Found in a 90s Elektor, this circuit makes use of general-purpose transistors, except T4 that can be replaced by an equivalent.
Found in a 90s Popular Electronics, this circuit is intended for amplifying analog video signals....
This circuit was found in the October 1993 Electronics Now magazine. The circuit can be used in a...
This circuit from a 1978 American publication is used on vintage vehicles that still have contact...