TRANSIENT SIMULATION OF LOSSY COUPLED TRANSMISSION LINES CHARACTERIZED WITH FREQUENCY-DEPENDENT PARAMETERS

1992 ◽  
pp. 111-145
Author(s):  
FUNG-YUEL CHANG ◽  
OMAR WING
Keyword(s):  
Transmission Lines ◽  
Transient Simulation ◽  
Frequency Dependent ◽  
Coupled Transmission Lines

TRANSIENT SIMULATION OF LOSSY COUPLED TRANSMISSION LINES CHARACTERIZED WITH FREQUENCY-DEPENDENT PARAMETERS

1991 ◽  
Vol 02 (04) ◽  
pp. 319-353 ◽  
Author(s):  
FUNG-YUEL CHANG ◽  
OMAR WING
Keyword(s):  
Fourier Transform ◽  
Fast Fourier Transform ◽  
Transient Response ◽  
Discrete Time ◽  
Transmission Lines ◽  
Method Of Characteristics ◽  
Transient Simulation ◽  
Waveform Relaxation ◽  
Frequency Dependent ◽  
Coupled Transmission Lines

The method of characteristics is generalized to simulate the transient response of coupled transmission lines, which are characterized with frequency-dependent parameters. The discrete-time transient simulation is carried out from the equivalent decoupled transmission lines with an arbitrary set of characteristic impedances. The method eliminates the time-consuming convolution integration and has been adapted for iterative waveform relaxation simulation using the Fast Fourier Transform (FFT) for reduction of simulation cost. Examples are given to substantiate the accuracy and the efficiency of both discrete-time and waveform relaxation simulations.

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