This simple bridge circuit can be used for impedance or resistance measurement using a high impedance earphone as an indicator. The circuit is from an American 80's documentation.
This circuit consists of a charge pump with positive input and negative output. We find it in a...
May 2016 - It can be obtained from Mouser Electronics new connectors Ultra-Fit ™ series from Nikex for...
This basic circuit is from an old documentation. The relay must be 50 mA maximum and must have a...