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License: Public Domain
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Update time：
2021-12-19 01:14:05
Creation time：
2021-12-13 21:13:39
Description
Switching circuit for audio channels before pre-amp with relays and 40174 CMOS hex D-type flip flop circuit with 5 buttons and channels (6 max). Including 7812 12V stabilizer.
Copyright of Elliot Sound Products, source https://sound-au.com/project163.htm
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 100nF | C1,C2,C3,C4,C5 | C0805 | 5 |
| 2 | 22nF | C6 | C0805 | 1 |
| 3 | 10uF | C7,C8,C9 | CAP-TH_BD5.0-P2.00-D0.8-FD | 3 |
| 4 | CD4148WP | D1,D2,D3,D4,D5 | D1206-RD | 5 |
| 5 | PSH02-02P | K11,K12,K13,K14,K15,K16,LED1,LED2,LED3,LED4,LED5 | PSH02-02P | 11 |
| 6 | PSH02-03P | K31,K32,K33,K34,K35,K36 | PSH02-03P | 6 |
| 7 | 100K | R1,R2,R3,R4,R5,R6 | R0805 | 6 |
| 8 | 10K | R7,R8 | R0805 | 2 |
| 9 | 330Ω | R11,R12,R13,R14,R15 | RES-TH_BD2.3-L6.5-P10.50-D0.5 | 5 |
| 10 | G5V-2-12V | RELAY1,RELAY2,RELAY3,RELAY4,RELAY5 | RELAY-TH_G5V-2-12V | 5 |
| 11 | CD40174BE | U1 | DIP-16_L19.8-W6.5-P2.54-LS7.6-BL | 1 |
| 12 | L7812ABV | U2 | TO-220-3_L10.0-W4.5-P2.54-L | 1 |
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