BST-varactor tunable dual-mode filter using variable Z transmission line

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@article{4275b80cd3564b3c926e07a8832c6c72,
title = "BST-varactor tunable dual-mode filter using variable Z transmission line",
abstract = "Ferroelectric materials like Barium-Strontium-Titanate (BST) have become attractive for microwave tunable circuit applications. This letter presents an investigation of BST-varactor tunable dual-mode filter using variable characteristic impedance or Z transmission line. The interdigital BST varactors are fabricated and modeled, which are then deployed to realize a bandpass filter with tunable bandwidth capability. The use of tunable impedance line provides additional flexibilities in the design of microwave tunable circuits. A tunable bandpass filter of this type with a center frequency of 1.8 GHz and a bandwidth tuning ratio of 1.15:1 is demonstrated experimentally.",
author = "Y.-H. Chun and J.-S. Hong and M.J. Lancaster and P. Bao and T.J. Jackson",
year = "2008",
month = mar,
day = "1",
doi = "10.1109/LMWC.2008.916778",
language = "English",
volume = "18",
pages = "167--169",
journal = "IEEE Microwave and Wireless Components Letters",
issn = "1531-1309",
publisher = "Institute of Electrical and Electronics Engineers (IEEE)",
number = "3",

}

RIS

TY - JOUR

T1 - BST-varactor tunable dual-mode filter using variable Z transmission line

AU - Chun, Y.-H.

AU - Hong, J.-S.

AU - Lancaster, M.J.

AU - Bao, P.

AU - Jackson, T.J.

PY - 2008/3/1

Y1 - 2008/3/1

N2 - Ferroelectric materials like Barium-Strontium-Titanate (BST) have become attractive for microwave tunable circuit applications. This letter presents an investigation of BST-varactor tunable dual-mode filter using variable characteristic impedance or Z transmission line. The interdigital BST varactors are fabricated and modeled, which are then deployed to realize a bandpass filter with tunable bandwidth capability. The use of tunable impedance line provides additional flexibilities in the design of microwave tunable circuits. A tunable bandpass filter of this type with a center frequency of 1.8 GHz and a bandwidth tuning ratio of 1.15:1 is demonstrated experimentally.

AB - Ferroelectric materials like Barium-Strontium-Titanate (BST) have become attractive for microwave tunable circuit applications. This letter presents an investigation of BST-varactor tunable dual-mode filter using variable characteristic impedance or Z transmission line. The interdigital BST varactors are fabricated and modeled, which are then deployed to realize a bandpass filter with tunable bandwidth capability. The use of tunable impedance line provides additional flexibilities in the design of microwave tunable circuits. A tunable bandpass filter of this type with a center frequency of 1.8 GHz and a bandwidth tuning ratio of 1.15:1 is demonstrated experimentally.

UR - http://www.scopus.com/inward/record.url?eid=2-s2.0-40549137515&partnerID=8YFLogxK

U2 - 10.1109/LMWC.2008.916778

DO - 10.1109/LMWC.2008.916778

M3 - Article

AN - SCOPUS:40549137515

VL - 18

SP - 167

EP - 169

JO - IEEE Microwave and Wireless Components Letters

JF - IEEE Microwave and Wireless Components Letters

SN - 1531-1309

IS - 3

ER -