Simple 1-tube receiver (T960E)

This 1V heater tube circuit was found on a Radio Craft from 1945. The circuit is for medium wave and can be used as a tuner.

Operational Pulse Generator 1 (CB14830E)
We found this circuit in a French technical documentation from 1982. The circuit can be...
Magnetic Phonocaptor Preamplfier (CB15818E)
This circuit, suitable for record players with magnetic phonocaptors (pickups), has RIAA...
Wireless Alarm Transmitter (CB25208E)
We found this circuit in the May 1989 issue of Radio Electronics magazine. The circuit uses...