This old version of analogue switch was found in a 1969 documentation. Components of the time are used, with emphasis on the CAG7 integrated circuit. It is worth as a reference.
The FAN1117A and FAN1117A-5 integrated circuits from Fairchild consist of fixed and adjustable...
This circuit was found on an 80's Ham Radio. The transistor admits equivalent. The circuit can...
This sensitive receiver with earphone was found in an English documentation from 1963. The...