This high voltage amplifier is based on Elantec components based on high voltage feedback. The supply voltage range is 50 to 230V symmetrical and the quiescent current is 56 mA.
This transmitter operates with a voltage of only 1.4 V, and can then be powered by a single...
Found in an Electronic Design of 1964 this circuit has a control for the frequency and another for the...
This old circuit, from the 80s, was found in American documentation. The circuit uses dual gate...