Miniaturized Stepped Impedance Resonators with a Double Coaxial Structure and Their Application to Bandpass Filters

Morikazu SAGAWA; Michiaki MATSUO; Mitsuo MAKIMOTO; Kazuhiro EGUCHI

Miniaturized Stepped Impedance Resonators with a Double Coaxial Structure and Their Application to Bandpass Filters

Morikazu SAGAWA, Michiaki MATSUO, Mitsuo MAKIMOTO, Kazuhiro EGUCHI

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This paper describes newly developed miniaturized stepped impedance resonators with a double coaxial structure (DC-SIR's) and their application to bandpass filters. The new DC-SIR's using dielectric material are devised for more compact and lower frequency bandpass filters. Fundamental characteristics such as resonance properties and unloaded-Q make it clear that DC-SIR's have attractive features that miniaturization can be achieved without Q-factor degradation. Trial 400 MHz bandpass filters incorporating DC-SIR's are also made. Experimental results of bandpass filters proved that DC-SIR's are applicable to lower frequency band radio equipment and able to contribute to the expansion of applicable frequency ranges of dielectric coaxial resonators.

Publication: IEICE TRANSACTIONS on Electronics Vol.E78-C No.8 pp.1051-1057

Publication Date: 1995/08/25

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Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Technology)

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Morikazu SAGAWA, Michiaki MATSUO, Mitsuo MAKIMOTO, Kazuhiro EGUCHI, "Miniaturized Stepped Impedance Resonators with a Double Coaxial Structure and Their Application to Bandpass Filters" in IEICE TRANSACTIONS on Electronics, vol. E78-C, no. 8, pp. 1051-1057, August 1995, doi: .
Abstract: This paper describes newly developed miniaturized stepped impedance resonators with a double coaxial structure (DC-SIR's) and their application to bandpass filters. The new DC-SIR's using dielectric material are devised for more compact and lower frequency bandpass filters. Fundamental characteristics such as resonance properties and unloaded-Q make it clear that DC-SIR's have attractive features that miniaturization can be achieved without Q-factor degradation. Trial 400 MHz bandpass filters incorporating DC-SIR's are also made. Experimental results of bandpass filters proved that DC-SIR's are applicable to lower frequency band radio equipment and able to contribute to the expansion of applicable frequency ranges of dielectric coaxial resonators.
URL: https://globals.ieice.org/en_transactions/electronics/10.1587/e78-c_8_1051/_p

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@ARTICLE{e78-c_8_1051,
author={Morikazu SAGAWA, Michiaki MATSUO, Mitsuo MAKIMOTO, Kazuhiro EGUCHI, },
journal={IEICE TRANSACTIONS on Electronics},
title={Miniaturized Stepped Impedance Resonators with a Double Coaxial Structure and Their Application to Bandpass Filters},
year={1995},
volume={E78-C},
number={8},
pages={1051-1057},
abstract={This paper describes newly developed miniaturized stepped impedance resonators with a double coaxial structure (DC-SIR's) and their application to bandpass filters. The new DC-SIR's using dielectric material are devised for more compact and lower frequency bandpass filters. Fundamental characteristics such as resonance properties and unloaded-Q make it clear that DC-SIR's have attractive features that miniaturization can be achieved without Q-factor degradation. Trial 400 MHz bandpass filters incorporating DC-SIR's are also made. Experimental results of bandpass filters proved that DC-SIR's are applicable to lower frequency band radio equipment and able to contribute to the expansion of applicable frequency ranges of dielectric coaxial resonators.},
keywords={},
doi={},
ISSN={},
month={August},}

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TY - JOUR
TI - Miniaturized Stepped Impedance Resonators with a Double Coaxial Structure and Their Application to Bandpass Filters
T2 - IEICE TRANSACTIONS on Electronics
SP - 1051
EP - 1057
AU - Morikazu SAGAWA
AU - Michiaki MATSUO
AU - Mitsuo MAKIMOTO
AU - Kazuhiro EGUCHI
PY - 1995
DO -
JO - IEICE TRANSACTIONS on Electronics
SN -
VL - E78-C
IS - 8
JA - IEICE TRANSACTIONS on Electronics
Y1 - August 1995
AB - This paper describes newly developed miniaturized stepped impedance resonators with a double coaxial structure (DC-SIR's) and their application to bandpass filters. The new DC-SIR's using dielectric material are devised for more compact and lower frequency bandpass filters. Fundamental characteristics such as resonance properties and unloaded-Q make it clear that DC-SIR's have attractive features that miniaturization can be achieved without Q-factor degradation. Trial 400 MHz bandpass filters incorporating DC-SIR's are also made. Experimental results of bandpass filters proved that DC-SIR's are applicable to lower frequency band radio equipment and able to contribute to the expansion of applicable frequency ranges of dielectric coaxial resonators.
ER -