A/D CONVERTER INSPECTION APPARATUS AND A/D CONVERTER INSPECTION METHOD

A/D CONVERTER INSPECTION APPARATUS AND A/D CONVERTER INSPECTION METHOD

PROBLEM TO BE SOLVED: To execute an entire inspection of an entire A/D converter and a partial inspection of the A/D converter.SOLUTION: An A/D converter inspection apparatus includes: a signal output section 22 for outputting an inspectional analog signal Ste and an inspectional digital signal Dte...

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1. Verfasser: KOIKE SHINICHI
Format: Patent
Sprache:eng
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BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRICITY
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator KOIKE SHINICHI
description PROBLEM TO BE SOLVED: To execute an entire inspection of an entire A/D converter and a partial inspection of the A/D converter.SOLUTION: An A/D converter inspection apparatus includes: a signal output section 22 for outputting an inspectional analog signal Ste and an inspectional digital signal Dte (inspectional signals); and a processing section 24 for executing an entire inspection process of computing a characteristic value Dcha1 (overflow occurrence frequency and noise floor level) of an entire A/D converter 1 on the basis of a digital signal D2 (inspection output signal) output from a digital filter section 4 upon the input of the inspectional analog signal Ste to an analog signal adjustment section 2, and inspecting the entire A/D converter 1 on the basis of the computed characteristic value Dcha1, and a partial inspection process of inspecting one component (one of analog signal adjustment section 2, modulation section 3 and digital filter section 4) on the basis of an inspection output signal that is a signal output from the one component upon the input of the inspectional signals to the one component.
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subjects BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRICITY
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title A/D CONVERTER INSPECTION APPARATUS AND A/D CONVERTER INSPECTION METHOD
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