Product Detector (CB22036E)

Intended for SSB and CW reception, this circuit was found in old English documentation. The transistor can be any general purpose JFET.

Fast peak detector (CB20893E)
This circuit was found in a National Semiconductor manual from the 1980s. The integrated circuits used...
Unijunction transistor sequential timer (CB21400E)
This circuit was found in Motorola documentation from 1968. Transistors can be modern equivalents, just...
Relay Control (CB21358E)
This circuit was obtained from an English documentation, with the purpose of carrying out the...