This signal injector and tracer (follower) was found in an old American documentation. The transistors can be general use and power is made with one or two common cells.
This circuit consists of a traditional amplifier version with complementary output using BD series...
This continuity test was found in a 90s Electronic Engineering. Transistors are types of general...
This filter was found in Texas Instruments documentation from the 1980s. The circuit uses a common...