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Isolation improvement of SPDT discrete switch with single switchable open stub resonator at 2 GHz band

Noor Azwan, Shairi and Badrul Hisham, Ahmad and Zahriladha, Zakaria and Peng Wen, Wong (2012) Isolation improvement of SPDT discrete switch with single switchable open stub resonator at 2 GHz band. In: Wireless Technology and Applications (ISWTA), 2012 IEEE Symposium on, 23-26 Sept 2012, Bandung, Indonesia.

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Abstract

Generally, if using single low performance discrete PIN diode, it is difficult to get high isolation of Single Pole Double Throw (SPDT) switch at 2 GHz band. The PIN diodes are usually packaged in a standard package such as SOT23, SOT323, SOD323 or SOD523. Therefore, this paper proposed single switchable open stub resonator for isolation improvement of shunt SPDT discrete PIN diode switch for Time Division Duplex switching of wireless communication system at 2 GHz band. The discussion of the conceptual and operation of the resonator are included in this paper. The circuit has been simulated for further analysis in simulation software where parameters of microstrip line and FR4 substrate have been taken into account. Result in simulation has shown high isolation between 25 to 28 dB at frequency of 2 to 3 GHz compared to conventional shunt SPDT switch and has been verified with measurement.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Electronics and Computer Engineering > Department of Telecommunication Engineering
Depositing User: Mr Noor Azwan Shairi
Date Deposited: 13 Jan 2014 04:10
Last Modified: 28 May 2015 04:12
URI: http://eprints.utem.edu.my/id/eprint/10598

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