This circuit is indicated for supplying the CB17495E transmitter. The BD135 must have a small heat radiator and the zener may eventually have a higher voltage.
The component used, which is not common today, is an electronic attenuator. In this application of the...
Found in Analog Devices documentation, this circuit uses components from the time. Formulas for...
This circuit was found in a Radio Electronics magazine from October 1987. It can be used as a...