Compact Microstrip IF Lossy Filter With Ultra-Wide Stopband

Jia Ni; Jiasheng Hong; Petronilo Martin Iglesias

doi:10.1109/TMTT.2018.2858781

Compact Microstrip IF Lossy Filter With Ultra-Wide Stopband

Jia Ni, Jiasheng Hong, Petronilo Martin Iglesias

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13 Citations (Scopus)

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Abstract

A novel compact six-pole intermediate frequency lossy filter based on double-layer microstrip coupled microstrip resonators is proposed in this paper. A detailed theoretical analysis for the performance operation mechanism is illustrated. Significant advantages of the proposed structure over existing lossy filters include its low passband insertion loss variation, compact footprint, and ultra-wide stopband bandwidth. Excellent experimental results are provided to confirm these improvements, by using LCP bonded PCB multilayer technology. In general, the fabricated prototype filter operates at 0.97 GHz, with 0.19-dB insertion loss variation in the passband. In addition, it obtains a sharp selectivity with a pair of transmission zeros, as well as the 10th harmonic suppression with better than the 32-dB rejection level. Good agreement between the measured and simulated results can be observed finally.

Original language	English
Pages (from-to)	4520-4527
Number of pages	18
Journal	IEEE Transactions on Microwave Theory and Techniques
Volume	66
Issue number	10
Early online date	9 Aug 2018
DOIs	https://doi.org/10.1109/TMTT.2018.2858781
Publication status	Published - Oct 2018

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Jiasheng Hong
- J.Honghw.acuk
- School of Engineering & Physical Sciences, Institute of Sensors, Signals & Systems - Professor
- School of Engineering & Physical Sciences - Professor
Person: Academic (Research & Teaching)

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title = "Compact Microstrip IF Lossy Filter With Ultra-Wide Stopband",

abstract = "A novel compact six-pole intermediate frequency lossy filter based on double-layer microstrip coupled microstrip resonators is proposed in this paper. A detailed theoretical analysis for the performance operation mechanism is illustrated. Significant advantages of the proposed structure over existing lossy filters include its low passband insertion loss variation, compact footprint, and ultra-wide stopband bandwidth. Excellent experimental results are provided to confirm these improvements, by using LCP bonded PCB multilayer technology. In general, the fabricated prototype filter operates at 0.97 GHz, with 0.19-dB insertion loss variation in the passband. In addition, it obtains a sharp selectivity with a pair of transmission zeros, as well as the 10th harmonic suppression with better than the 32-dB rejection level. Good agreement between the measured and simulated results can be observed finally.",

author = "Jia Ni and Jiasheng Hong and Iglesias, {Petronilo Martin}",

year = "2018",

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doi = "10.1109/TMTT.2018.2858781",

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journal = "IEEE Transactions on Microwave Theory and Techniques",

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AU - Ni, Jia

AU - Hong, Jiasheng

AU - Iglesias, Petronilo Martin

PY - 2018/10

Y1 - 2018/10

N2 - A novel compact six-pole intermediate frequency lossy filter based on double-layer microstrip coupled microstrip resonators is proposed in this paper. A detailed theoretical analysis for the performance operation mechanism is illustrated. Significant advantages of the proposed structure over existing lossy filters include its low passband insertion loss variation, compact footprint, and ultra-wide stopband bandwidth. Excellent experimental results are provided to confirm these improvements, by using LCP bonded PCB multilayer technology. In general, the fabricated prototype filter operates at 0.97 GHz, with 0.19-dB insertion loss variation in the passband. In addition, it obtains a sharp selectivity with a pair of transmission zeros, as well as the 10th harmonic suppression with better than the 32-dB rejection level. Good agreement between the measured and simulated results can be observed finally.

AB - A novel compact six-pole intermediate frequency lossy filter based on double-layer microstrip coupled microstrip resonators is proposed in this paper. A detailed theoretical analysis for the performance operation mechanism is illustrated. Significant advantages of the proposed structure over existing lossy filters include its low passband insertion loss variation, compact footprint, and ultra-wide stopband bandwidth. Excellent experimental results are provided to confirm these improvements, by using LCP bonded PCB multilayer technology. In general, the fabricated prototype filter operates at 0.97 GHz, with 0.19-dB insertion loss variation in the passband. In addition, it obtains a sharp selectivity with a pair of transmission zeros, as well as the 10th harmonic suppression with better than the 32-dB rejection level. Good agreement between the measured and simulated results can be observed finally.

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JO - IEEE Transactions on Microwave Theory and Techniques

JF - IEEE Transactions on Microwave Theory and Techniques

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Compact Microstrip IF Lossy Filter With Ultra-Wide Stopband

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