Theoretical and experimental investigation of novel varactor-tuned switchable microstrip ring resonator circuits

by: TS Martin, F Wang, K Chang

Microwave Theory and Techniques, IEEE Transactions on, Vol. 36, No. 12. (1988), pp. 1733-1739.

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Abstract

A microstrip ring resonator circuit loaded with two p-i-n diodes has been developed for use as a switchable filter. By replacing one p-i-n diode with a varactor diode, the switchable filter can be made electronically tunable. Isolation exceeding 20 dB with 9% tuning bandwidth was demonstrated. An analysis based on transmission line theory was used to model both circuits. The analysis includes the effects of diode parasitics, coupling gaps, dispersion, and mounting-gap capacitance. The experimental results agree very well with the theoretical calculation

@article{citeulike:2762255, abstract = {A microstrip ring resonator circuit loaded with two p-i-n diodes has been developed for use as a switchable filter. By replacing one p-i-n diode with a varactor diode, the switchable filter can be made electronically tunable. Isolation exceeding 20 dB with 9\% tuning bandwidth was demonstrated. An analysis based on transmission line theory was used to model both circuits. The analysis includes the effects of diode parasitics, coupling gaps, dispersion, and mounting-gap capacitance. The experimental results agree very well with the theoretical calculation}, author = {Martin, T. S. and Wang, F. and Chang, K. }, booktitle = {Microwave Theory and Techniques, IEEE Transactions on}, citeulike-article-id = {2762255}, doi = {10.1109/22.17407}, journal = {Microwave Theory and Techniques, IEEE Transactions on}, keywords = {resonator, ring}, number = {12}, pages = {1733--1739}, posted-at = {2008-05-06 19:38:08}, priority = {2}, title = {Theoretical and experimental investigation of novel varactor-tuned switchable microstrip ring resonator circuits}, url = {http://dx.doi.org/10.1109/22.17407}, volume = {36}, year = {1988} }

RIS record

TY - JOUR ID - citeulike:2762255 L3 - citeulike-article-id:2762255 TI - Theoretical and experimental investigation of novel varactor-tuned switchable microstrip ring resonator circuits T2 - Microwave Theory and Techniques, IEEE Transactions on JF - Microwave Theory and Techniques, IEEE Transactions on VL - 36 IS - 12 SP - 1733 EP - 1739 N2 - A microstrip ring resonator circuit loaded with two p-i-n diodes has been developed for use as a switchable filter. By replacing one p-i-n diode with a varactor diode, the switchable filter can be made electronically tunable. Isolation exceeding 20 dB with 9% tuning bandwidth was demonstrated. An analysis based on transmission line theory was used to model both circuits. The analysis includes the effects of diode parasitics, coupling gaps, dispersion, and mounting-gap capacitance. The experimental results agree very well with the theoretical calculation KW - resonator KW - ring AU - Martin, TS AU - Wang, F AU - Chang, K PY - 1988/// UR - http://dx.doi.org/10.1109/22.17407 ER -

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