Preamp with operational amplifiers
Testing chain:
Generator ang analyzator was using PC sound card E-MU 1212M, balanced-out, 5m long 3-wire cable for microphone, balanced-in
BACK
Noise level min.
Noise level max.
Generator 1kHz
Generator 10kHz (log)
Generator 10kHz (lin)
Generator 19kHz + 20kHz (log)
Generator 19kHz + 20kHz (lin)
