Single Pole Double Throw Discrete PIN Diode Switch with Switchable Quater Wave Stub Resonator

Shairi, Noor Azwan and Ahmad, Badrul Hisham and Zakaria, Zahriladha and Peng Wen, Wong (2012) Single Pole Double Throw Discrete PIN Diode Switch with Switchable Quater Wave Stub Resonator. In: 2012 International Conference on Communications and Mobile, 21-23 May 2012, Guilin, China.

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Abstract

Generally, it is difficult to get very high isolation of Single Pole Double Throw (SPDT) switch at 2.3 to 2.7 GHz band using single low performance discrete PIN diode (suitable up to 3 GHz applications). Therefore, this paper proposed switchable quarter wave stub resonator for isolation improvement of SPDT discrete PIN diode switch for Time Division Duplex switching of WiMAX and LTE front-end system at 2.3 to 2.7 GHz band. The commercialized discrete PIN diodes are used to switch between short stub and open stub where the Q of the resonator has been studied and analyzed for application of SPDT switch design. In measurement result, the SPDT switch with switchable quarter wave stub resonator has shown more than 30 dB of Tx-Rx isolation at 2.3 to 2.7 GHz band giving better isolation compared to conventional series SPDT switch.

Item Type: Conference or Workshop Item (Speech)
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Electronics and Computer Engineering > Department of Telecommunication Engineering
Depositing User: Dr Badrul Hisham Ahmad
Date Deposited: 25 Jul 2012 13:18
Last Modified: 01 Jul 2021 17:51
URI: http://eprints.utem.edu.my/id/eprint/4777
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