Double conversion method for synthesis of inverse filters

Shahrokh Saeedi; Ju Seop Lee; Hjalti H. Sigmarsson

doi:10.1109/MWSYM.2015.7167134

Double conversion method for synthesis of inverse filters

Shahrokh Saeedi, Ju Seop Lee, Hjalti H. Sigmarsson

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

Abstract

A novel method for the inverse filter synthesis of the same type from an original filter is presented. The proposed procedure utilizes a double conversion, frequency inversion and swapping the transfer and reflection functions, which are commonly used for lowpass to highpass filter transformation. Due to the use of double conversions, the resulting filter always has the same type as the original filter. Using this procedure, the available general Chebyshev synthesis method can be used to synthesize inverse Chebyshev and elliptic filters. As an illustration, the coupling matrix of a third-order inverse Chebyshev bandpass filter is synthesized using the presented method. Then the original filter and its inverse filter are fabricated using microstrip technology. The measured and simulated filter results are shown to be in good agreement.

Original language	English
Title of host publication	2015 IEEE MTT-S International Microwave Symposium, IMS 2015
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Print)	9781479982752
DOIs	https://doi.org/10.1109/MWSYM.2015.7167134
Publication status	Published - 2015 Jul 24
Event	IEEE MTT-S International Microwave Symposium, IMS 2015 - Phoenix, United States Duration: 2015 May 17 → 2015 May 22

Other

Other	IEEE MTT-S International Microwave Symposium, IMS 2015
Country/Territory	United States
City	Phoenix
Period	15/5/17 → 15/5/22

Keywords

Elliptic
filter synthesis
filter transformation
generalized Chebyshev
inverse Chebyshev

ASJC Scopus subject areas

Computer Networks and Communications
Signal Processing
Electrical and Electronic Engineering

Access to Document

10.1109/MWSYM.2015.7167134

Cite this

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title = "Double conversion method for synthesis of inverse filters",

abstract = "A novel method for the inverse filter synthesis of the same type from an original filter is presented. The proposed procedure utilizes a double conversion, frequency inversion and swapping the transfer and reflection functions, which are commonly used for lowpass to highpass filter transformation. Due to the use of double conversions, the resulting filter always has the same type as the original filter. Using this procedure, the available general Chebyshev synthesis method can be used to synthesize inverse Chebyshev and elliptic filters. As an illustration, the coupling matrix of a third-order inverse Chebyshev bandpass filter is synthesized using the presented method. Then the original filter and its inverse filter are fabricated using microstrip technology. The measured and simulated filter results are shown to be in good agreement.",

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author = "Shahrokh Saeedi and Lee, {Ju Seop} and Sigmarsson, {Hjalti H.}",

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booktitle = "2015 IEEE MTT-S International Microwave Symposium, IMS 2015",

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T1 - Double conversion method for synthesis of inverse filters

AU - Saeedi, Shahrokh

AU - Lee, Ju Seop

AU - Sigmarsson, Hjalti H.

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N2 - A novel method for the inverse filter synthesis of the same type from an original filter is presented. The proposed procedure utilizes a double conversion, frequency inversion and swapping the transfer and reflection functions, which are commonly used for lowpass to highpass filter transformation. Due to the use of double conversions, the resulting filter always has the same type as the original filter. Using this procedure, the available general Chebyshev synthesis method can be used to synthesize inverse Chebyshev and elliptic filters. As an illustration, the coupling matrix of a third-order inverse Chebyshev bandpass filter is synthesized using the presented method. Then the original filter and its inverse filter are fabricated using microstrip technology. The measured and simulated filter results are shown to be in good agreement.

AB - A novel method for the inverse filter synthesis of the same type from an original filter is presented. The proposed procedure utilizes a double conversion, frequency inversion and swapping the transfer and reflection functions, which are commonly used for lowpass to highpass filter transformation. Due to the use of double conversions, the resulting filter always has the same type as the original filter. Using this procedure, the available general Chebyshev synthesis method can be used to synthesize inverse Chebyshev and elliptic filters. As an illustration, the coupling matrix of a third-order inverse Chebyshev bandpass filter is synthesized using the presented method. Then the original filter and its inverse filter are fabricated using microstrip technology. The measured and simulated filter results are shown to be in good agreement.

KW - Elliptic

KW - filter synthesis

KW - filter transformation

KW - generalized Chebyshev

KW - inverse Chebyshev

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DO - 10.1109/MWSYM.2015.7167134

M3 - Conference contribution

AN - SCOPUS:84946013279

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BT - 2015 IEEE MTT-S International Microwave Symposium, IMS 2015

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T2 - IEEE MTT-S International Microwave Symposium, IMS 2015

Y2 - 17 May 2015 through 22 May 2015

ER -

Double conversion method for synthesis of inverse filters

Abstract

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Keywords

ASJC Scopus subject areas

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