Found in National Semiconductor documentation from the 1990s, this circuit switches video signals to 75-ohm lines. The components are from the period.
This circuit uses old germanium transistors because it was found in an old magazine from 1973....
This logic level indicator also indicates the presence of pulsating signals through a third LED. It...
This circuit is from the 1990 Motorola Linear Databook, which can be developed with more modern...