Reversible operation of a CMOS Colpitts VCO as a W-band passive detector and energy harvesting

Nir Weissman, Samuel Jameson, Eran Socher

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

Abstract

An innovative topology for detecting and harvesting energy in the W-band has been realized in 90 nm CMOS process. The circuit uses a differential Colpitts topology in reverse mode to convert an input W-band signal into a DC voltage, current or power output. The circuit achieves a voltage responsivity of 2.1 kV/W at 95 GHz, current responsivity of 2.9 A/W at 99 GHz and NEP of 11.9 pW√Hz without DC power consumption. In power harvesting mode an efficiency of 5% is achieved for an 11.4 dBm at 99GHz input signal. The design occupies only 0.15 mm2 including pads.

Original languageEnglish
Title of host publicationEuropean Microwave Week 2013, EuMW 2013 - Conference Proceedings; EuMC 2013
Subtitle of host publication43rd European Microwave Conference
Pages830-833
Number of pages4
StatePublished - 2013
Event2013 43rd European Microwave Conference, EuMC 2013 - Held as Part of the 16th European Microwave Week, EuMW 2013 - Nuremberg, Germany
Duration: 7 Oct 201310 Oct 2013

Publication series

NameEuropean Microwave Week 2013, EuMW 2013 - Conference Proceedings; EuMC 2013: 43rd European Microwave Conference

Conference

Conference2013 43rd European Microwave Conference, EuMC 2013 - Held as Part of the 16th European Microwave Week, EuMW 2013
Country/TerritoryGermany
CityNuremberg
Period7/10/1310/10/13

Keywords

  • CMOS
  • Differential Colpitts topology
  • Efficiency
  • Harvester
  • NEP
  • Passive Detector
  • Responsivity
  • W-band

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