A Simple Ultra-Wideband Suspended Stripline Bandpass Filter With Very Wide Stop-Band

Balalem, Atallah; Menzel, Wolfgang; Macháč, Jan; Omar, Abbas

Type of document

článek z elektronického periodika

Author

Balalem, Atallah

Menzel, Wolfgang

Macháč, Jan

Omar, Abbas

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© 2008 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

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Abstract

This letter introduces a simple ultra-wideband suspended stripline filter with a pass-band from 3.1 to 10.6 GHz and a very wide stop-band up to more than 25 GHz. The filter is realized by capacitive coupling of a quasi-lumped low-pass filter to the I/O ports. Insertion loss in the pass-band is better than 0.5 dB. The filter has a length of 13.8 mm. Excellent agreement is achieved between measured and simulated results.

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