Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion
Patent
1987-08-24
1989-05-23
Shoop, Jr., William M.
Coded data generation or conversion
Analog to or from digital conversion
Analog to digital conversion
3647241, H03M 150
Patent
active
048334740
ABSTRACT:
An A/D converter apparatus comprises: a sampling signal generating means to generate an oversampling signal and an internal sampling signal; a converter means to convert an input analog signal into a digital signal in synchronism with the oversampling signal; and a decimator means to perform a specified decimation on the digital signal in synchronism with the internal sampling signal; whereby the sampling signal generating means maintains the frequencies of the oversampling signal and the internal sampling signal in a specified relationship.
REFERENCES:
patent: 4684925 (1987-08-01), Maruta
Ito Tsuneo
Kanagawa Masafumi
Nagai Kenji
Sato Mitsumasa
Yamashita Masayuki
Hitachi , Ltd.
Hitachi VLSI Engineering Corp.
Hoff Marc S.
Shoop Jr. William M.
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