Common collector stage (CB22226E)

This circuit employs an old germanium transistor. The circuit is from a 1950s publication and uses RC coupling.

Motor Control (CB21355E)
Found in an English publication, this control is intended for 220 V mains powered motors. However, it...
Broadband Amplifier (CB21856E)
This circuit was taken from the 1974 Ferranti transistor manual. Transistors are common types at...
A bench power supply with many voltages (CB24717E)
For someone who wants to take advantage of a double transformer in a good power supply, we found...