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.

Transistor Intercom (CB1382E )
n be assembled with BC558 transistors for low power transistors and a BD136 for the output. The...
Variable Capacitance Multiplier (CB14130E)
We found this circuit in the 1994 Linear Applications Handbook from National Semiconductor. The...
Binary Watch (CB17669E)
It is an ideal assembly to be implemented as work by students of digital electronics courses, as...