The two circuits shown show how to obtain an SSB / CW control for receiving this signal top at a common receiver. The circuits were found in an old American manual from the 80's.
The circuit shown allows the test of common silicon diodes. The characteristic curve of the...
Devices Feature Open Immobilizer Protocol for Interoperability and Low Frequency Vector Techniques for...
This circuit was found in and old documentation of 1958 and uses complementary germanium...