A third-order continuous-time sigma-delta modulator for bluetooth

Wen Lin Yang; Wen Hung Hsieh; Chung-Chih Hung

doi:10.1109/VDAT.2009.5158141

A third-order continuous-time sigma-delta modulator for bluetooth

Wen Lin Yang^*, Wen Hung Hsieh, Chung-Chih Hung

^*Corresponding author for this work

Department of Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

25 Scopus citations

Abstract

This paper presents the design of a third-order continuous-time (CT) single-bit active-RC sigma-delta (ΣΔ) modulator for Bluetooth application. Through the use of the architecture, cascade of resonators with distributed feedback (CRFB), the signal bandwidth can be improved without increasing the order of the modulator. All integrators are implemented by active-RC type to have better linearity. Furthermore, in order to reduce the effect of the clock jitter, the feedback digital-to-analog converter (DAC) shape is realized by non-return-to-zero (NRZ). The modulator is designed in a standard digital 0.18μm CMOS process with a chip area of 1.32×1.23 mm². The measurement results show that the modulator achieves 56.8dB SNDR and 60dB dynamic range over 1MHz signal bandwidth, consuming 22.2mW at 1.8V supply.

Original language	English
Title of host publication	2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09
Pages	247-250
Number of pages	4
DOIs	https://doi.org/10.1109/VDAT.2009.5158141
State	Published - 1 Dec 2009
Event	2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09 - Hsinchu, Taiwan Duration: 28 Apr 2009 → 30 Apr 2009

Publication series

Name	2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09

Conference

Conference	2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09
Country/Territory	Taiwan
City	Hsinchu
Period	28/04/09 → 30/04/09

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10.1109/VDAT.2009.5158141

Cite this

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title = "A third-order continuous-time sigma-delta modulator for bluetooth",

abstract = "This paper presents the design of a third-order continuous-time (CT) single-bit active-RC sigma-delta (ΣΔ) modulator for Bluetooth application. Through the use of the architecture, cascade of resonators with distributed feedback (CRFB), the signal bandwidth can be improved without increasing the order of the modulator. All integrators are implemented by active-RC type to have better linearity. Furthermore, in order to reduce the effect of the clock jitter, the feedback digital-to-analog converter (DAC) shape is realized by non-return-to-zero (NRZ). The modulator is designed in a standard digital 0.18μm CMOS process with a chip area of 1.32×1.23 mm2. The measurement results show that the modulator achieves 56.8dB SNDR and 60dB dynamic range over 1MHz signal bandwidth, consuming 22.2mW at 1.8V supply.",

author = "Yang, {Wen Lin} and Hsieh, {Wen Hung} and Chung-Chih Hung",

year = "2009",

month = dec,

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doi = "10.1109/VDAT.2009.5158141",

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series = "2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09",

pages = "247--250",

booktitle = "2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09",

note = "2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09 ; Conference date: 28-04-2009 Through 30-04-2009",

}

Yang, WL, Hsieh, WH & Hung, C-C 2009, A third-order continuous-time sigma-delta modulator for bluetooth. in 2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09., 5158141, 2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09, pp. 247-250, 2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09, Hsinchu, Taiwan, 28/04/09. https://doi.org/10.1109/VDAT.2009.5158141

A third-order continuous-time sigma-delta modulator for bluetooth. / Yang, Wen Lin; Hsieh, Wen Hung; Hung, Chung-Chih.
2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09. 2009. p. 247-250 5158141 (2009 International Symposium on VLSI Design, Automation and Test, VLSI-DAT '09).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Hung, Chung-Chih

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N2 - This paper presents the design of a third-order continuous-time (CT) single-bit active-RC sigma-delta (ΣΔ) modulator for Bluetooth application. Through the use of the architecture, cascade of resonators with distributed feedback (CRFB), the signal bandwidth can be improved without increasing the order of the modulator. All integrators are implemented by active-RC type to have better linearity. Furthermore, in order to reduce the effect of the clock jitter, the feedback digital-to-analog converter (DAC) shape is realized by non-return-to-zero (NRZ). The modulator is designed in a standard digital 0.18μm CMOS process with a chip area of 1.32×1.23 mm2. The measurement results show that the modulator achieves 56.8dB SNDR and 60dB dynamic range over 1MHz signal bandwidth, consuming 22.2mW at 1.8V supply.

AB - This paper presents the design of a third-order continuous-time (CT) single-bit active-RC sigma-delta (ΣΔ) modulator for Bluetooth application. Through the use of the architecture, cascade of resonators with distributed feedback (CRFB), the signal bandwidth can be improved without increasing the order of the modulator. All integrators are implemented by active-RC type to have better linearity. Furthermore, in order to reduce the effect of the clock jitter, the feedback digital-to-analog converter (DAC) shape is realized by non-return-to-zero (NRZ). The modulator is designed in a standard digital 0.18μm CMOS process with a chip area of 1.32×1.23 mm2. The measurement results show that the modulator achieves 56.8dB SNDR and 60dB dynamic range over 1MHz signal bandwidth, consuming 22.2mW at 1.8V supply.

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A third-order continuous-time sigma-delta modulator for bluetooth

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