Waveform relaxation synthesis of time-domain characteristic model of loaded microstrip from FDTD simulation

From the finite-difference time-domain (FDTD) simulation of response voltages and currents of a microstrip terminated by a step-pulse excitation voltage source and a resistor load, the time-domain characteristic model (TDCM) of the microstrip is synthesized by use of the waveform relaxation method,...

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Bibliographic Details
Published in:IEEE microwave and guided wave letters 1997-06, Vol.7 (6), p.162-164, Article 162
Main Authors: CHU, Q.-X, CHANG, F.-Y
Format: Article
Language:English
Subjects:
Applied sciences
Capacitors
Circuit properties
Circuit simulation
Deconvolution
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Finite difference methods
Laplace equations
Load modeling
Microstrip
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Resistors
Time domain analysis
Voltage
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Summary:From the finite-difference time-domain (FDTD) simulation of response voltages and currents of a microstrip terminated by a step-pulse excitation voltage source and a resistor load, the time-domain characteristic model (TDCM) of the microstrip is synthesized by use of the waveform relaxation method, which is based on the iteration and deconvolution techniques. As an example, the extracted model is applied to simulate the responses of the microstrip loaded by a capacitor and a resistor in parallel. The results are compared with the direct FDTD simulation to validate the accuracy of the model.
ISSN:1051-8207
1558-2329
DOI:10.1109/75.585204