This high-sensitivity circuit was found in a 1980s documentation. The source can be a 9 V battery with a splitter to make it symmetrical. The shock can be 200 uH or more.
This 1968´s amplifier uses a JFET at the input to increase the impedance. Voltage gain is high,...
This circuit is from a 1980s documentation featuring two time constants for sound decoding. The...
June 2017 - Mouser Electronics already has to ship the new MC Crystal Real Time Crystal Modules...