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recommended
Pro Edition
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The process supports design scales of 300
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STD BB Preamp
BB Preamp
License
Public Domain
License: Public DomainMode:
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Update time：
2023-10-01 10:52:36
Creation time：
2022-02-20 10:58:43
Description
Description
BB Preamp
Design Drawing
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity | |
|---|---|---|---|---|---|
| 1 | + | 9V+ | 2 PIN | 1 | |
| 2 | B50K | BASS,TREB | SWITCH JUMPER 1 | 2 | |
| 3 | 10uF | C13,C19,C28,C29 | CAP-D3.0XF1.5 | 4 | |
| 4 | 22n | C20 | RAD-0.2 | 1 | |
| 5 | 100n | C21,C22 | RAD-0.2 | 2 | |
| 6 | 1uF | C23 | RAD-0.2 | 1 | |
| 7 | 220n | C24,C32 | RAD-0.2 | 2 | |
| 8 | 33n | C25,C26 | RAD-0.2 | 2 | |
| 9 | 51pf | C27 | RAD-0.2 | 1 | |
| 10 | 151pf | C30 | RAD-0.2 | 1 | |
| 11 | 47n | C31 | RAD-0.2 | 1 | |
| 12 | 4n7 | C33,C34 | RAD-0.2 | 2 | |
| 13 | 1N4448 | D5,D6 | DO-35 | 2 | |
| 14 | 1MB | GAIN | SWITCH JUMPER 1 | 1 | |
| 15 | POWER | GND | 2 PIN | 1 | |
| 16 | Jack off board | IN,OUT | HDR-2X1/2.54 | 2 | |
| 17 | 2N5088 | Q3,Q4 | TO-92(TO-92-3) | 2 | |
| 18 | 10k | R13,R14,R27,R30,R36,R40,R42,R46,R48 | AXIAL-0.3 | 9 | |
| 19 | 470k | R29,R31 | AXIAL-0.3 | 2 | |
| 20 | 1k | R32,R33,R37,R45 | AXIAL-0.3 | 4 | |
| 21 | 4k7 | R34,R35,R47 | AXIAL-0.3 | 3 | |
| 22 | 1M | R38 | AXIAL-0.3 | 1 | |
| 23 | 47R | R39 | AXIAL-0.3 | 1 | |
| 24 | 33k | R41 | AXIAL-0.3 | 1 | |
| 25 | 100k | R43 | AXIAL-0.3 | 1 | |
| 26 | 19k | R44 | AXIAL-0.3 | 1 | |
| 27 | 47k | R49 | AXIAL-0.3 | 1 | |
| 28 | 220R | R50 | AXIAL-0.3 | 1 | |
| 29 | 100KB | VOL | SWITCH JUMPER 1 | 1 | |
| 30 | 4558B | U1 | PDIP-8_L10.2-W5.9-P2.54-LS7.6-BL | 1 | Extended Part |
| 31 | TL072 | U2 | PDIP-8_L10.2-W5.9-P2.54-LS7.6-BL | 1 | Extended Part |
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