This circuit is designed to control static loads fed by direct voltage. The circuit is from Motorola documentation from 1968. Equivalent SCRs may be used depending on the load.
This circuit was obtained from HAM Radio magazine in an 80's issue. The FETs are types of the time...
This circuit generates noise pulses for audio equipment probes. The circuit is from a 90’s 303...
This circuit was found in a 1970s General Electric documentation. This circuit already used an...