Found in a 90s Elektor, this mixer makes use of integrated circuits of the time. The supply must be symmetrical at 15 V.
This circuit has several features, such as timing to activate and deactivate, in addition to a...
The 4528 is a dual-retriggerable monostable that needs only the timing network formed by R and C...
This circuit from a 1978 American publication is used on vintage vehicles that still have contact...