This circuit makes use of a specific 80's component and was found in an American manual of the time. A matrix keyboard allows you to select one of several music programs.
This useful power supply can provide voltages from 0 to 12 V with currents up to 2 A, set in...
This circuit is from the Philips integrated circuits manual of 1990. It is intended for magnetic...
Mouser Electronics owns the Littelfuse SP3422 low-capacitance TVS diode arrays. These components are...