A 67 dBm OIP3 multistacked junction varactor

Cong Huang, Koen Buisman, Lis K. Nanver, Francesco Sarubbi, Miloš Popadić, Tom L.M. Scholtes, Hugo Schellevis, Lawrence E. Larson, Leo C.N. De Vreede

Research output: Contribution to journalArticleAcademicpeer-review

9 Citations (Scopus)

Abstract

A multistacked varactor is presented for ultra-linear tunable radio frequency applications. The varactor elements are applied in anti-series configuration and are characterized by an "exponential" C-V R relationship. Third-order intermodulation (IM3) is cancelled through proper harmonic loading of the terminals of the anti-series configuration. Multiple stacking is used to further increase the power handling and to minimize the remaining fifth-order distortion. The measured output intercept point (OIP3) at 2 GHz is > 67 dBm for modulated signals up to 10 MHz bandwidth, while providing a capacitance tuning ratio of 3:1 with an average quality factor of 40 and maximum control voltage of 10 V.

Original languageEnglish
Article number4666741
Pages (from-to)749-751
Number of pages3
JournalIEEE microwave and wireless components letters
Volume18
Issue number11
DOIs
Publication statusPublished - 1 Nov 2008
Externally publishedYes

Fingerprint

varactor diodes
Varactors
Intermodulation
intermodulation
configurations
Voltage control
Q factors
radio frequencies
Capacitance
Tuning
capacitance
tuning
bandwidth
Bandwidth
harmonics
output
electric potential

Keywords

  • Adaptive systems
  • Band-switching
  • Impedance matching
  • Low-distortion
  • Tunable filters
  • Tuners
  • Varactors

Cite this

Huang, C., Buisman, K., Nanver, L. K., Sarubbi, F., Popadić, M., Scholtes, T. L. M., ... De Vreede, L. C. N. (2008). A 67 dBm OIP3 multistacked junction varactor. IEEE microwave and wireless components letters, 18(11), 749-751. [4666741]. https://doi.org/10.1109/LMWC.2008.2005234
Huang, Cong ; Buisman, Koen ; Nanver, Lis K. ; Sarubbi, Francesco ; Popadić, Miloš ; Scholtes, Tom L.M. ; Schellevis, Hugo ; Larson, Lawrence E. ; De Vreede, Leo C.N. / A 67 dBm OIP3 multistacked junction varactor. In: IEEE microwave and wireless components letters. 2008 ; Vol. 18, No. 11. pp. 749-751.
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Huang, C, Buisman, K, Nanver, LK, Sarubbi, F, Popadić, M, Scholtes, TLM, Schellevis, H, Larson, LE & De Vreede, LCN 2008, 'A 67 dBm OIP3 multistacked junction varactor' IEEE microwave and wireless components letters, vol. 18, no. 11, 4666741, pp. 749-751. https://doi.org/10.1109/LMWC.2008.2005234

A 67 dBm OIP3 multistacked junction varactor. / Huang, Cong; Buisman, Koen; Nanver, Lis K.; Sarubbi, Francesco; Popadić, Miloš; Scholtes, Tom L.M.; Schellevis, Hugo; Larson, Lawrence E.; De Vreede, Leo C.N.

In: IEEE microwave and wireless components letters, Vol. 18, No. 11, 4666741, 01.11.2008, p. 749-751.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - Huang, Cong

AU - Buisman, Koen

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Huang C, Buisman K, Nanver LK, Sarubbi F, Popadić M, Scholtes TLM et al. A 67 dBm OIP3 multistacked junction varactor. IEEE microwave and wireless components letters. 2008 Nov 1;18(11):749-751. 4666741. https://doi.org/10.1109/LMWC.2008.2005234