Wattmeter (T1351E)

This circuit is from a February 1949 Radio Electronics magazine. The circuit uses 3 tubes and includes the power supply.

40m Band CW transmitter (CB17666E)
This circuit, found in a 2008 documentation, is intended for operation by radio amateurs in the 7...
Stereo FM Transmitter (CB16538E)
This small FM transmitter for short distances has a stereo multiplexer and can be used over an...
15V symmetric power supply (CB21188E)
This circuit was found in a Radio Electronics from the 90's. The maximum current is 1 A. | Clique...