Isolation improvement of discrete PIN diode switch using square dumbbell Defected Ground Structure
The potential application of Defected Ground Structure (DGS) for isolation improvement of series discrete PIN diode switch is proposed in this paper. A square dumbbell DGS was selected for this application where it was connected in parallel with a single series discrete PIN diode. By realizing the c...
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| Main Authors: | , , , |
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| Format: | Conference or Workshop Item |
| Published: |
Institute of Electrical and Electronics Engineers Inc.
2015
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| Online Access: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-84925431227&doi=10.1109%2fAPACE.2014.7043775&partnerID=40&md5=503ec3d11f0da0c69962d4a41c27271a http://eprints.utp.edu.my/26233/ |
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| Summary: | The potential application of Defected Ground Structure (DGS) for isolation improvement of series discrete PIN diode switch is proposed in this paper. A square dumbbell DGS was selected for this application where it was connected in parallel with a single series discrete PIN diode. By realizing the circuit using FR4 substrate, the simulated and measured result clearly show that the isolation of the series discrete PIN diode during OFF state can be improved by square dumbbell DGS. By demonstrating it in 1.5 GHz frequency band, more than 30 dB isolation can be achieved if compared to single series discrete PIN diode without DGS. © 2014 IEEE. |
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