This circuit uses an unusual sensor nowadays, but the configuration can be adapted to more modern types, as well as the operational amplifier. The circuit is from an 80's documentation.
This circuit can be used in bridge of sensitive measures. We found it in a documentation from the...
This interface was found in a Modern Electronics magazine from 1990. Although the circuit is...
Found in an old American documentation, this step has as input and output transformers coupling. Two...