This circuit for controlling high power in the AC network was found in a Motorola documentation from 1968. SCRs can be modern equivalents according to the load power.
This circuit was found in a 1967 Raytheon manual. The transistors are from the time. Equivalent modern...
This circuit was published in a 1979 magazine, but it can still be easily assembled as the...
The circuit presented generates short pulses. This configuration was found in a publication from...