Continuous/discrete mixed structure band-pass Sigma-Delta ADC

Continuous/discrete mixed structure band-pass Sigma-Delta ADC

The invention discloses a band-pass Sigma-Delta ADC (Analog to Digital Converter) with a continuous/discrete mixed structure, and belongs to the field of digital signal receiving. The second-order LC type continuous time resonator module is used for carrying out alternating current coupling on an ou...

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Hauptverfasser: ZHANG QINFENG, JIANG YINGDAN, YE MINGYUAN, FAN HAIYU
Format: Patent
Sprache:chi ; eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRICITY
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creator ZHANG QINFENG
JIANG YINGDAN
YE MINGYUAN
FAN HAIYU
description The invention discloses a band-pass Sigma-Delta ADC (Analog to Digital Converter) with a continuous/discrete mixed structure, and belongs to the field of digital signal receiving. The second-order LC type continuous time resonator module is used for carrying out alternating current coupling on an output signal of the off-chip LC resonant cavity to the second-order LC type continuous time resonator module through an off-chip blocking capacitor; the second-order RC type continuous time resonator module is used as the output of the second-order LC type continuous time resonator module of the intermediate stage connected with the preceding stage, and the center frequency is accurately resonated to a certain frequency; the second-order SC type discrete time resonator module is connected with the output of the second-order RC type continuous time resonator module; the multi-bit Flash type quantizer module compares a differential output signal of the second-order SC type discrete time resonator module with a differe
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subjects BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRICITY
title Continuous/discrete mixed structure band-pass Sigma-Delta ADC
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