Broadband Amplifier (CB21860E)

This circuit has a voltage gain of 30 times and passband of 14 MHz. The circuit is from the 1974 Ferranti transistor manual.

Crystal dipper and oscillator (CB23926E)
This circuit works both as a grid-dip (transistorized) and as an oscillator. The circuit is from a...
Rhythmic Light (CB16411E)
I found this simple basic circuit of rhythmic light in a 1980 documentation. We warn you to be...
Low impedance stage (CB20562E)
This low input impedance amplifier stage was found in a 1963 documentation. The circuit employs a...