This continuity test was found in a 90s Electronic Engineering. Transistors are types of general use of the time with equivalents such as BC548 and BC558.
The gain of this amplifier is 10 times and the excursion to the output voltage is 6.0 V (peak to...
Originally, this 2000 documentation circuit was created to operate as a sensor for the parallel...
This high sensitivity circuit was found in the July 1992 Radio Electronics magazine. The circuit...