Effects of Printed Circuit Board Transmission Lines and Loading on Gate Performance |
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Authors: | Yeargan Jerry R. Day Ray L. Nguyen Tuyen V. |
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Affiliation: | University of Arkansas, Fayetteville, AR.; |
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Abstract: | Experimental measurements were conducted on a typical high-speed logic gate (AS04) driving a similar gate(s) as a load(s) and connected via a printed circuit board transmission line. This simple system was used to investigate waveform characteristics. The results show that rise and fall times are a function of position and are linearly dependent on fanout. The gate and line parameters are estimated from these measurements using both lumped and distributed models of the loads. |
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