This resistance meter circuit was found in the February 1984 issue of Radio Electronics magazine. It is based on a digital module from that time. The power supply is 5 V.
This circuit, which can be used as a shield, has its time determined by RA and C connected at the...
This circuit was found in a Linear Technology documentation from the 90's. The integrated circuits are...
The basis of this circuit is a National Semiconductor operational amplifier that functions as a...