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http://dx.doi.org/10.5207/JIEIE.2008.22.8.052

Design of a Dual-Band Switch with 2.4[GHz]/5.8[GHz]  

Roh, Hee-Jung (김포대학 유비쿼터스IT과)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.22, no.8, 2008 , pp. 52-58 More about this Journal
Abstract
Ths paper describes the Dual-band switch which was proposed new structure that could improved the specification of broadband and designed by the optimized structure through simulation. The Dual-band switch with 2.4[GHz]/5.8[GHz] that can apply to 802.11a/b/g system that is commercialized present was studied to get a new structure with higher power, high isolation. The transmitter of switch was designed to operate a parallel switching element with stack structure of two FET. The receiver designed to have asymmetry structure that insert series FET in addition to basic serial/parallel FET. SPDT(Single Pole Double Throw) Tx/Rx FET switch is a device that can do switching from a port of input to two port of output. The fabricated SPDT switch has the characteristic of insertion loss of a below -3[dB] form DC to 6[GHz] and the isolation of a below -30D[dB](Rx mode).
Keywords
Dual-band Switch; SPDT(Single Pole Double Throw); FET; 802.11a/b/g System;
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