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Title A wideband 360° analog phase shifter design
2009
TI Citation The 22nd IEEE Canadian Conference on Electrical and Computer Engineering
unpublished
Preserved Fulltext
This paper proposes a reflection-type wideband 360° analogue phase shifter. The phase shifter employs a branchline coupler circuit to achieve a wideband operation and a varactor-diode circuit to achieve a wide phase-shift range. Analytical formulas are derived to optimize the parameters in the coupler circuit for wideband operation and reduced attenuation ripple, and in the varactor circuit to minimize the frequency dependency of the output phase. Simulation results using the Advanced Design
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