Suggested by Motorola in 1968 documentation, this circuit has an efficiency of 70%. Power transistors are types of the time as are transformers.
This circuit is indicated for supplying the CB17495E transmitter. The BD135 must have a small heat...
April 2017 - Mouser Electronics already has in stock the new HMC8400, Analog Devices low noise...
The frequency of the signal that this circuit passes through depends on the voltage set in RV1....