This circuit was found in an 80's Electronic Engineering. The power supply must be symmetrical. The no value components are calculated for the desired frequency.
We found this circuit in a 1989 publication. Its purpose is to produce noise in the VHF or UHF...
This short-range, medium-wave transmitter was found in a 1966 documentation. The transistors are...
This is the receiver circuit for the PFM (pulse rate modulation) transmitter of the previous...