Microstrip filter design using direct EM field simulation

1994 ◽  
Vol 42 (7) ◽  
pp. 1353-1359 ◽  
Author(s):  
J.W. Bandler ◽  
R.M. Biernacki ◽  
Shao Hua Chen ◽  
D.G. Swanson ◽  
Shen Ye
Keyword(s):  
Filter Design ◽  
Microstrip Filter ◽  
Field Simulation ◽  
Em Field

scholarly journals Dispersion analysis of the solid helical pulse-forming line

2015 ◽  
Vol 33 (3) ◽  
pp. 405-413 ◽  
Author(s):  
Langning Wang ◽  
Jinliang Liu
Keyword(s):  
Dispersion Curve ◽  
Pulse Width ◽  
Theoretical Calculations ◽  
Dispersion Analysis ◽  
Dispersion Theory ◽  
Dispersion Effect ◽  
Electric Length ◽  
Field Simulation ◽  
Dispersion Effects ◽  
Em Field

AbstractIn this paper, a solid helical pulse-forming line (HPFL) is described. The electromagnetic (EM) dispersion theory is used to calculate the important parameters of the HPFL based on tape helix model. Dispersion effects on the important EM parameters of HPFL, such as electric length and characteristic impedances, are analyzed. When Al2O3 ceramic is applied to be the dielectric in the HPFL, the pulse width of the HPFL is calculated nearly 50 ns only with the length of 305 mm. EM field simulation can draw the dispersion curve of the HPFL directly, which can describe the dispersion effect on the electric length of HPFL. Furthermore, the EM field simulation and experiments are carried out to verify the theoretical calculations of the pulse wide and characteristic impedances. Both simulation and experimental results can prove the EM analyses and calculations in this paper.

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