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Electret mic pre amp

Electret Microphone Pre-amp based NE5532

By Amplifier CircuitPosted on October 12, 2011December 24, 2011

The mic preamplifier described here is designed to connect a small electret microphone. The Electret microphone pre amp scheme is […]

Mic pre amp

Microphone Preamplifier based TLC251

By Amplifier CircuitPosted on October 12, 2011December 24, 2011

Mic Preamplifier described here is designed for dynamic type microphones, the impedance between 200 ohms and 1 ohm. Its uniqueness […]