Using a pair of period A/D converters, this 3-digit circuit was found in the 1992 Radio Electronics Experimenter magazine. The sensor is a thermistor.
This VCA was found in the July 1988 issue of Radio Electronics magazine. It uses an OTA op amp and...
This configurable CMOS configuration for frequencies up to a few megahertz was obtained in an...
The purpose of this 2005 circuit is to demonstrate in a very simple way the principle of operation of a...