A low-loss 2nd order chebychev microwave cavity band pass filter

M. Chose; J. M. Chuma; A. Yahya; O. B. Kobe; I. Ngebani; T. M. Pholele

doi:10.1109/RADIO.2016.7772017

A low-loss 2^nd order chebychev microwave cavity band pass filter

M. Chose, J. M. Chuma, A. Yahya, O. B. Kobe, I. Ngebani, T. M. Pholele

Electrical, Computer & Telecommunications Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

In this paper, the low-loss coaxial probe fed microwave cavity filter is presented. The filter has recently shown great performance improvement in its selectivity and S-parameter response, but the rate of signal to noise ratio due to spurious modes in the pass band is significantly too high to ignore. A 2^nd order band pass filter is investigated and its S-parameter response analysed by employing improved dielectric-loaded cavity resonators. The design is based on a low pass Chebyshev prototype at 1 dB insertion loss and 10 dB return loss. An efficient analytical method for reducing the spurious bandwidth of the filter is also devised to improve the filter response. The results shows that the filter, on its single mode operation state, provides increased selectivity and a significant amount of Q values are achieved to reduce the transmission losses.

Original language	English
Title of host publication	2016 IEEE Radio and Antenna Days of the Indian Ocean, RADIO 2016
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781509025800
DOIs	https://doi.org/10.1109/RADIO.2016.7772017
Publication status	Published - Dec 5 2016
Event	2016 IEEE Radio and Antenna Days of the Indian Ocean, RADIO 2016 - Saint-Gilles Les Bains, Réunion Duration: Oct 10 2016 → Oct 13 2016

Other

Other	2016 IEEE Radio and Antenna Days of the Indian Ocean, RADIO 2016
Country/Territory	Réunion
City	Saint-Gilles Les Bains
Period	10/10/16 → 10/13/16

All Science Journal Classification (ASJC) codes

Computer Networks and Communications
Electrical and Electronic Engineering
Instrumentation

Access to Document

10.1109/RADIO.2016.7772017

Cite this

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title = "A low-loss 2nd order chebychev microwave cavity band pass filter",

abstract = "In this paper, the low-loss coaxial probe fed microwave cavity filter is presented. The filter has recently shown great performance improvement in its selectivity and S-parameter response, but the rate of signal to noise ratio due to spurious modes in the pass band is significantly too high to ignore. A 2nd order band pass filter is investigated and its S-parameter response analysed by employing improved dielectric-loaded cavity resonators. The design is based on a low pass Chebyshev prototype at 1 dB insertion loss and 10 dB return loss. An efficient analytical method for reducing the spurious bandwidth of the filter is also devised to improve the filter response. The results shows that the filter, on its single mode operation state, provides increased selectivity and a significant amount of Q values are achieved to reduce the transmission losses.",

author = "M. Chose and Chuma, {J. M.} and A. Yahya and Kobe, {O. B.} and I. Ngebani and Pholele, {T. M.}",

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booktitle = "2016 IEEE Radio and Antenna Days of the Indian Ocean, RADIO 2016",

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Chose, M, Chuma, JM , Yahya, A, Kobe, OB, Ngebani, I & Pholele, TM 2016, A low-loss 2^nd order chebychev microwave cavity band pass filter. in 2016 IEEE Radio and Antenna Days of the Indian Ocean, RADIO 2016., 7772017, Institute of Electrical and Electronics Engineers Inc., 2016 IEEE Radio and Antenna Days of the Indian Ocean, RADIO 2016, Saint-Gilles Les Bains, Réunion, 10/10/16. https://doi.org/10.1109/RADIO.2016.7772017

A low-loss 2^nd order chebychev microwave cavity band pass filter. / Chose, M.; Chuma, J. M.; Yahya, A.; Kobe, O. B.; Ngebani, I.; Pholele, T. M.

2016 IEEE Radio and Antenna Days of the Indian Ocean, RADIO 2016. Institute of Electrical and Electronics Engineers Inc., 2016. 7772017.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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AU - Chuma, J. M.

AU - Yahya, A.

AU - Kobe, O. B.

AU - Ngebani, I.

AU - Pholele, T. M.

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N2 - In this paper, the low-loss coaxial probe fed microwave cavity filter is presented. The filter has recently shown great performance improvement in its selectivity and S-parameter response, but the rate of signal to noise ratio due to spurious modes in the pass band is significantly too high to ignore. A 2nd order band pass filter is investigated and its S-parameter response analysed by employing improved dielectric-loaded cavity resonators. The design is based on a low pass Chebyshev prototype at 1 dB insertion loss and 10 dB return loss. An efficient analytical method for reducing the spurious bandwidth of the filter is also devised to improve the filter response. The results shows that the filter, on its single mode operation state, provides increased selectivity and a significant amount of Q values are achieved to reduce the transmission losses.

AB - In this paper, the low-loss coaxial probe fed microwave cavity filter is presented. The filter has recently shown great performance improvement in its selectivity and S-parameter response, but the rate of signal to noise ratio due to spurious modes in the pass band is significantly too high to ignore. A 2nd order band pass filter is investigated and its S-parameter response analysed by employing improved dielectric-loaded cavity resonators. The design is based on a low pass Chebyshev prototype at 1 dB insertion loss and 10 dB return loss. An efficient analytical method for reducing the spurious bandwidth of the filter is also devised to improve the filter response. The results shows that the filter, on its single mode operation state, provides increased selectivity and a significant amount of Q values are achieved to reduce the transmission losses.

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