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NE5532+L7812CV+NE555+KBP210+TDA7294功放原理图+PCB作品文件分享。用AD画的单面板，( h. n F- o0 h4 L
TDA7294功放，* }+ I! V: I) l' w6 E1 T
板子局部较密，有一定难度，有需要的可以看看。7 J- k7 s# A4 s% Y: x# E8 ?0 j
层数：1层$ o& T7 }) {4 g7 j3 |6 j
用途：功放电路
; R5 n- ]7 d# N$ jpcb作品截图如下：6 `- T/ @2 z, k) i. n! m
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5 q8 o9 h. B; G+ vComment | Designator | Quantity | Footprint | 0.1uF | C1, C2, C5, C6, C11, C12, C15, C16 | 8 | CAP13x5 | 22uF/100V | C3 | 1 | CAP8x12 | 100P | C4, C14 | 2 | CAP13x5 | 1uF | C7, C8, C17, C18 | 4 | CAP4X7 | 10uF | C9, C10 | 2 | CAP5X7 | 22uF | C13 | 1 | CAP8x12 | 220U/35V | C19 | 1 | CAP10x115 | 220U | C20, C21 | 2 | CAP8x12 | 10U | C22 | 1 | CAP5X7 | 47U | C23 | 1 | CAP6x12 | 0.01U | C24 | 1 | RAD-0.3 | 1N4148 | D1, D3 | 2 | 1N4007 | KBP210 | D2 | 1 | KBP210 | 1N4007 | D4, D5 | 2 | 1N4007 | NE5532 | IC1, IC3 | 2 | DIP8 | TDA7294 | IC2, IC4 | 2 | TDA7294 | L7812CV | IC5 | 1 | 7824 | NE555 | IC6 | 1 | DIP8 | Comment | J1, J4, J22, J23, J34 | 5 | J-05mm | , l! E7 o, L5 v8 x1 c% z
| J2, J3, J14, J15, J16, J17, J18, J19, J20, J21, J24, J25, J26, J27, J31, J35 | 16 | J-7.5mm | Comment | J5, J6, J7, J8, J9, J10, J11, J28, J29, J30, J36 | 11 | J-10mm | Comment | J12, J13, J32, J33 | 4 | J-15mm | OMRON G2R-2 | K1, K2 | 2 | OMRON G2R-2 | 右声道扬声器 | P1 | 1 | WJ25C-B-4P 762 | IN put | P2 | 1 | WJ301V-5.00-3P | POWER IN | P3 | 1 | WJ2EDGRC-5.08-6P | S9014 | Q1 | 1 | VEBC | TIP41C | Q2 | 1 | to-126 | 4K7 | R1, R14 | 2 | R-1/4W | 270R | R2, R15 | 2 | R-1/4W | 1K | R3, R6, R7, R16, R19, R20, R28 | 7 | R-1/4W | 22K | R4, R17 | 2 | R-1/4W | 1M | R5, R18 | 2 | R-1/4W | 470K | R8, R10, R21, R23 | 4 | R-1/4W | 15K | R9, R22 | 2 | R-1/4W | 20K | R11 | 1 | R-1/4W | 30K | R12 | 1 | R-1/4W | 10K | R13, R24, R25, R26 | 4 | R-1/4W | 44.9K | R27 | 1 | R-1/4W |
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发表于 2019-9-25 14:19
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