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An application of FD-TD method for studying the effects of packages on the performance of microwave and high speed digital circuits

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3 Author(s)
Ke-Li Wu ; R&D Dept., COM DEV Ltd., Cambridge, Ont. ; Chen Wu ; Litva, J.

The finite-difference time-domain (FD-TD) method is combined with an appropriate time-frequency discrete conversion technique to analyze packaging and time domain transition effects of microwave and high speed digital circuits. The output response of a given input pulse is obtained by linear convolution of the input signal with time domain system function, which is obtained through FD-TD simulation of the whole packaging system including coaxial to microstrip line transitions. As an example, a shielded microstrip line which is connected with coaxial lines, is analyzed and measured. The comparison between experimental and numerical results shows very a good agreement

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:42 ,  Issue: 10 )