The circuit presented uses two common transistors and is powered by the circuit being tested. The circuit is for TTL logic, since its supply is 5 V.
For an 8 ohm load, this Motorola circuit was found in a 1968 documentation. The transistors are of the time...
This signal injector and tracer (follower) was found in an old American documentation. The...
January 2017 - Mouser Electronics is supplying Ametherm's new glass encapsulation thermistors for...