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.
This switched amplifier or PWM was obtained from a 1972 RCA technical documentation, using...
This circuit is from a 1977 National Semiconductor integrated circuits manual. The circuit admits...
Originally this circuit was designed to operate with microcomputers from 1988, but it can be...