This circuit was obtained from an Electronics Design of 1964. The circuit makes use of tunnel diodes that are uncommon today. The circuit works with very weak signals.
This circuit, found in a 2008 documentation, is intended for operation by radio amateurs in the 7...
This small FM transmitter for short distances has a stereo multiplexer and can be used over an...
This circuit was found in a Radio Electronics from the 90's. The maximum current is 1 A. | Clique...