Virtually any FET can be used on this voltmeter found in old documentation. The indicator is a microamper meter 0-100 uA and the accuracy of the circuit depends on the accuracy of the resistors used.
We found this circuit with several types of sensors in a 1995 documentation. The circuit also has...
The A3906 integrated circuit from Allegro MicroSystems (www.allegro.com) consists of a single-step motor...
This antenna or booster amplifier operates with signals from the midband (MW) range up to the VHF...