We found this circuit in the September 1995 issue of Electronics Now magazine. The circuit has 6 scales for resistance measurements and uses an analog indicator from 50 uA to 1 mA.
This circuit was found in an ancient American documentation. The transformer is the type used in...
This circuit generates two pulses per cycle of alternating voltage for full wave control. The...
To increase the control capacity of the CA3140, an amplifier circuit can be used, as shown in the...