A straight-line equation for the notch tailoring of a microwave extra wideband filter. Issue 16 (1st November 2016)

• Record Type: Journal Article
• Authors: Caddemi, Alina; Cardillo, Emanuele
• Is Part Of: Journal of electromagnetic waves and applications. Volume 30:Issue 16(2016)
• Page Start: 2099
• Page End: 2109
• Publication Date: 2016-11-01
• Subjects: Extra wideband filter -- notch -- microstrip filter -- microwave connectors; Electromagnetic waves -- Periodicals; Electromagnetic devices -- Periodicals; 621.3
• DOI: 10.1080/09205071.2016.1231090
• Languages: English
• ISSNs: 0920-5071

Abstract

Abstract: This paper deals with a flexible CAD methodology for the design of a microwave extra wideband filter introducing a notch at a desired frequency. The structure, designed in a cost-effective planar microstrip technology to operate in the 5–20 GHz frequency band, is capable of covering up to 120% of fractional bandwidth. It shows good performance in terms of in-band and out-of-band insertion loss and group delay. Furthermore, a simple relationship between the notch frequency and a single geometrical parameter of the structure has been extracted, thus making the component highly flexible to design. The procedure steps and the relevant design results are reported, including the electromagnetic analysis of the port connectors. Finally, different samples of the filter have been realized and measured to test the procedure. The experimental results have shown a good agreement with the expected performance thus confirming the effectiveness of the proposed methodology.