scholarly journals 90° and 180° phase shifter using an arbitrary phase-difference coupled-line structure

2017 ◽  
Vol 14 (22) ◽  
pp. 20170936-20170936
Author(s):  
Yezi Dong ◽  
Luhong Mao ◽  
Qiwei Song ◽  
Sheng Xie
Keyword(s):  
Phase Difference ◽  
Phase Shifter ◽  
Coupled Line ◽  
Line Structure ◽  
Arbitrary Phase

Novel Multi-way Broadband Differential Phase Shifter With Uniform Reference Line Using Coupled Line Structure

2015 ◽  
Vol 25 (3) ◽  
pp. 166-168 ◽  
Author(s):  
Xing Yu Pu ◽  
Shao Yong Zheng ◽  
Juhua Liu ◽  
Yuanxin Li ◽  
Yunliang Long
Keyword(s):  
Phase Shifter ◽  
Reference Line ◽  
Coupled Line ◽  
Differential Phase ◽  
Line Structure

An Improved Design for Ka-Band Phase Shifter Using Distributed MEMS Transmission Line Structure

PIERS Online ◽  
2005 ◽  
Vol 1 (5) ◽  
pp. 594-597 ◽  
Author(s):  
Boshi Jin ◽  
Haoyuan She ◽  
Yuemei Qin ◽  
Jiahui Fu ◽  
Qun Wu ◽  
...  
Keyword(s):  
Transmission Line ◽  
Phase Shifter ◽  
Ka Band ◽  
Line Structure ◽  
Improved Design

A UHF Compact Complex Impedance-transforming Balun with High Isolation

2020 ◽  
Vol 13 (8) ◽  
pp. 1135-1144
Author(s):  
Kittipong Nithiporndecha ◽  
Chatrpol Pakasiri
Keyword(s):  
Complex Impedance ◽  
Output Port ◽  
Reflection Coefficients ◽  
Coupled Line ◽  
High Isolation ◽  
Line Structure ◽  
Source Impedance ◽  
Phase Balance ◽  
High Output

Background: A compact complex impedance-transforming balun for UHF frequencies, which is based on a coupled-line structure that matched all ports and provided high output port isolation, was designed in this paper. Methods: A lumped component transformation was used to minimize circuit size. The implemented circuit operated at 433 MHz with the reflection coefficients less than -16 dB at all ports, 0.22 dB amplitude balance and 180° phase balance at the output ports. The signal coupling between the output ports was -16.8 dB. The circuit size is small at 0.032λ. Results: Complex impedance-transforming baluns were designed to operate at 433 MHz. The source impedance at port 1 was set at Zs = 12 - j12Ω and the load impedances at port 2 and 3 were set at ZL = 80 + j30Ω. Conclusion: A compact complex impedance-transforming balun at UHF frequency, with all ports matched and high isolations, was designed and illustrated in this paper.

K-band tunable phase shifter with microstrip line structure using BST technology

2015 ◽  
Author(s):  
Meng Zhang ◽  
Mingyang Liu ◽  
Senyin Ling ◽  
Peng Chen ◽  
Xiaowei Zhu ◽  
...  
Keyword(s):  
Microstrip Line ◽  
Phase Shifter ◽  
Line Structure ◽  
K Band

scholarly journals A MODIFIED COUPLED-LINE SCHIFFMAN PHASE SHIFTER WITH SHORT REFERENCE LINE

2014 ◽  
Vol 54 ◽  
pp. 17-27 ◽  
Author(s):  
Weiwei Zhang ◽  
Yuanan Liu ◽  
Yongle Wu ◽  
Weimin Wang ◽  
Ming Su ◽  
...  
Keyword(s):  
Phase Shifter ◽  
Reference Line ◽  
Coupled Line
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