Receive and Transmit Beamforming SiGe BiCMOS ICs for Scalable E-Band Phased Arrays

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Abstract

This paper presents E-band 4 and 16 element receive (RX) and transmit (TX) phase shifter ICs for a scalable RF beamforming architecture. The chips are fabricated in an 0.13-µm SiGe BiCMOS technology. The TX/RX vector-modulator based phase shifters have an 8-bit resolution. Based on on-wafer measurements at 75 GHz, the 4-element RX phased-array chip achieves a single channel measured maximum gain of 18 dB for the 0 to 360 degree phase range with a simulated noise figure of around 10 dB. The 4-element TX has a single channel measured maximum gain of 16 dB for the full phase range including an on-chip power divider with a simulated 1-dB output compression point of -0.5 dBm. The 16-channel beamforming chips are based on the 4-channel sub-arrays with on-chip power splitting/combining. The power consumption for a single RX and TX phase shifter channel is 115 and 142 mW, respectively.

Original languageEnglish
Title of host publication2021 51st European Microwave Conference, EuMC 2021
PublisherIEEE Institute of Electrical and Electronic Engineers
Pages273-276
Number of pages4
ISBN (Electronic)978-2-87487-063-7
ISBN (Print)978-1-6654-4721-8
DOIs
Publication statusPublished - 2021
MoE publication typeA4 Article in a conference publication
Event51st European Microwave Conference, EuMC 2021 - London, United Kingdom
Duration: 4 Apr 20226 Apr 2022

Conference

Conference51st European Microwave Conference, EuMC 2021
Country/TerritoryUnited Kingdom
CityLondon
Period4/04/226/04/22

Keywords

  • Phased arrays
  • Radio frequency
  • Semiconductor device measurement
  • Microwave integrated circuits
  • Phase measurement
  • Array signal processing
  • Phase shifters
  • phased arrays
  • flip-chip
  • beamforming
  • monolithic microwave integrated circuit (MMIC)
  • vector modulators

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