|
This circuit will is useful if you have a microphone or a device that
produces a low audio level and you want to connect it to a stereo or something. This circuit will boost it's output
level.
| Component |
Value
|
Qty
|
|
Resistor [ R1 , R3 , R4 ]
|
10 K
|
03
|
|
Resistor [ R2 ]
|
1 K
|
01
|
|
Resistor [ R5 ]
|
100K to 1M Pot
|
01
|
|
Capacitor [ C1 ]
|
0.1 uF
|
01
|
|
Capacitor [ C2 ]
|
4.7 uF
|
01
|
|
IC
|
LM358
|
01
|
|
Microphone
|
Electret
|
01
|
Reference : " Zeus Electronics "
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|
Last
Updated : September 17, 2001