Found in National Semiconductor documentation from the 1990s, this circuit switches video signals to 75-ohm lines. The components are from the period.
This commercial circuit, sold under the designation H531 in Japan in the 1960s, used three...
This circuit is from the manual of the components used, from the 80s. The circuit is valid for...
Found in a 1980s American documentation, this circuit appears with variations elsewhere in this...