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 |

Low Power Push Pull Amplifier (CB19574E)
This stage of low power audio amplification was very common in devices powered by the 60's and...
Voltage Controlled Oscillator (CB4221E)
This circuit includes the amplifier for the signals, being fully transistorized and using varicap...
Turntable Circuit (CB24357E)
This is the circuit of a turntable from the 1970s. We found it in a repair article in the December...