This triac circuit was found in the October 1987 Radio Electronics magazine. The triac is load-dependent and must be mounted on a heat sink.
This power control with SCR was found in Radio Electronics from April 1966. The components are...
We found this circuit in a documentation for radio amateurs from 1977. The circuit can be changed to...
We found this RF amplifier in documentation from the 1970s. Field effect transistors support...