This circuit was found in an ancient American documentation. With it is possible to double the frequency of a transmitter For the range of 6 meters obtaining 8 W. The circuit makes use of varicap.
June 2017 - Mouser Electronics already has the new Vishay DG series analog switches in stock. The...
Found in a 1975 radio amateur publication, this simple oscillator is for code practice. The PNP...
This circuit was found the Optoelectronics Sourcebook by Texas Instruments. Any phototransistor...