This circuit is intended to trigger SCRs on the positive half cycle for solenoid control. The circuit is from the 1967 General Electric SCR Manual.
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...