The mic pre amp described here is designed to connect a small electret microphone and uses an integrated circuit type […]
Tag: microphone pre amp
Preamp for Speakers as a Microphone 2
The previous Preamp for the speakers as a microphone installation is indeed simple, but has virtually no gain. It is quite possible to add a second transistor to fill the gap, as […]
Preamp for Speaker as a Microphone
This Microphone Preamp circuit shows that it is possible to use the speaker as a microphone, and is specifically designed […]
Microphone Preamplifier based TLC251
Mic Preamplifier described here is designed for dynamic type microphones, the impedance between 200 ohms and 1 ohm. Its uniqueness […]
Simple Microphone Pre-amp
This Simple preamplifier circuit provides sufficient gain to weak audio signals from the microphone. This circuit can also be supplied […]
Recent Comments