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STD 5532 Mic level to line-level
5532 Mic level to line-level
License
Public Domain
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Update time：
2022-10-16 07:16:31
Creation time：
2022-10-14 10:17:51
Description
Description
A preamp which convert mic level to line level trough 3 stage of amplification, 10x gain each. Total gain is intended to be 1000X
Design Drawing
Design Drawing
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| ID | Name | Designator | Footprint | Quantity | BOM_Manufacturer Part |
|---|---|---|---|---|---|
| 1 | 100uf | C3 | CAP-TH_L7.2-W5.0-P5.00-D1.0 | 1 | C242E104J20A201 |
| 2 | PS | CN3 | CONN-TH_3P-P2.50_3PIN | 1 | 3PIN白色直针插座 |
| 3 | electret mic 3 pin | MIC1,MIC2 | ELECTRET-6MM-MIC | 2 | x |
| 4 | 10k | R1,R2,R5,R6,R12 | RES-TH_BD2.5-L7.0-P11.00-D0.6 | 5 | OD225JE |
| 5 | 1M | R3,R4 | RES-TH_BD2.5-L7.0-P11.00-D0.6 | 2 | OD225JE |
| 6 | 1k | R7,R8,R10,R11 | RES-TH_BD2.5-L7.0-P11.00-D0.6 | 4 | OD225JE |
| 7 | ? | R9,R13 | RES-TH_BD2.5-L7.0-P11.00-D0.6 | 2 | OD225JE |
| 8 | OUT | U15 | HDR-TH_2P-P2.54-V-M-1 | 1 | Jumper2 |
| 9 | 9k | TR1 | POTENTIOMETER_ALPS_R9K07_DOUBLE_HORIZONTAL | 1 | RK09712200MT |
| 10 | TL072 | U3 | DIP-8_L9.7-W6.5-P2.54-LS7.6-BL | 1 | NE5532N |
| 11 | NE5532N | U13 | DIP-8_L9.7-W6.5-P2.54-LS7.6-BL | 1 | NE5532N |
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