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Electret Microphone Amplifiers

4 years ago 1900
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Description

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Electrect Pre Amplifier

Electret Amplifier with TDA2822M

BOM

ID Name Designator Footprint Quantity
1 Electret M1 9.7ELECTRET 1
2 2k2 R1,R5 R3 2
3 100k R2,R6 TRIM_POT_PTH 2
4 100nF C1,C2,C3,C6 C1 4
5 2M2 R3,R7 R3 2
6 22k R4,R8 R3 2
7 BC547 Q1 TO92 1
8 OUT P1 HDR1X1 1
9 TDA2822M IC 1 NONE 1
10 10uF C1,C4 CP_8X13MM 2
11 4.7 R1,R2 R3 2
12 10nF C5 C1 1
13 AUDIO OUT P1,P2 HDR1X1 2
14 11k R3 R3 1

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