transistorized differential amplifier (CB25639E)

This circuit uses matched transistors. The circuit is from Electronics Now magazine and has a balance adjustment.

| Clique na imagem para ampliar |

WWV Converter (CB7324E)
WWV is the prefix for the United States' time and frequency patterns station. These signals can be used...
Remote volume control (CB23927E)
This wired control circuit serves both volume and balance between channels. We found it in Radio...
555 Audio Oscillator (CB220E)
This circuit produces a loud audio tone by a small loudspeaker. Power supply voltage ranges from 5...