Oversampling A/D converter

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United States of America Patent

PATENT NO 8963753
APP PUB NO 20130249718A1
SERIAL NO

13898420

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Abstract

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An oversampling A/D converter includes a first filter including a first resistive element, a first capacitive element, a second resistive element, an operational amplifier, and a second capacitive element; a second filter receiving an output of the first filter; a third filter including a third resistive element, a third capacitive element, and a fourth resistive element; a quantizer receiving an output of the third filter and generating a digital signal; and a D/A converter converting the digital signal to an analog current signal. The D/A converter inputs the generated analog current signal to an inverting input terminal of the operational amplifier.

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Patent Owner(s)

  • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dosho, Shiro Osaka, JP 86 711
Matsukawa, Kazuo Osaka, JP 34 199
Mitani, Yosuke Osaka, JP 18 148
Takayama, Masao Osaka, JP 41 457

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