Sequence component tester

Details Sequence component tester Sequence component tester

1976-03-19

1977-09-20

Rolinec, Rudolph V.

Electricity: measuring and testing

Plural, automatically sequential tests

324 57R, 324 62, 235153AC, 324 60C, G01R 1512

Patent

active

040500179

ABSTRACT:
A digitally controlled two legged bridge comprising a component under test and a reference resistor selected from a decade ladder as a function of the exponent of the value of the component under test. A drive signal, whose amplitude is a function of the significant digits of the value of the component under test, and a reference signal are connected to selected points on the bridge in the appropriate waveform as a function of the component under test. The output of the bridge is fed back to the drive signal to balance the bridge and is compared with acceptable percentage error levels, for the component under test.

REFERENCES:
patent: 3039050 (1962-06-01), Krohn
patent: 3139579 (1964-06-01), Gravel
patent: 3226637 (1965-12-01), Hempel
patent: 3319162 (1967-05-01), Sattinger et al.
patent: 3593126 (1971-07-01), May
patent: 3624495 (1971-11-01), Freund

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