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 functions as a thermostat triggering a relay when the boil control temperature...
In the figure we have two circuits of limiters that provide the cut of the negative peaks of a...
This circuit uses a common multimeter on the voltage scale to measure the beta gain of a...