2,&amp;quot;range&amp;quot;:&amp;quot;367-710&amp;quot;} --&gt;
&lt;h2 class=&quot;sectionedit3&quot; id=&quot;증폭률과_데시벨_db_의_관계&quot;&gt;증폭률과 데시벨(dB)의 관계&lt;/h2&gt;
&lt;div class=&quot;level2&quot;&gt;

&lt;p&gt;
&lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt;률은 로그 스케일인 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/decibel/decibel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:decibel:decibel&quot; data-wiki-id=&quot;음향:decibel:decibel&quot;&gt;데시벨&lt;/a&gt;(&lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=dB&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;dB&lt;/a&gt;)로 변환하여 더 직관적으로 표현할 수 있습니다. 변환 공식은 다음과 같습니다:
&lt;/p&gt;

&lt;p&gt;
&lt;img src=&quot;https://www.homerecz.com/lib/plugins/mathpublish/img.php?img=3e95425aa87243d2fbab04ad543bb818&quot; class=&quot;mediacenter mathpublish&quot; alt=&quot;Gain(dB) = 20 * log_10(Amplification Factor)&quot; title=&quot;Gain(dB) = 20 * log_10(Amplification Factor)&quot; width=&quot;301&quot; height=&quot;26&quot; style=&quot;display: block; object-fit: fill;&quot; /&gt;
&lt;/p&gt;

&lt;p&gt;
이 공식은 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전압&lt;/a&gt;, &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전류&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt;을 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=측정&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;측정&lt;/a&gt;할 때 주로 사용되며, &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=출력 아웃 아웃풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;출력&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=시그널 신호&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;신호&lt;/a&gt;의 상대적 크기를 명확히 보여줍니다. 예를 들어, &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt;률이 10이라면 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=dB&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;dB&lt;/a&gt;로 표현하면:
&lt;/p&gt;

&lt;p&gt;
&lt;img src=&quot;https://www.homerecz.com/lib/plugins/mathpublish/img.php?img=bcea9492ba14f251e19643d6a35df373&quot; class=&quot;mediacenter mathpublish&quot; alt=&quot;20 * log_10(10) = 20 dB&quot; title=&quot;20 * log_10(10) = 20 dB&quot; width=&quot;151&quot; height=&quot;26&quot; style=&quot;display: block; object-fit: fill;&quot; /&gt;
&lt;/p&gt;

&lt;p&gt;
이와 비슷하게, &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt;률이 100이라면 40&lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=dB&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;dB&lt;/a&gt;입니다.
&lt;/p&gt;

