This commercial receiver from the year 1958 uses two AA cells as Power supply. The circuit is intend to receive MW station and the transistors are germanium types not easy to find today.
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...