This HeNe laser power supply was found in the March 1989 issue of Radio Electronics magazine. This power supply generated a few thousand volts for gas ignition.
Found in English documentation, this circuit uses a thermistor as a sensor. The trigger point is...
This 1.5 A circuit is from the LM117 manual. The LM350 can be used for higher current, and the...
This ultra-simple tester and component gauge lets you perform continuity testing and even evaluate...