Based on the BA1404 integrated circuit, this circuit was found in the July 1992 issue of Radio Electronics magazine. The circuit is short range, but a power amplifier stage can be used.
This circuit was obtained in the National Semiconductor Linear Applications Handbook of 1994. The...
This circuit was found in a Hands-On Electronics. Some restrictions must be considered as the need...
This circuit was found in a 1987 magazine. It measures the resistance of the skin using a...