A UHF-Band Narrow-Band HTS Bandpass Filter With Wide Stopband Using Interdigital Structure

In this paper, a novel resonator with modified interdigital fingers and vertical meander line is proposed. This resonator has a high first spurious frequency and is suitable for the design of a narrow-band filter with a wide stopband. A compact narrow-band six-pole high-temperature superconducting f...

Full description

Saved in:
Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2013-12, Vol.23 (6), p.3-7
Main Authors: Wang, Jingchen, Wei, Bin, Cao, Bisong, Zhang, Xiaoping, Guo, Xubo, Song, Xiaoke
Format: Article
Language:English
Subjects:
Applied sciences
Bandpass filters
Capacitors. Resistors. Filters
Circuit properties
Couplings
Educational institutions
Electric, optical and optoelectronic circuits
Electrical engineering. Electrical power engineering
Electronic circuits
Electronics
Exact sciences and technology
Fingers
Frequency filters
High-temperature superconducting (HTS)
High-temperature superconductors
interdigital structure resonator
Meanders
Microstrip
narrow-band filter
Noise levels
Oscillators, resonators, synthetizers
Physics
Rejection
Resonant frequency
Resonators
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Superconducting devices
Superconducting microwave devices
Superconductivity
Various equipment and components
wide stopband
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:In this paper, a novel resonator with modified interdigital fingers and vertical meander line is proposed. This resonator has a high first spurious frequency and is suitable for the design of a narrow-band filter with a wide stopband. A compact narrow-band six-pole high-temperature superconducting filter at the ultrahigh-frequency band is successfully designed and fabricated with this resonator. The measured out-of-band rejection is better than 75 dB up to 2600 MHz, which is as high as 5.2 times of the fundamental frequency.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2013.2266401