&lt;div&gt;&lt;div id=&quot;nojs_indexmenu_27588087169e67b87bb5df&quot; data-jsajax=&quot;&amp;sort=t&amp;msort=indexmenu_n&amp;nsort=1&amp;group=1&quot; class=&quot;indexmenu_nojs&quot;&gt;
&lt;ul class=&quot;idx&quot;&gt;
&lt;li class=&quot;level1&quot; &gt;&lt;div class=&quot;li&quot;&gt;&lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/amplification_factor/start&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:specification:amplification_factor:start&quot; data-wiki-id=&quot;음향:specification:amplification_factor:start&quot;&gt;증폭률&lt;/a&gt;&lt;/div&gt;&lt;/li&gt;
&lt;li class=&quot;level1&quot; &gt;&lt;div class=&quot;li&quot;&gt;&lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/amplification_factor/current_gain&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:specification:amplification_factor:current_gain&quot; data-wiki-id=&quot;음향:specification:amplification_factor:current_gain&quot;&gt;Current Gain&lt;/a&gt;&lt;/div&gt;&lt;/li&gt;
&lt;li class=&quot;level1&quot; &gt;&lt;div class=&quot;li&quot;&gt;&lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/amplification_factor/transconductance&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:specification:amplification_factor:transconductance&quot; data-wiki-id=&quot;음향:specification:amplification_factor:transconductance&quot;&gt;Transconductance&lt;/a&gt;&lt;/div&gt;&lt;/li&gt;
&lt;li class=&quot;level1&quot; &gt;&lt;div class=&quot;li&quot;&gt;&lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/amplification_factor/open_loop_gain&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:specification:amplification_factor:open_loop_gain&quot; data-wiki-id=&quot;음향:specification:amplification_factor:open_loop_gain&quot;&gt;Open-Loop Gain&lt;/a&gt;&lt;/div&gt;&lt;/li&gt;
&lt;li class=&quot;level1&quot; &gt;&lt;div class=&quot;li&quot;&gt;&lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/amplification_factor/gain_factor&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:specification:amplification_factor:gain_factor&quot; data-wiki-id=&quot;음향:specification:amplification_factor:gain_factor&quot;&gt;Gain Factor&lt;/a&gt;&lt;/div&gt;&lt;/li&gt;
&lt;/ul&gt;
&lt;/div&gt;&lt;/div&gt;&lt;div class=&quot;tags&quot;&gt;&lt;span&gt;
	&lt;a href=&quot;https://www.homerecz.com/doku.php/tag/%EC%A6%9D%ED%8F%AD?do=showtag&amp;amp;tag=%EC%A6%9D%ED%8F%AD&quot; class=&quot;wikilink1&quot; title=&quot;tag:증폭&quot; rel=&quot;tag&quot;&gt;증폭&lt;/a&gt;
&lt;/span&gt;&lt;/div&gt;

&lt;/div&gt;
&lt;!-- EDIT{&amp;quot;target&amp;quot;:&amp;quot;section&amp;quot;,&amp;quot;name&amp;quot;:&amp;quot;\uc99d\ud3ed\ub960\uacfc \ub370\uc2dc\ubca8(dB)\uc758 \uad00\uacc4&amp;quot;,&amp;quot;hid&amp;quot;:&amp;quot;\uc99d\ud3ed\ub960\uacfc_\ub370\uc2dc\ubca8_db_\uc758_\uad00\uacc4&amp;quot;,&amp;quot;codeblockOffset&amp;quot;:0,&amp;quot;secid&amp;quot;:3,&amp;quot;range&amp;quot;:&amp;quot;711-&amp;quot;} --&gt;</description>
    </item>
    <item rdf:about="https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/amplification_factor/transconductance">
        <dc:format>text/html</dc:format>
        <dc:date>2024-12-16T12:46:37+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>Transconductance</title>
        <link>https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/specification/amplification_factor/transconductance</link>
        <description>


&lt;h1 class=&quot;sectionedit1&quot; id=&quot;transconductance&quot;&gt;Transconductance&lt;/h1&gt;
&lt;div class=&quot;level1&quot;&gt;

&lt;p&gt;
&lt;strong&gt;트랜스컨덕턴스, 𝑔𝑚&lt;/strong&gt;
&lt;/p&gt;

&lt;p&gt;
&lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=FET 트랜지스터&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;FET&lt;/a&gt;는 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전압&lt;/a&gt; 제어 소자로, &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/signal_processor/gate_expander&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:signal_processor:gate_expander&quot; data-wiki-id=&quot;음향:signal_processor:gate_expander&quot;&gt;게이트&lt;/a&gt;-소스 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전압&lt;/a&gt;(𝑉&lt;sub&gt;𝑔𝑠&lt;/sub&gt;)이 드레인 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전류&lt;/a&gt;(𝐼&lt;sub&gt;𝑑&lt;/sub&gt;)를 제어합니다. 여기서 Transconductance, 𝑔𝑚은 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=입력 인풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;입력&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전압&lt;/a&gt; 변화에 따른 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=출력 아웃 아웃풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;출력&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전류&lt;/a&gt;의 비율입니다.
&lt;/p&gt;
&lt;ul&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; 트랜스컨덕턴스: &lt;/div&gt;
&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;
&lt;img src=&quot;https://www.homerecz.com/lib/plugins/mathpublish/img.php?img=a7a0ac53d959941f100ee59ce8488f87&quot; class=&quot;mediacenter mathpublish&quot; alt=&quot;gm=ΔI_d/ΔV_gs&quot; title=&quot;gm=ΔI_d/ΔV_gs&quot; width=&quot;75&quot; height=&quot;48&quot; style=&quot;display: block; object-fit: fill;&quot; /&gt;
&lt;/p&gt;

