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A Composite Tunable Phase Shifter With Integrated Filtering Function
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DOI：10.1002/mop.70458.png)
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Abstract
En 中文
This paper innovatively proposes a phase-tunable phase shifter with filtering functionality, which utilizes the concept of transversal signal-interaction. It further achieves the extension of phase adjustment by cascading with switch-type phase shifters. The structure is analyzed using even- and odd-mode analysis and validated through full-wave simulations and measurements. Experimental results demonstrate 373 degrees phase shift at 1.75 GHz with 7.4% bandwidth, +/- 10.3 degrees phase error, and 4.9 dB maximum insertion loss. The design achieves precise phase control in a miniaturized layout suitable for 5G beamforming systems.
Keywords:
filtering function
transversal signal-interaction
tunable phase shifter
varactor diode
Journal
M
IF:
1.2
Papers:
213
Citations:
0