"Distortion-free" varactor diode topologies for RF adaptivity

K. Buisman*, L.C.N. De Vreede, L.E. Larson, M. Spirito, A. Akhnoukh, T.L.M. Scholtes, L.K. Nanver

*Corresponding author for this work

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

61 Citations (Scopus)

Abstract

Varactor diode-based circuit topologies, which can act as high-Q "distortion-free" tunable capacitive elements, are presented. These diodes are implemented in a novel ultra low-loss silicon-on-glass technology, with resulting measured Q's of over 200 at 2 GHz. The measured IM3 improvement compared to traditional single varactor tuning techniques is greater than 30 dB.

Original languageEnglish
Title of host publication2005 IEEE MTT-S International Microwave Symposium Digest
PublisherIEEE
Pages157-160
Number of pages4
ISBN (Print)0780388461, 9780780388468
DOIs
Publication statusPublished - 1 Dec 2005
Externally publishedYes
Event2005 IEEE MTT-S International Microwave Symposium - Long Beach, United States
Duration: 12 Jun 200517 Jun 2005

Conference

Conference2005 IEEE MTT-S International Microwave Symposium
CountryUnited States
CityLong Beach
Period12/06/0517/06/05

Keywords

  • Distortion
  • Impedance matching
  • Losses
  • Tunable filters
  • Tuners
  • Varactors

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