Topology Analysis and Design of Passive HEMT Millimeter-Wave Multiple-Port Switches

This paper discusses different topologies for millimeter-wave (MMW) multiple-port switches, and analyzes the insertion loss, isolation, and limitation of bandwidth. It is observed the performances of a MMW multiple-port switch are decided by both multiple-port topology and the structure of the const...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 2008-07, Vol.56 (7), p.1545-1554
Main Authors: Ruei Bin Lai, Shih Fong Chao, Zuo Min Tsai, Lee, J., Huei Wang
Format: Article
Language:English
Subjects:
Applied sciences
Bandwidth
Circuit properties
Circuit topology
Communication switching
Design engineering
Design. Technologies. Operation analysis. Testing
Electric, optical and optoelectronic circuits
Electronic circuits
Electronics
Exact sciences and technology
FETs
HEMT
HEMTs
High electron mobility transistors
Insertion loss
Integrated circuits
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Microwaves
Millimeter wave communication
Millimeter wave transistors
MMICs
monolithic microwave integrated circuit (MMIC)
multiple port
Noise levels
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
single-pole single-throw (SPST)
switch
Switches
Switching, multiplexing, switched capacity circuits
Topology
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Summary:This paper discusses different topologies for millimeter-wave (MMW) multiple-port switches, and analyzes the insertion loss, isolation, and limitation of bandwidth. It is observed the performances of a MMW multiple-port switch are decided by both multiple-port topology and the structure of the constituted unit single-pole-single-throw switches, but dominated by its topology. To verify the analysis, two types of multiple-port switch are designed, one is a distributed switch and the other is based on a filter-integrated switch, using different topologies. The net-type multiple-port topology based on a distributed switch demonstrates a measured insertion loss of 4-5 dB with isolation better than 25 dB in 48-65 GHz. In 43-66 GHz, the binary-ring multiple-port topology based on a filter-integrated switch shows a measured insertion loss of 3-4.5 dB with isolation better than 30 dB.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2008.924352