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<p><b><span data-ke-size="size18">TDA2009A를 사용한 스테레오 오디오 증폭기(Audio Amplifier using TDA2009A-Stereo)</span></b></p><p> </p><p>TDA2009A를 사용한 20Watt 스테레오 오디오 증폭기를 만들어 보았습니다.</p><p>아쉽게도 TDA2009A는 단종이 되어 구하기가 어려울 수 있습니다. 그래서 아직까지 생산중인 TDA2004 또는 TDA2005를 사용할 수 있도록 회로를 구성해 보았습니다.</p><p>TDA2004 또는 TDA2005를 적용하여 회로를 꾸미실때는 자세한 회로도와 부품배치도를 참조하시기 바랍니다. 여기서 꾸며본 회로는 TDA2009A를 적용한 회로입니다.</p><p>또한, 회로에서 고음과 저음, 발란스 컨트롤을 선택적으로 사용할 수 있도록 하였습니다.</p><p> </p><p><span style="color: #0900ff;">회로도</span></p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1N6Gv/409a2f809e4342e39d75cbc68e12e5d6940bd194" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1N6Gv/409a2f809e4342e39d75cbc68e12e5d6940bd194" data-origin-width="700" data-origin-height="343"></div><p><span style="color: #0900ff;">자세한 회로도, 부품 배치도, 패턴도는 여기를 클릭하세요</span></p><p><span style="color: #0900ff;"><a href="https://cafe.daum.net/funny-circuit/M2lg/138" target="_blank" class="ke-link">https://cafe.daum.net/funny-circuit/M2lg/138</a></span></p><p> </p><p><span style="color: #0900ff;">부품을 준비해 봅시다.</span></p><div class="table-wrap"><table data-ke-type="table" data-ke-align="alignLeft" style="width: 100%;" border="1"><tbody><tr><td>품명</td><td>형명</td><td>적용</td><td>수량</td><td>비고</td></tr><tr><td>콘덴서</td><td>10uF</td><td>C1,C6,C10,C11,C16</td><td>5</td><td>전해</td></tr><tr><td>콘덴서</td><td>103</td><td>C2,C12</td><td>2</td><td>마일러</td></tr><tr><td>콘덴서</td><td>562</td><td>C3,C13</td><td>2</td><td>마일러</td></tr><tr><td>콘덴서</td><td>333</td><td>C4,C14</td><td>2</td><td>마일러</td></tr><tr><td>콘덴서</td><td>104</td><td>C5,C15</td><td>2</td><td>마일러</td></tr><tr><td>콘덴서</td><td>220uF</td><td>C7,C17,C21</td><td>3</td><td>전해</td></tr><tr><td>콘덴서</td><td>0.1uF</td><td>C8,C18,C20</td><td>3</td><td>세라믹 또는 모노</td></tr><tr><td>콘덴서</td><td>2200uF</td><td>C9,C19</td><td>2</td><td>전해</td></tr><tr><td>콘덴서</td><td>100uF</td><td>C22,C23</td><td>2</td><td>전해, TDA2005에 적용</td></tr><tr><td>점퍼</td><td><span style="color: #444444;">2.5mm Pin Header</span></td><td>JP1,JP2,JP3,JP4</td><td>4</td><td></td></tr><tr><td>점퍼 Short</td><td>2.5mm Short Pin</td><td>JP1,JP2,JP3,JP4</td><td>4</td><td></td></tr><tr><td>커넥터</td><td>PJ-317</td><td>J1</td><td>1</td><td>오디오 잭</td></tr><tr><td>커넥터</td><td>5267-3</td><td>J2,J3</td><td>2</td><td>Speaker</td></tr><tr><td>커넥터</td><td>5267-2</td><td>J4</td><td>1</td><td>12Vdc-IN</td></tr><tr><td>LED</td><td>GRN, 5mm</td><td>LED1</td><td>1</td><td></td></tr><tr><td>저항</td><td>4.7k</td><td>R1,R11</td><td>2</td><td></td></tr><tr><td>저항</td><td>1k</td><td>R2~R5,R12~R15</td><td>8</td><td></td></tr><tr><td>저항</td><td>15</td><td>R6,R16</td><td>2</td><td></td></tr><tr><td>저항</td><td>10</td><td>R7,R17</td><td>2</td><td></td></tr><tr><td>저항</td><td>1.2k</td><td>R18</td><td>1</td><td></td></tr><tr><td>저항</td><td>120k</td><td>R19</td><td>1</td><td>TDA2005에 적용</td></tr><tr><td>가변 저항</td><td>100k</td><td>100k</td><td>4</td><td>B형 Dual</td></tr><tr><td>스위치</td><td>SLIDE-DPDT</td><td>SW1</td><td>1</td><td></td></tr><tr><td>IC</td><td>TDA2009A</td><td>U1</td><td>1</td><td></td></tr><tr><td>방열판</td><td>90(L)x25(H)x5(W)</td><td>U1</td><td>1</td><td></td></tr><tr><td>스위치</td><td>슬라이드</td><td>SW1</td><td>1</td><td></td></tr><tr><td>패턴 와이어</td><td>단선</td><td>패턴용</td><td>필요량</td><td>0.3mm, 주석도금,</td></tr><tr><td>전선</td><td>연선</td><td>배선용</td><td>필요량</td><td>AWG24~26</td></tr><tr><td>PCB</td><td>만능 PCB</td><td></td><td></td><td></td></tr></tbody></table></div><p> </p><p><span style="color: #0900ff;">부품이 준비되었으면 만들어 봅시다.</span></p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1N6Gv/9bb499dc8509bc0d8011ffc029abab1d5ea54f5d" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1N6Gv/9bb499dc8509bc0d8011ffc029abab1d5ea54f5d" data-origin-width="500" data-origin-height="538"></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1N6Gv/d5b1719c3e075b1ad840ac9b3f7915adbb709911" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1N6Gv/d5b1719c3e075b1ad840ac9b3f7915adbb709911" data-origin-width="500" data-origin-height="548"></div><p style="text-align: center;">부품 배치도와 패턴도</p><p> </p><p> </p><p><span style="color: #0900ff;">완성품 </span></p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1N6Gv/cc2a557ac5ea94bc019538fbea7b6176f5ed12f7" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1N6Gv/cc2a557ac5ea94bc019538fbea7b6176f5ed12f7" data-origin-width="700" data-origin-height="340"></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1N6Gv/4faa0a950eaf69eb1728c452917d1a0766173c06" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1N6Gv/4faa0a950eaf69eb1728c452917d1a0766173c06" data-origin-width="700" data-origin-height="340"></div><p> </p>
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TDA2009A를 사용한 20 Watt 스테레오 오디오 증폭기
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