Two-tube regenerative receiver (T1595E)

This circuit is from a Radio Electronics from 1949. The circuit is battery powered and has high impedance listening.

Benchtop Bargraph (CB25827E)
Using the LM3914, this circuit is suitable for benchtop experiments. It was found in the March 1995...
Tester with FET (CB13783E)
This very sensitive circuit works almost like an electroscope. The FET can be the BF245 and it...
Transistorized radio (CB22219E)
This 50's receiver includes an amplifier stage with a transistor complementary to the CK722, in...