Efficient wideband filter using closed loop resonator with coupling lines
by Oudaya Coumar Souprayen; Tamilselvan Sadasivam
International Journal of Intelligent Enterprise (IJIE), Vol. 8, No. 2/3, 2021

Abstract: This paper is about a wideband filter using closed loop resonator with inter-digital coupling lines. The square resonator is used as closed loop structure integrated with inter-digital coupling on both sides which plays a major key role in this filter design. The proposed wideband filter can be employed in ultra-wideband (UWB) receivers since the operating band of UWB is matching with operating bandwidth of this filter. Design and EM simulation of the UWB filter's characteristics are discussed in this work. The proposed UWB filter produces tremendous bandwidth ranges from 2.3 GHz to 8 GHz. The filter evaluation parameters like return loss, insertion loss, phase and group delay are obtained, and their responses are analysed. The complete size measurement of the filter is achieved to be 39 mm × 3.2 mm × 1.6 mm on accounting the above features. The calculated bandwidth ratio with respect to centre frequency of the filter is obtained about 115%. The performance parameter results show the filter's return loss (S₁₁) and insertion loss (S₂₁) are −41 dB and −2 dB respectively. Both simulation and measured values the UWB-BPF are compared.

Online publication date: Mon, 26-Apr-2021

The full text of this article is only available to individual subscribers or to users at subscribing institutions.

 
Existing subscribers:
Go to Inderscience Online Journals to access the Full Text of this article.

Pay per view:
If you are not a subscriber and you just want to read the full contents of this article, buy online access here.

Complimentary Subscribers, Editors or Members of the Editorial Board of the International Journal of Intelligent Enterprise (IJIE):
Login with your Inderscience username and password:

Username:        Password:          Forgotten your password?

Want to subscribe?
A subscription gives you complete access to all articles in the current issue, as well as to all articles in the previous three years (where applicable). See our Orders page to subscribe.

If you still need assistance, please email subs@inderscience.com