Apparatus and method for performing amplitude calibration in an

Details Apparatus and method for performing amplitude calibration in an Apparatus and method for performing amplitude calibration in an

1996-12-05

1999-07-27

Nguyen, Vinh P.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324 731, G01R 3128

Patent

active

059296283

ABSTRACT:
An electronic circuit tester, having an amplitude calibration feature, for accurately measuring signals produced by an electronic device under test, including a plurality of channels, data acquisition circuitry, an internal calibration source, and a digital filter. The internal calibration source is calibrated to a known standard. The tester then uses the internal calibration source to measure a signal amplitude error introduced by the channels and data acquisition circuitry. Next, the digital filter is automatically adjusted to correct the signal amplitude error, thereby presenting corrected data samples to a test computer for subsequent analysis.

REFERENCES:
patent: 4703448 (1987-10-01), Muething, Jr.
patent: 5184062 (1993-02-01), Ladwig
patent: 5548538 (1996-08-01), Grace et al.
patent: 5572160 (1996-11-01), Wadell
patent: 5604751 (1997-02-01), Panis
patent: 5673272 (1997-09-01), Proskauer et al.

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