This shield circuit can be used in several applications that involve a feedback signal. The circuit is from American documentation from the 80s and the transistors are according to the loads driven.
This circuit was found in an American documentation from 1970. We can increase the number of...
This amplifier with the RCA CA3018 integrated circuit was found in the August 1970 issue of Radio...
This three-transistor circuit can control 3 V relays or servos from 17 MHz modulated transmitters. The...