We found this circuit in the magazine Eletcronics Now of July 1994. The power supply is according to the relay and the transistor can be any general purpose one.
Found in a 1980s documentation, this amplifier features high common mode rejection. The operating...
STMIcroelectronics automotive L9907 FET drivers can be purchased from Mouser Electronics. These...
The purpose of this circuit is to increase the sensitivity of a common multimeter in its voltage...