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.
Author: Newton C. Braga Published:Aug, 2016 Formato:Book and e-Book Pages:...
This circuit is from an Italian magazine Radio Elettronica of January 1977. The circuit shows how...
The purpose of this 2002 circuit is to monitor the functioning of ordinary incandescent lamps. These...