A Novel Down Conversion Mixer with Low/High Band Re-configurable Transconductance Amplifier in 65nm CMOS Process

Gupta, N. and Dutta, A. and Singh, S. (2022) A Novel Down Conversion Mixer with Low/High Band Re-configurable Transconductance Amplifier in 65nm CMOS Process. In: 12th IEEE Latin American Symposium on Circuits and Systems, LASCAS 2021, 22 February 2021 to 25 February 2021, Arequipa, Peru.

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Abstract

A 100MHz-5GHz down conversion mixer is reported for a multistandard wireless receiver with universal transconductance amplifier having reconfigurability in the form of RF band-width. In the proposed architecture RF bandwidth reconfigurability is reconfigured between low band (LB) RF frequency and high band (HB) RF frequency mixer modes. LB/HB reconfigurability is made through PMOS/NMOS switching the transconductance amplifier between these two modes. The proposed circuit is designed in UMC 65nm RFCMOS technology with 1.2V supply voltage. The circuit employs no inductors and operates from 100M-600M in LB and 600M-5G in HB. From the simulation results, the proposed circuit shows conversion gain of 35.4/27 dB, noise figure of 9/12.6 dB and IIP3of-7.1/5.5 dBm in HB and LB respectively. The inductorless circuit can operate over a wide frequency range. Hence this circuit will be much helpful in multi-standard receiver design.

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IITH Creators:
IITH CreatorsORCiD
Dutta, Asudebhttps://orcid.org/0000-0002-5880-4023
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Conversion gain, Downconversion mixer, Multi-standard wireless receivers, Proposed architectures, Receiver design, Reconfigurability, Transconductance amplifier, Wide frequency range
Subjects: Electrical Engineering
Divisions: Department of Electrical Engineering
Depositing User: Mrs Haseena VKKM
Date Deposited: 03 Nov 2021 05:33
Last Modified: 18 Feb 2022 06:51
URI: http://raiith.iith.ac.in/id/eprint/8880
Publisher URL: https://ieeexplore.ieee.org/document/9459141
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