NDLI: Design of a compact microstrip lowpass filter with sharp roll-off using combined T-shaped and L-shaped resonators

Content Provider	IET Digital Library
Author	Jahanbakhshi, M. Hayati, M.
Abstract	A novel compact microstrip lowpass filter with high performance is designed and analysed based on transfer function. The main resonator consists of L-shaped and T-shaped patches. The L-shaped resonator is used to increase the width of the stopband. The presented filter has −3 dB cut-off frequency at 2 GHz. It also has a wide stopband about 17.82 GHz with the suppression level of −21 dB. The transition band is ∼168 MHz from −3 to −40 dB. The locations of transmission zeros are calculated by transfer function. The presented lowpass filter has other advantages, such as high return loss more than 20 dB and low insertion loss <0.15 dB in the passband. The size of the filter is only 0.087 × 0.170 λg 2, where λ g is the guided wavelength at the cut-off frequency. The proposed lowpass filter has the figure of merit of 50,285, which shows its strong efficiency. The lowpass filter is simulated and fabricated and there is a good agreement between the simulation and measurement results.
Starting Page	1931
Ending Page	1933
Page Count	3
ISSN	00135194
Volume Number	52
e-ISSN	1350911X
Issue Number	Issue 23, Nov (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/52/23
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2016.3432
Journal	Electronics Letters
Publisher Date	2016-10-24
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Combined T-shaped-L-shaped Resonator Compact Microstrip Low-pass Filter Design Cut-off Frequency Frequency 2 GHz Low-pass Filter Microstrip Filter Passive Filter Passive Network Resonator Filter Return Loss Sharp Roll-off Transfer Function Transmission Zero UHF Filter Waveguide And Microwave Transmission Line Component
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Miniaturised microstrip lowpass filter with sharp roll-off and ultra-wide stopband

Compact microstrip lowpass filter with sharp roll-off using radial resonator

Design of microstrip lowpass filter with wide stopband and sharp roll-off using hexangular shaped resonator

Dual split resonator lowpass filter with ultra-wide stopband and sharp roll-off rate

Compact lowpass filter with flat group delay using lattice-shaped resonator

Compact lowpass filter with wide stopband using stepped impedance hairpin units

Design of lowpass filter using novel stepped impedance resonator

High performance LPF Structure with sharp roll-off and low VSWR

Compact microstrip lowpass filter with wide stopband and very-sharp roll-off

Design of a compact microstrip lowpass filter with sharp roll-off using combined T-shaped and L-shaped resonators

Similar Documents

Miniaturised microstrip lowpass filter with sharp roll-off and ultra-wide stopband

Compact microstrip lowpass filter with sharp roll-off using radial resonator

Design of microstrip lowpass filter with wide stopband and sharp roll-off using hexangular shaped resonator

Dual split resonator lowpass filter with ultra-wide stopband and sharp roll-off rate

Compact lowpass filter with flat group delay using lattice-shaped resonator

Compact lowpass filter with wide stopband using stepped impedance hairpin units

Design of lowpass filter using novel stepped impedance resonator

High performance LPF Structure with sharp roll-off and low VSWR

Compact microstrip lowpass filter with wide stopband and very-sharp roll-off

Design of a compact microstrip lowpass filter with sharp roll-off using combined T-shaped and L-shaped resonators