Simulation Analysis On The Potential Application Of Matched Bandstop To Bandpass Filter In Filter Integrated SPDT Switch Design

• Main Authors: Zakaria, Zahriladha, Shairi, Noor Azwan, Zobilah, Abdullah Mohammed S., Ahmad, Badrul Hisham, Zahari, Mohd Khairy, Wong, Peng Wen
• Format: Article
• Language: English
• Published: Universiti Teknikal Malaysia Melaka 2018
• Subjects: T Technology (General); TK Electrical engineering. Electronics Nuclear engineering
• Online Access: http://eprints.utem.edu.my/id/eprint/22915/2/Jzz54.pdf; http://eprints.utem.edu.my/id/eprint/22915/; http://journal.utem.edu.my/index.php/jtec/article/view/4820; http://journal.utem.edu.my/index.php/jtec/article/view/4820/3541

This paper presents the simulation analysis on the potential application of matched bandstop to bandpass filter in filter integrated switch (FIS) design.The FIS consists of matched band-stop to bandpass filter integrated with singlepole-double-throw (SPDT) switch. The proposed design was demonstrated for 2.45 GHz applications in wireless data communication systems such as Bluetooth and Zigbee.The filter was based on L-shape lossy resonator,which can provide an absorptive feature. PIN diodes were used as switching elements for the SPDT switch and to reconfigure between band-stop and bandpass responses.Therefore,the key advantages of the proposed design are high isolation and good return loss at both ON-and OFF-state ports.As a result,the simulation showed the followings:higher than 10 dB of return loss and greater than 25 dB of isolation at the operation frequency.