A Ka-to G-Band Detector with 5.5-GHz Video Bandwidth Using a Modified Travelling-Wave Structure in 65-nm CMOS Technology

Yunshan Wang, Tzu Yang Chiu, Te Yen Chiu, Kai Jie Yu, Yu Min Teng, Guo Wei Huang, Chun Hsing Li, Chien Nan Kuo, Chau Ching Chiong, Huei Wang

Research output: Contribution to journalArticlepeer-review

Abstract

A broadband envelope detector implemented in 65-nm CMOS process is proposed in this paper. The travelling-wave topology is used for broadband design. A novel structure is presented to achieve wide RF bandwidth and video bandwidth (VBW) of this detector. A 1490-mV/mW maximum responsivity is measured at 300 GHz. The measured VBW of the proposed detector is 5.5 GHz. This work exhibits a very wide RF fractional bandwidth (164%) among the detectors covering up to 300 GHz.

Original languageEnglish
Pages (from-to)1
Number of pages1
JournalIEEE Transactions on Circuits and Systems I: Regular Papers
DOIs
StateAccepted/In press - 2022

Keywords

  • Bandwidth
  • Baseband
  • Broadband communication
  • CMOS process
  • detector
  • Detectors
  • distributed
  • millimeter-wave (mmW)
  • Power transmission lines
  • Radio frequency
  • subterahertz (sub-THz)
  • Transistors
  • travelling-wave
  • ultra-wideband

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