SKEMA RANGKAIAN AMPLIFIER

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Showing posts with label audio mic amplifier. Show all posts
Showing posts with label audio mic amplifier. Show all posts

Wednesday, June 8, 2011

Pre Amp Mic

variable resistor of R5 to adjust the gain of op-amplifier IC LM358.
The LM358 has two op-amp module, you may build stereo audio pre-amplifier using single LM358.

Component list of simple preamp mic circuit:
R1, R3, R4 : 10K
R2         : 1K
R5         : 100K-1M Potensiometer
C1         : 0.1uF
C2         : 4.7uF/16V
IC1        : LM358 dual op-amplifier
Mic        : Electret Microphone

sumber skema-amplifier.blogspot.com
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