This 80's circuit uses an audio amplifier to obtain a symmetrical source from a single source. The maximum current is on the order of 1.3 A and the input voltage must not exceed 20 V.
This relay circuit with a dual channel MOSFET (not very common today) was found in an old American...
April 2017 - Mouser Electronics owns standard Qi wireless charging coils for a power range of up...
This circuit was found the Optoelectronics Sourcebook by Texas Instruments. Any phototransistor...