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.
Using two common operationals, such as 741, this circuit serves as a medium control in an...
May 2016 - It can be obtained from Mouser Electronics new display 1092 from VDC. The new LED...
This Motorola circuit uses only one transistor. The circuit is from 1965 documentation. The...