This simple sensitive circuit was suggested in a July 1992 Radio Electronics issue. The relay is a double-contact changeover relay. Sensitivity adjustment is made at R2.
In the figure we have the circuit of a bistable using two relays. We found this circuit in an...
March 2017 - Texas Instruments is already making available through Mouser Electronics the LP5907 an...
This circuit for RF measurements at 200 MHz was found in no documentation two years 80. At a...