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.
This is the power supply indicated for the amplifier shown in CB18865E. The circuit uses...
Based on an operational of the time, this Popular Electronics circuit can be designed with any...
The circuit shown in Figure bellow generates frequencies of 50 Hz, 100 Hz, and 200 Hz. The circuit uses a...