Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/70812
Title: Loaded-line phase shifter with enlarged phase shift range and bandwidth
Authors: Tang, X. 
Mouthaan, K. 
Issue Date: 2010
Source: Tang, X.,Mouthaan, K. (2010). Loaded-line phase shifter with enlarged phase shift range and bandwidth. European Microwave Week 2010, EuMW2010: Connecting the World, Conference Proceedings - European Microwave Conference, EuMC 2010 : 818-821. ScholarBank@NUS Repository.
Abstract: A loaded-line phase shifter with substantially enlarged phase shift range and bandwidth is presented. The exact synthesis procedure is also presented. In the proposed topology, a pair of open circuited stubs is inserted between two λ/8 transmission lines and two grounded shunt stubs are used to align the insertion phase of the two phase states. For a phase shift of 45°, the simulated bandwidth is increased from 25% to 40% compared to the conventional loaded-line phase shifter while maintaining a return loss better than 16 dB and phase error better than ±2°. For a 90° phase shifter, the ±2° phase error bandwidth is increased from 2% to 21% with a return loss larger than 16 dB. To validate the topology, 45° and 90° phase shifters are designed and measured. The measured ±2° phase error bandwidth is 34% and 21% and the return loss is larger than 14 dB and 10 dB for the 45° and the 90° phase shifter, respectively. © 2010 EuMA.
Source Title: European Microwave Week 2010, EuMW2010: Connecting the World, Conference Proceedings - European Microwave Conference, EuMC 2010
URI: http://scholarbank.nus.edu.sg/handle/10635/70812
ISBN: 9782874870163
Appears in Collections:Staff Publications

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