A wide band and high isolation microstrip line crossover using microstrip to ridge waveguide transitions

2016 ◽  
Vol 58 (5) ◽  
pp. 1148-1150 ◽  
Author(s):  
Dongquan Sun ◽  
Jinping Xu
Keyword(s):  
Microstrip Line ◽  
Wide Band ◽  
Ridge Waveguide ◽  
High Isolation ◽  
Waveguide Transitions

LTCC Wide-Band Canonical Ridge Waveguide Filters

2005 ◽  
Author(s):  
Mohamed M. Fahmi ◽  
Jorge A. Ruiz-Cruz ◽  
Kawthar A. Zaki ◽  
Andrew J. Piloto
Keyword(s):  
Wide Band ◽  
Ridge Waveguide ◽  
Waveguide Filters

A Differential UWB Quasi-Yagi Antenna with A Reconfigurable Notched Band

Frequenz ◽  
2018 ◽  
Vol 72 (9-10) ◽  
pp. 401-406 ◽  
Author(s):  
Feng Wei ◽  
Xin Tong Zou ◽  
Xin Yi Wang ◽  
Bin Li ◽  
Xi Bei Zhao
Keyword(s):  
Microstrip Line ◽  
Design Procedure ◽  
Wide Band ◽  
Impedance Bandwidth ◽  
Differential Mode ◽  
Transition Structure ◽  
Notched Band ◽  
Quarter Wavelength ◽  
Yagi Antenna ◽  
Good Agreement

Abstract A compact differential ultra-wide band (UWB) planar quasi-Yagi antenna is presented in this paper. The proposed antenna consists of a balanced stepped-impedance microstrip-slotline transition structure, a driver dipole and one parasitic strip. A wide differential-mode (DM) impedance bandwidth covering from 3.8 to 9.5 GHz is realized. Meanwhile, a high and wideband common-mode (CM) suppression can be achieved by employing the balanced stepped-impedance microstrip-slotline transition structure. It is noted that the DM passband is independent from the CM response, which can significantly simplify the design procedure. In addition, a reconfigurable sharp DM notched band from 5.6 to 6.7 GHz is generated by adding one pair of quarter-wavelength varactor-loaded short-circuited stubs adjacent to the microstrip line symmetrically. In order to illustrate the effectiveness of the design, two prototypes of the antennas are designed, fabricated, and measured. A good agreement between the simulated and measured results is observed.

Wide-band waveguide and ridge waveguide T-junctions for diplexer applications

1993 ◽  
Vol 41 (12) ◽  
pp. 2166-2173 ◽  
Author(s):  
Hui-Wen Yao ◽  
A.E. Abdelmonem ◽  
Ji-Fuh Liang ◽  
Xiao-Peng Liang ◽  
K.A. Zaki ◽  
...  
Keyword(s):  
Wide Band ◽  
Ridge Waveguide

scholarly journals Study and analysis of discontinuity by using taper baluns

2015 ◽  
Vol 4 (2) ◽  
pp. 283
Author(s):  
Hussein Aldahhan ◽  
Bashar Qas Elias
Keyword(s):  
Reflection Coefficient ◽  
Transmission Line ◽  
Insertion Loss ◽  
Power Flow ◽  
Microstrip Line ◽  
Return Loss ◽  
Wide Band ◽  
Coplanar Stripline ◽  
Insertion Losses

A coplanar stripline (CPS) to microstrip line transition (MSL) are designed with high characteristics, such as wide band, low return loss and high insertion loss. Two types of tapers are proposed, exponential and triangular to decreases of discontinuity in the power flow in transmission line. The suggested design achieved reflection coefficient under -10 dB over wide band from 1 GHz to 3 GHz and insertion losses of less than 1 dB.

A novel wideband radial waveguide power combiner using coaxial-to-ridge waveguide transitions

2019 ◽  
Vol 90 (3) ◽  
pp. 034701
Author(s):  
Jie Deng ◽  
Qingyuan Wang ◽  
Yiming Hu ◽  
Peng Zhao
Keyword(s):  
Ridge Waveguide ◽  
Power Combiner ◽  
Radial Waveguide ◽  
Waveguide Transitions

A Wide-Band, High Isolation UHF Lumped-Element Ferrite Circulator

2013 ◽  
Vol 23 (6) ◽  
pp. 294-296 ◽  
Author(s):  
Hang Dong ◽  
Jacob R. Smith ◽  
Jeffrey L. Young
Keyword(s):  
Wide Band ◽  
High Isolation ◽  
Lumped Element

Compact wide-band ridge waveguide dual-band filters

2010 ◽  
Author(s):  
Mohamed M. Fahmi ◽  
Jorge A. Ruiz-Cruz ◽  
Raafat R. Mansour ◽  
Kawthar A. Zaki
Keyword(s):  
Wide Band ◽  
Ridge Waveguide ◽  
Dual Band

Compact four-way suspended-stripline power divider with low loss and high isolation

2020 ◽  
Vol 12 (8) ◽  
pp. 749-753
Author(s):  
Song Guo ◽  
Kaijun Song ◽  
Yong Fan
Keyword(s):  
Insertion Loss ◽  
Reasonable Agreement ◽  
Microstrip Line ◽  
Return Loss ◽  
Power Divider ◽  
Mode Analysis ◽  
Analysis Method ◽  
Low Loss ◽  
High Isolation ◽  
Measured Input

AbstractA four-way suspended-stripline power divider is presented in this letter. The power dividing network is designed by using the suspended stripline, while the isolation network is designed by using the microstrip line. The vias are used to connect the power dividing network and the isolation network. The even- and odd-mode analysis method is applied to design the presented power divider. The simulated and measured results of the presented power divider show reasonable agreement with each other. The measured input return loss in the band is greater than 28 dB (7.92 to 9.53 GHz), while the measured insertion loss is less than 0.37 dB. The measured output return loss is greater than 20 dB from 7.82 to 9.86 GHz. Besides, the measured output isolation is greater than 20 dB.

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