10 kHz Oscillator (CB21830E)

This circuit was found in a 1974 Ferranti transistor manual. The frequency is given by the capacitors, which can be changed.

Q Variator (CB7369E)
With this circuit found in an American documentation from 1969 it is possible to vary the...
Digital Voltage Reference (CB24682E)
The reference voltage for this circuit can be selected digitally. The circuit is from Radio...
860 W Precision Dimmer (CB20712E)
This circuit was found in an old factory documentation. The circuit uses single-junction...