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

doi:10.1109/LMWC.2008.2005234

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

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-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 language	English
Article number	4666741
Pages (from-to)	749-751
Number of pages	3
Journal	IEEE microwave and wireless components letters
Volume	18
Issue number	11
DOIs	https://doi.org/10.1109/LMWC.2008.2005234
Publication status	Published - 1 Nov 2008
Externally published	Yes

Keywords

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

Access to Document

10.1109/LMWC.2008.2005234

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title = "A 67 dBm OIP3 multistacked junction varactor",

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.",

keywords = "Adaptive systems, Band-switching, Impedance matching, Low-distortion, Tunable filters, Tuners, Varactors",

author = "Cong Huang and Koen Buisman and Nanver, {Lis K.} and Francesco Sarubbi and Milo{\v s} Popadi{\'c} and Scholtes, {Tom L.M.} and Hugo Schellevis and Larson, {Lawrence E.} and {De Vreede}, {Leo C.N.}",

year = "2008",

month = nov,

day = "1",

doi = "10.1109/LMWC.2008.2005234",

language = "English",

volume = "18",

pages = "749--751",

journal = "IEEE microwave and wireless components letters",

issn = "1531-1309",

publisher = "IEEE",

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}

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 journal › Article › Academic › peer-review

TY - JOUR

T1 - A 67 dBm OIP3 multistacked junction varactor

AU - Huang, Cong

AU - Buisman, Koen

AU - Nanver, Lis K.

AU - Sarubbi, Francesco

AU - Popadić, Miloš

AU - Scholtes, Tom L.M.

AU - Schellevis, Hugo

AU - Larson, Lawrence E.

AU - De Vreede, Leo C.N.

PY - 2008/11/1

Y1 - 2008/11/1

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AB - 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.

KW - Adaptive systems

KW - Band-switching

KW - Impedance matching

KW - Low-distortion

KW - Tunable filters

KW - Tuners

KW - Varactors

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