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- Title
Compact microstrip balanced bandpass filter with adjustable transmission zeros.
- Authors
Jian-Kang Xiao; Xiao-Bao Su; Hui-Xia Wang; Jian-Guo Ma
- Abstract
A compact microstrip balanced bandpass filter (BPF) with a pair of adjustable transmission zeros (TZs) and a common mode suppression of over 20 dB in a frequency range of >2.42f0 by using the mixed electromagnetic coupling technology has been developed. The filter TZs in differential-mode are attributed to the mixed electromagnetic coupling, and can be adjusted by the electric/magnetic coupling individually. The filter bandwidth can also be controlled by the electromagnetic coupling. The proposed balanced BPF has been fabricated and measured, and the prediction has been demonstrated.
- Subjects
BANDPASS filters; ELECTRIC filters; HIGHPASS electric filters; TRANSMISSION zeros; ELECTRONIC circuits; ELECTROMAGNETIC coupling
- Publication
Electronics Letters (Wiley-Blackwell), 2019, Vol 55, Issue 4, p212
- ISSN
0013-5194
- Publication type
Article
- DOI
10.1049/el.2018.7689