This circuit was designed to work with the previous one in triggering a relay by the sounds picked up by the microphone. The circuit was found in 1980s Radio Electronics.
Microphone Preamplifier (CB7016E)
- Details
- Written by: Newton C. Braga
This circuit was designed to work with the previous one in triggering a relay by the sounds picked up by the microphone. The circuit was found in 1980s Radio Electronics.
