This configuration can be implemented with equivalent operations. The circuit is from the 1990 Motorola Linear Databook. The voltage gain is 100 times.
The integrated circuit used in this 1987 project is not very common these days. However, if found...
We find this circuit in a Popular Electronics of the 90s. The circuit is passive and the coils...
Small variations in the resistance of the subject's skin holding the test leads are detected by...