Computer-aided design and analysis of circuits and semiconductor – Nanotechnology related integrated circuit design
Reexamination Certificate
2006-09-12
2006-09-12
Kik, Phallaka (Department: 2825)
Computer-aided design and analysis of circuits and semiconductor
Nanotechnology related integrated circuit design
C716S030000, C703S002000
Reexamination Certificate
active
07107555
ABSTRACT:
An method and apparatus for designing a high-frequency circuit perform replacing component items by component equivalent circuits in which corresponding component items have frequency characteristics, calculating evaluation data items for the replaced component equivalent circuits, while changing frequency, by a polynomial-frequency-function expression, obtaining the frequency characteristics of the component items, and evaluating circuit characteristics. When the result of evaluation indicates that the targeted circuit characteristics cannot be obtained, at least one of the component equivalent circuits in the circuit model is replaced by another component equivalent circuit corresponding to a component item having different electrical characteristics. The expression is used to calculate again evaluation data for evaluating the replaced component equivalent circuit, and circuit characteristics are evaluated again by using frequency characteristics based on the calculated evaluation data items.
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Shimizu Masayuki
Yokoyama Naoto
Kik Phallaka
Knobbe Martens Olson & Bear LLP
Taiyo Yuden Co. Ltd.
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