The gain of this amplifier is given by the components indicated in the formulas next to the diagram. The power supply must be symmetrical and equivalent operational amplifiers can be used.
This circuit was found in a 1974 publication. It provides a tone indication of the temperature sensed by...
This is a simple rheostat circuit for motor control that works with voltages from 6 to 12 V. The...
This circuit with TTL compatible output was found in a 1968 US documentation. The circuit is...