We found this bridge circuit in Electronics Now magazine from September 1995. The instrument can be from 50 uA to 1 mA. The trimpot value depends on this instrument.
This complex circuit with many digital components measures inductances in 6 ranges ranging from 100...
This immobilizer circuit for vehicles was found in a 80’s Hands On Electronics. The circuit...
This is the power supply indicated for the previous circuit (CB18905E) providing a voltage of 24 V...