This high-power circuit was found in July 1986, Radio Electronics magazine, requiring a high-current source. Equivalent MOSFETs can be tested
The A3906 integrated circuit from Allegro MicroSystems (www.allegro.com) consists of a single-step motor...
We found this circuit in a 1980s publication on telephony. The circuit uses an integrated...
This circuit can use a pendulum sensor. We found this configuration in a 1994 publication. The...