A Highly Linear Mixer-First Receiver Front-End with Automatic Gain Control

Mehmet Alperen Baltaci*, Mustafa Berke Yelten

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A 2-3 GHz mixer-first receiver front end is proposed for high linearity applications such as beamforming and multipleinput multiple-output (MIMO) arrays. The proposed architecture consists of an input matching network, a 4-path filter including a mixer and transimpedance amplifier (TIA), phase generation block, and a feed-forward automatic gain control (AGC) architecture formed by a peak detector and an analog-to-digital converter (ADC). The 65 nm bulk CMOS technology is used to simulate the performance of the system. An active-feedback TIA topology is used for baseband amplification, and an AGC loop is created to control transimpedance gain. This TIA topology achieves high linearity and low power dissipation. Finally, gain flexibility is obtained through the AGC loop.

Original languageEnglish
Title of host publication2024 International Conference on Circuit, Systems and Communication, ICCSC 2024
EditorsMohammed El Ghzaoui, Bilal Aghoutane
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350365306
DOIs
Publication statusPublished - 2024
Event2024 International Conference on Circuit, Systems and Communication, ICCSC 2024 - Fez, Morocco
Duration: 28 Jun 202429 Jun 2024

Publication series

Name2024 International Conference on Circuit, Systems and Communication, ICCSC 2024

Conference

Conference2024 International Conference on Circuit, Systems and Communication, ICCSC 2024
Country/TerritoryMorocco
CityFez
Period28/06/2429/06/24

Bibliographical note

Publisher Copyright:
© 2024 IEEE.

Keywords

  • automatic gain control (AGC)
  • Mixer-first receivers
  • N-path filters
  • TIA

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