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, found in an English publication in 1982, has an inverted sequential effect, as the...
This transistor circuit was only found in documentation from the 1960s. The original transistor is made of...
The circuit shown consists of a bilateral constant current source with an operational one that...