This circuit is designed to measure very weak currents, in the order of picoamperes. We found it in an American documentation from the 80s. The integrated circuit is from that time.
Placed near a telegraphic transmitter (CW) and with a small antenna or pickup, it reproduces the...
Mouser Electronics is making available the Texas Instruments DRV401 Q1 integrated circuit, a...
Found in a 90s nHands On Electronics, this circuit triggers a relay that shuts off the load when...