Automatic transistor checker

Details Automatic transistor checker Automatic transistor checker

1994-02-14

1995-05-09

Wieder, Kenenth A.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

324 731, 3241581, G01R 104

Patent

active

054143730

ABSTRACT:
An automatic transistor checking method is provided, whereby an unknown, bipolar transistor may be typed, pinned and checked for forward DC gain, H.sub.fe. The method is suitable for portable instruments, because the method uses little battery current to perform the H.sub.fe measurement. The method automatically determines transistor type (NPN or PNP) and pinout, making it suitable for quick checking of batches of unknown devices.

REFERENCES:
patent: 5355082 (1994-10-01), Schreiber et al.

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