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http://dx.doi.org/10.5515/KJKIEES.2016.27.9.834

Design of a S-Band Transfer-Type SP4T Using PIN Diode  

Yeom, Kyung-Whan (Department of Radio Science & Engineering, Chungnam University)
Im, Pyung-Soon (Department of Radio Science & Engineering, Chungnam University)
Lee, Dong-Hyun (Department of Radio Science & Engineering, Chungnam University)
Park, Jong-Seol (Research and Development Center, U-tel)
Kim, Bo-Kyun (Research and Development Center, U-tel)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.27, no.9, 2016 , pp. 834-843 More about this Journal
Abstract
In this paper, the design of a PIN diode S-band transfer-type SP4T including its driver circuit is presented. Each path of the SP4T is composed of the cascade connection of series-shunt PIN diodes to improve the isolation performance. The SP4T is implemented using chip type PIN diodes and a 20 mil AIN substrate fabricated using thin film technology. The driver circuit for the SP4T is designed using a multiplexer and four NMOS-PMOS push-pull pair. From on-wafer measurement, the fabriacted SP4T shows a maximum insertion loss of 1.1 dB and a minimum isolation of 41 dB. The time performance of the driver circuit is evaluated using the packaged PIN diodes with the identical PIN diode chip, and the transition time for on-off and off-on are below 100 nsec. For an input power level of 150 W, the measured insertion loss and isolation are close to those of the on-wafer measurement taking into consideration of the coaxial package mismatch and insertion loss.
Keywords
PIN Diode; SP4T; Transfer Switch;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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