This bench circuit was found in the February 1998 issue of Electronics Now magazine. It can be used to obtain a very wide range of capacitances for testing.
This small transmitter with 2 transistors can reach several hundred meters using a 30 to 70 cm...
This circuit was found in a Modern Electronics from 1990. It activates an old electromechanical pulse counter,...
Although the integrated used originally is uncommon today, more modern operating equivalents can...