Design of Reconfigurable continuous-time quadrature delta sigma modulator for multi mode LOW-IF receivers

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SHAMSI ALIREZA

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Paper Information

Journal: JOURNAL OF IRANIAN ASSOCIATION OF ELECTRICAL AND ELECTRONICS ENGINEERS Year:2020 | Volume:16 | Issue:4 Page(s): 59-68

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Title

Design of Reconfigurable continuous-time quadrature delta sigma modulator for multi mode LOW-IF receivers

Author(s)

SHAMSI ALIREZA | Issue Writer Certificate

Keywords

quadrature delta-sigma modulatorQ1

multi-standardQ1

WLAN/WCDMA/GSMQ1

LOW-IF receiverQ1

Abstract

In this paper, design and implementation of a multi-standard quadrature delta-sigma modulator (QDSM) with a new structure is presented. This third order, FF, continuous time (CT), low pass (LP) QDSM is designed to supported the WLAN/WCDMA/GSM standards in LOW-IF receivers. The modulator is operates at single-bit real state in GSM mode and-to achieve the required bandwidth and SNR-multi-bit quadrature state in WLAN/WCDMA modes. To remove the DACs errors between I and Q paths, the DACs are designed to complex. Implemented in 180-nm CMOS, the modulator achieves 54/75. 9/81. 63 dB SNR and 1. 63/0. 6/0. 824 (pj/s Walden FoM) (131. 06/163. 35/156. 24 dB Schreier FoM) FOM for WLAN/WCDMA/GSM operating modes respectively.

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APA: Copy

SHAMSI, ALIREZA. (2020). Design of Reconfigurable continuous-time quadrature delta sigma modulator for multi mode LOW-IF receivers. JOURNAL OF IRANIAN ASSOCIATION OF ELECTRICAL AND ELECTRONICS ENGINEERS, 16(4 ), 59-68. SID. https://sid.ir/paper/115664/en

Vancouver: Copy

SHAMSI ALIREZA. Design of Reconfigurable continuous-time quadrature delta sigma modulator for multi mode LOW-IF receivers. JOURNAL OF IRANIAN ASSOCIATION OF ELECTRICAL AND ELECTRONICS ENGINEERS[Internet]. 2020;16(4 ):59-68. Available from: https://sid.ir/paper/115664/en

IEEE: Copy

ALIREZA SHAMSI, “Design of Reconfigurable continuous-time quadrature delta sigma modulator for multi mode LOW-IF receivers,” JOURNAL OF IRANIAN ASSOCIATION OF ELECTRICAL AND ELECTRONICS ENGINEERS, vol. 16, no. 4 , pp. 59–68, 2020, [Online]. Available: https://sid.ir/paper/115664/en

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