Distributed transmission line phase shifter using parallel-plate ferroelectric thin film varactors
Sheng, S. Ong, C.K.
Sheng, S.
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Abstract
A distributed transmission line phase shifter based on two series connected parallel-plate ferroelectric thin film varactors, which are integrated into single crystal (1 0 0) LaAlO 3 (LAO) wafer, is presented. The equivalent circuit model was simulated by the EM simulation software in an effort to optimize the design. A device with differential phase shifts of 150° at 8 GHz with a low bias voltage of 12 V was realized. © 2009 Elsevier B.V. All rights reserved.
Keywords
Microwave measurement, Parallel-plate varactors, Transmission line Phase shifters, Voltage tunable dielectrics
Source Title
Microelectronic Engineering
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Series/Report No.
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Date
2010-10
DOI
10.1016/j.mee.2009.11.126
Type
Article