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Title: L-band 360° vector-sum phase shifter using COTS components
Authors: Lim, W.
Tang, X. 
Mouthaan, K. 
Keywords: active phase shifter
Broadband phase shifters
digital phase shifters
phased array
Issue Date: 2012
Source: Lim, W.,Tang, X.,Mouthaan, K. (2012). L-band 360° vector-sum phase shifter using COTS components. Asia-Pacific Microwave Conference Proceedings, APMC : 100-102. ScholarBank@NUS Repository.
Abstract: The design of a 360° phase control vector-sum phase shifter (VSPS) covering the entire L-band is presented. This type of phase shifter is often implemented in integrated circuit (IC) technologies for higher frequencies. Using low-cost commercial-off-the-shelf (COTS) discrete components on PCB, an L-band VSPS design is proposed and experimentally verified. An RMS phase error about 2.5°, input- and output return losses larger than 18 dB, amplitude imbalance less than 1.5 dB and a gain variation less than 3 dB are measured across 1 to 2 GHz. © 2012 IEEE.
Source Title: Asia-Pacific Microwave Conference Proceedings, APMC
ISBN: 9781457713309
DOI: 10.1109/APMC.2012.6421511
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