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* _2 |. a* Z, H" y' Z Z1 }[AD 10][2层]PCM2702声卡(LM337+OP275+PCM2702)原理图和PCB文件$ a7 E5 L7 k3 n& i9 o4 B, V. r
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文件描述
. p9 K: g3 P) L% H1. 作品用途:PCM2702声卡7 M6 H; y% H# s# \: d/ n
2. 软件版本:AD 10
) c# I3 n2 V( H: ^3. 层数:2层板
K0 J! b: ?5 m5 S& q4. 用到的主要芯片:LM337+OP275+PCM2702! D4 i" a% ?: s3 W& S- _6 `
5. PCB尺寸:129*76 mm! V' L2 v8 w( r. W' r0 c
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作品截图如下:! f+ S( v7 h! c, s1 I+ B+ B! T7 r
6 Y8 G# R+ L! ^2 e- s) V- D( N全层截图:
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/ R( }7 t& h6 B3 T叠层信息截图如下:3 E- H- a3 r7 W& e
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BOM:
+ Z! z7 @' B, V4 {/ sComment(属性) | Designator(位号) | Footprint(封装) | Quantity(数量) | Comment | 1K5, 1K5, 1K5, 1K5, 1K5, 1K8, 1K8, 1K8, 1K8, 1K8, 1K8, 1M, 3K3, 3K3, 22R, 22R, 22R, 180, 180, 180, BEAD | 1/4wa | 21 | Comment | 3V3, 5V | SOT-223 | 2 | Comment | 10u | CP-2.5-5A | 3 | Comment | 12M | XIAL | 1 | Comment | 15p, 15p, AC6V | SIP-2P | 3 | Comment | 100u | CP-2.5-5 | 6 | Comment | 100u | CP-2.5-5B | 1 | Comment | 100u | CP-5-10A | 1 | Comment | 102, 102, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 331, 331 | C-200mil | 23 | Comment | 2200u | CP-5-10 | 3 | Comment | AC12*2 | SIP-3P | 1 | Comment | D | DO35 | 8 | Out | HEADPHONE | CKX-3.5-05 | 1 | Comment | LED | LED | 1 | Comment | LM317, LM337 | TO-220-UP | 2 | Comment | MT1, MT2, MT3, MT4 | mt | 4 | Comment | OP275 | DIP8 | 2 | Comment | PCM2702 | ssop-28 | 1 | IN | USB | USBA | 1 | 附件:" e# w: M; A% R b; c; o
原理图和PCB文件如下:5 l6 a7 b" n& x2 `( e3 U! J( `6 W) ?) g
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