2018
DOI: 10.1587/transele.e101.c.480
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A Noise Coupled ΔΣAD Modulator Using Passive Adder Embedded Noise Shaping SAR Quantizer

Abstract: The usage of this PDF file must comply with the IEICE Provisions on Copyright. The author(s) can distribute this PDF file for research and educational (nonprofit) purposes only. Distribution by anyone other than the author(s) is prohibited. 480 SUMMARYThis paper presents a 3rd-order ΔΣAD modulator with noise coupling structure using the proposed passive adder embedded quantization noise shaping (QNS) SAR quantizer. QNS SAR quantizer can feedback shaped quantization noise and realize an additional 1st-order noi… Show more

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Cited by 3 publications
(3 citation statements)
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References 18 publications
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“…Each channel has a bandwidth of 4 GHz and is used by calls [1], [2]. The data to be transferred is modulated onto a radio frequency (RF) carrier, which is subsequently broadcast over the air, which is common to practically all of these standards [3]. In the receiving end, the received signal is demodulated, and a perfect RF carrier signal must be created.…”
Section: Introductionmentioning
confidence: 99%
“…Each channel has a bandwidth of 4 GHz and is used by calls [1], [2]. The data to be transferred is modulated onto a radio frequency (RF) carrier, which is subsequently broadcast over the air, which is common to practically all of these standards [3]. In the receiving end, the received signal is demodulated, and a perfect RF carrier signal must be created.…”
Section: Introductionmentioning
confidence: 99%
“…ΔΣ-DAC modulators appreciate high resolution by noise shaping technique and oversampling. In the deep submicron CMOS systems, which are the most suitable for high resolution applications [3]. Since MDC ADC resolution depends on condenser matching accuracy and comparator offset, in nano-scale CMOS technology, achieving a high-resolution ADC is difficult.…”
Section: Introductionmentioning
confidence: 99%
“…The voltage changes in the modulator are significantly reduced by adding direct forward feed of the input signal to a quantizer. It is therefore possible to overcome the drawbacks of ΔΣ-DAC modulators [13].…”
Section: Introductionmentioning
confidence: 99%