&lt;p&gt;
여기서:
&lt;/p&gt;
&lt;ul&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; &lt;img src=&quot;https://www.homerecz.com/lib/plugins/mathpublish/img.php?img=39e28a5a31dbc277dd50ce757b09c27a&quot; class=&quot; mathpublish&quot; alt=&quot;ΔI_d&quot; title=&quot;ΔI_d&quot; width=&quot;30&quot; height=&quot;24&quot; style=&quot;display: inline-block; object-fit: fill;&quot; /&gt;: 드레인 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전류&lt;/a&gt;의 변화량&lt;/div&gt;
&lt;/li&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; &lt;img src=&quot;https://www.homerecz.com/lib/plugins/mathpublish/img.php?img=3f9aaae40fb4baf580c986e3e6052412&quot; class=&quot; mathpublish&quot; alt=&quot;ΔV_gs&quot; title=&quot;ΔV_gs&quot; width=&quot;39&quot; height=&quot;24&quot; style=&quot;display: inline-block; object-fit: fill;&quot; /&gt;: &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/signal_processor/gate_expander&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:signal_processor:gate_expander&quot; data-wiki-id=&quot;음향:signal_processor:gate_expander&quot;&gt;게이트&lt;/a&gt;-소스 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전압&lt;/a&gt;의 변화량&lt;/div&gt;
&lt;/li&gt;
&lt;/ul&gt;

&lt;/div&gt;
&lt;!-- EDIT{&amp;quot;target&amp;quot;:&amp;quot;section&amp;quot;,&amp;quot;name&amp;quot;:&amp;quot;Transconductance&amp;quot;,&amp;quot;hid&amp;quot;:&amp;quot;transconductance&amp;quot;,&amp;quot;codeblockOffset&amp;quot;:0,&amp;quot;secid&amp;quot;:1,&amp;quot;range&amp;quot;:&amp;quot;19-504&amp;quot;} --&gt;
&lt;h2 class=&quot;sectionedit2&quot; id=&quot;특징&quot;&gt;특징&lt;/h2&gt;
&lt;div class=&quot;level2&quot;&gt;
&lt;ul&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; 단위는 &lt;strong&gt;A/V&lt;/strong&gt;입니다.&lt;/div&gt;
&lt;/li&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; Transconductance는 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=FET 트랜지스터&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;FET&lt;/a&gt;의 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt; 능력을 나타내며, &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전압&lt;/a&gt; 제어 &lt;a href=&quot;https://www.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=증폭&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;증폭&lt;/a&gt; 특성을 평가하는 핵심 지표입니다.&lt;/div&gt;
&lt;/li&gt;
&lt;li class=&quot;level1&quot;&gt;&lt;div class=&quot;li&quot;&gt; MOSFET의 경우 𝑔𝑚은 드레인 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전류&lt;/a&gt;와 &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/signal_processor/gate_expander&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:signal_processor:gate_expander&quot; data-wiki-id=&quot;음향:signal_processor:gate_expander&quot;&gt;게이트&lt;/a&gt; &lt;a href=&quot;https://www.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/electric_circuit/formula_wheel&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:electric_circuit:formula_wheel&quot; data-wiki-id=&quot;음향:electric_circuit:formula_wheel&quot;&gt;전압&lt;/a&gt; 간의 관계를 반영합니다.&lt;/div&gt;
&lt;/li&gt;
&lt;/ul&gt;

&lt;/div&gt;
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