17 V x 1.5 A Power Supply (CB985E)

This unregulated power supply can source 1.5 A to amplifiers and other circuits. The diodes must have a PIV of 50 V (minimum).

Polarity Converter (CB5289E)
This circuit was found in a 1976 NASA manual, making use of components of the time. The transistor...
Parametric Equalizer II (CB950E)
The circuit that gave rise to this configuration is from 1978. In the original publication are...
Universal Motor Control (CB1311E)
We find this circuit in documentation from the 1980s. The triac and diac are of conventional types...