This 80's Exar circuit has a carrier detector for frequencies up to 500 kHz. The circuit uses a company 567 which is still a common component.
This is the traditional configuration of a 6 or 12 V source with 7806 or 7812 integrated circuits, for a...
Found in an Electronic Design from the 90s, this circuit uses high voltage operationals of the...
This reaper or signal limiter can be used to convert a sinusoidal signal into a square. The...