Found in a 1993 Electronics Experimenter Handbook, this circuit uses a multimeter to measure capacitance. The circuit is powered by 12 V.
This is a voltmeter with high input resistance. The transistor is germanium. We found it in an...
Found in old American documentation, the components used are still common. The circuit directly...
This circuit was found in an Electronics World magazine from 1990. The circuit can be mounted...