This circuit converts a constant input current intensity into a voltage given by Vo = -R x I. T1 must be equal to R. The operational admits equivalent.
This blocking oscillator circuit was found in a book by Rufus Turner from 1954. The circuit uses...
This is a configuration much explored by assemblers, being found on this site in dozens of similar...
This circuit is from a June 1992 Radio Electronics. The circuit is for 4.5 MHz signals from old...