Enhancement of the Variable-Length-Transmission-Line design method for multi-point optimization

Distortion of the waveform on printed circuit board (PCBs) is a serious problem in higher-frequency signals transmission. To overcome this problem, we have already proposed segmental transmission line (STL). The STL divides transmission lines into multiple segments with different line widths, those...

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Bibliographic Details
Main Authors: Koizumi, N., Yoshihara, I., Yamamori, K., Yasunaga, M.
Format: Conference Proceeding
Language:English
Subjects:
Acoustic reflection
Clocks
Design methodology
Design optimization
Distortion
Distributed parameter circuits
Electronic components
Frequency
Transmission lines
Very large scale integration
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Summary:Distortion of the waveform on printed circuit board (PCBs) is a serious problem in higher-frequency signals transmission. To overcome this problem, we have already proposed segmental transmission line (STL). The STL divides transmission lines into multiple segments with different line widths, those are adjusted to reshape the signal waveform by superposition of reflected waves occurring at segment boundaries. In the previous work, we reshaped the waveform at only one point in the transmission line connected with a device at a time. This paper expands the method to reshape the waveform at two points of the devices at a time. We design a DIMM (dual in-line memory module) clock-line for high-speed computers using our new method, and show effectiveness of the method.
ISSN:1089-778X
1941-0026
DOI:10.1109/CEC.2006.1688301