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TRANSISTORS ARE IDENTIFIED | Up
Neets Module 07-Introduction to Solid-State Devices and Power Supplies | Next
MICROELECTRONICS |
2-51
A TRANSISTOR GAIN TEST can be made using an ohmmeter and a simple test circuit. The
principle behind this test lies in the fact that little or no current will flow in a transistor between emitter
and collector until the emitter-base junction is forward biased.
A 10-to-1 resistance ratio in the test between meter readings indicates normal gain.
TRANSISTOR JUNCTION RESISTANCE TEST can also be made using an ohmmeter by
measuring the base-emitter, base-collector, and collector-emitter forward and reverse resistances.
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