Pink Noise Generator (CB5433E)

This circuit was found in a 1980s documentation. Modern general purpose transistors can be used. The output signal needs good amplification.

Three Phase Generator (CB1446E )
With this circuit it is possible to generate 3-phase rectangular signals from a clock signal. The...
Transistor AM Radio (CB1389E)
The coil of this receiver consists of 100 turns of wire 38 to 30 in a ferrite rod and the...
High Output Voltage Amplifier (CB6179E)
This circuit is from Mullard 1969 documentation. The circuit operates at a relatively high supply...