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STD low noise electret conderser microphone amplifier
License: Public Domain
Mode: Editors' pick
- 0
Update time：
2021-01-01 17:58:17
Creation time：
2020-11-02 06:54:34
Description
in this circuit i have used NE5532 LOW noise op amp Ic i have used this ic in inverting amplifier configuration with gain 21.27 and high pass filter cut off frequency is 3.604Hz and low pass filter with 15.923KHz cut off frequency
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | ELECTRET | Q1 | 9.7ELECTRET | 1 |
| 2 | 10k | R1,R2 | R0603 | 2 |
| 3 | 1M | R3 | R0603 | 1 |
| 4 | 47K | R4 | R0603 | 1 |
| 5 | 1k | R5 | R0603 | 1 |
| 6 | 470nf | C1,C2 | C0603 | 2 |
| 7 | 10pf | C3 | C0603 | 1 |
| 8 | NE5532 | U1 | DIP08 | 1 |
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