This circuit was obtained from a 1967 General Electric manual. The circuit makes use of absolutely current components. Similar versions from other sources can be found in this section.
Based on the LF256 operational amplifier, this circuit was found in the September 1989 issue of...
We find this circuit in a 1980s documentation. The circuit can be applied to modern operators with...
January 2017 - New ROHM TFZV series of zener diodes is now available from Mouser Electronics. The...