Low Noise Hi-End Electret Microphone Pre-Amplifier

16/08/2016 RAJ SHARMA Leave a comment

LOW NOISE HI-END ELECTRET MIKE PRE-AMPLIFIER (1)

The single supply microphone pre-amplifier amplifies the output signal of an electret capsule microphone to audio line levels. An op amp is used as a trans-impedance amplifier to convert the output current from the microphone in to a signal level voltage. The circuit works with 9V so it is good choice for battery operated systems.

Features

Supply 9V DC
Current Approx. 3mA
On Board Microphone
Very thin and narrow PCB

LOW NOISE HI-END ELECTRET MIKE PRE-AMPLIFIER (3)

LOW NOISE HI-END ELECTRET MIKE PRE-AMPLIFIER (1)

LOW NOISE HI-END ELECTRET MIKE PRE-AMPLIFIER (2)

A065D

Audio

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Low Noise Hi-End Electret Microphone Pre-Amplifier

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