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.
Found in a 90s Popular Electronics, this circuit is interspersed between the filter and the...
This is the simplest function that triggers the load if the level of the input signal is 1. In...
This non-inverting AC amplifier was found in the February 1990 issue of Radio Electronics...