This circuit was found in the February 1997 Electronics Now magazine. The circuit has a power supply for the NE602 and free inputs and outputs for projects.
This circuit is indicated to operate from high impedance sources as piezoelectric transducers....
We found this circuit in a Motorola publication from the 70s. The circuit can be implemented with...
This double bench source has a fixed voltage output and an adjustable voltage output with current up...