This circuit was found in an old Electronic Design. It makes use of sidacs and operational not very common today. The power supply must be symmetrical.
We found this circuit in Motorola's 1993 Linear Interface ICs. The power supply does not have to...
This circuit can be used as shield or to drive powerful loads from low current switches such as...
This circuit can be used in instrumentation to obtain a very high input impedance for measurement of...