Recommended by 90s a Radio Electronics, this unit uses a transformer with a 70 V x 5 A secondary, being indicated for powering amplifiers from 50 to 100 W.
This circuit is from a 1976 Motorola CMOS manual. It can be implemented with modern Darlingtons like...
The circuit presented is from a 1972 RCA technical documentation. The integrated circuit consists of a...
We found this transmitter circuit for different frequency ranges in a 1992 documentation. The...