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一款USB2.0 HUB原理图和PCB源文件分享
( ~. ^% m# R, E用AD画的两层板,板子很简单,适合入门,有需要的可以看看。/ R5 `! H, ` u* r' A& P1 B
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层数:2层- l; V; N6 V3 h% l
用途:USB2.03 L2 A( `3 n$ [8 s& N
pcb作品截图如下:
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I+ b7 ?( \" l2 q& n$ k. ]BOM:2 E% P0 v+ t5 m8 m" |
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Comment | Designator | Quantity | Footprint | 104 | C37, C38, C39, C40, C41, C42, C43, C44, C45, C46, C47, C48, C49, C50, C51, C52, C53, C54, C55, C56, C57, C58, C59, C70 | 24 | 0805 | FE2.1 | C60 | 1 | QFP48 | USB | C61, C62, C63, C64, C65, C66, C67, C68 | 8 | USB-A | 103 | C69 | 1 | 0805 | 1000u | C71, C72 | 2 | RB.2/.5 | LED | D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30 | 15 | LED0805 | FUSE1 | F2 | 1 | 1206 | PHONEJACK | J2 | 1 | TJC3-3A | 1k | R15, R16 | 2 | 0805 | 330 | R17, R18, R19, R20, R21, R22, R23, R24 | 8 | 0805 | 47K | R25 | 1 | 0805 | 100k | R26, R27 | 2 | 0805 | 2.7k | R28 | 1 | 0805 | 12M | Y3 | 1 | HC-49U | AT24CXX | Y4 | 1 | DIP8 |
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