Filter characteristic measuring method and system

Details Filter characteristic measuring method and system Filter characteristic measuring method and system

2003-12-15

2008-09-09

Le, John H (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Measured signal processing

C324S1540PB, C381S058000, C455S067110, C702S124000

Reexamination Certificate

active

07424406

ABSTRACT:
Described are a filter characteristic measuring method and system capable of measuring a gain of an analog filter adapted in a DUT (Device Under Test) and a frequency response at a high speed, wherein the filter characteristic measuring method includes the steps of generating an impulse signal; applying the impulse signal to the DUT having an analog filter through a digital channel; and measuring a gain of the analog filter in the DUT and a frequency characteristic by using an output of the analog filter.

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patent: 6687868 (2004-02-01), Furukawa et al.
patent: 2004/0108953 (2004-06-01), Chevalier et al.

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