A Fully Integrated 27-dBm Dual-Band All-Digital Polar Transmitter Supporting 160 MHz for Wi-Fi 6 Applications

  • Assaf Ben-Bassat
  • , Shahar Gross
  • , Aaron Lane
  • , Anna Nazimov
  • , Bassam Khamaisi
  • , Elad Solomon
  • , Elan Banin
  • , Eli Borokhovich
  • , Nahum Kimiagorov
  • , Nati Dinur
  • , Phillip Skliar
  • , Roi Cohen
  • , Rotem Banin
  • , Sarit Zur
  • , Sebastian Reinhold
  • , Smadar Breuer-Bruker
  • , Tomer Abuhazira
  • , Tom Livneh
  • , Tzvi Maimon
  • , Uri Parker
  • Ashoke Ravi, Ofir Degani

Research output: Contribution to journalArticlepeer-review

41 Scopus citations

Abstract

This work presents a dual-band polar digital transmitter (P-DTX) based on a digitally controlled two-point edge interpolation digital-to-time converter, which is capable of supporting Wi-Fi 6 applications. The proposed P-DTX is fabricated in a standard 28-nm CMOS process. The 2.5/5GHz digital power amplifiers (DPAs) reach a maximum power (PMAX)/power efficiency (PE) of 27 dBm/53% and 27dBm/37%, respectively. The transmitter meets an error vector magnitude (EVM)/DPA PE/total TX power dissipation of -30.5 dB/33%/532 mW for the low band and -29 dB/26%/718 mW for the high band at 6-dB backoff (dBBO) from PMAX. An EVM as low as -40 dB is achieved using digital pre-distortion at 7-8 dBBO, for 20-160-MHz signal bandwidths, thus demonstrating MCS11 1024-QAM OFDM Wi-Fi 6 operation.

Original languageEnglish
Article number9210574
Pages (from-to)3414-3425
Number of pages12
JournalIEEE Journal of Solid-State Circuits
Volume55
Issue number12
DOIs
StatePublished - 1 Dec 2020
Externally publishedYes

Keywords

  • Digital TX
  • Wi-Fi 6
  • digital power amplifier (DPA)
  • digital-to-time converter (DTC)
  • polar TX

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Fingerprint

Dive into the research topics of 'A Fully Integrated 27-dBm Dual-Band All-Digital Polar Transmitter Supporting 160 MHz for Wi-Fi 6 Applications'. Together they form a unique fingerprint.

Cite this