Testing apparatus

Details Testing apparatus Testing apparatus

2006-03-23

2008-03-11

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Converter calibration or testing

Reexamination Certificate

active

07342523

ABSTRACT:
To provide a testing apparatus having a function of testing a D/A converter and so forth with a reduced testing time. The testing apparatus tests a converter having functionality of converting an input signal and outputting the signal thus converted. The testing apparatus comprises: a pattern generator which generates an input signal having a predetermined cycle; a clock generator which generates a measurement clock having a predetermined cycle; a measurement unit which receives the measurement clock, and sequentially measures the values of the output signal, synchronously with the measurement clock; and a storage unit which stores, at different corresponding addresses, the values thus sequentially measured by the measurement unit.

REFERENCES:
patent: 4758781 (1988-07-01), Ueno et al.
patent: 6377902 (2002-04-01), Eckert
patent: 6513138 (2003-01-01), Ohsawa

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