This circuit was obtained from the November 1989 issue of Radio Electronics magazine. The circuit is for motors up to about 1.5 A.
This amplifier with differential input uses two old op amps but can be implemented with modern op amps....
This power supply was found in the December 1970 issue of Radio Electronics magazine. The...
This circuit is a wireless temperature transmitter for RF signals in the range of 0.2 to 2 MHz...