Efficient symbolic computation of approximated small-signal characteristics of analog integrated circuits

A symbolic analysis tool is presented that generates simplified symbolic expressions for the small-signal characteristics of large analog integrated circuits. The expressions are approximated while they are computed, so that only those terms are generated which remain in the final expression. This p...

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Veröffentlicht in:IEEE journal of solid-state circuits 1995-03, Vol.30 (3), p.327-330
Hauptverfasser: Wambacq, P., Fernandez, F.V., Gielen, G., Sansen, W., Rodriguez-Vazquez, A.
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container_end_page 330
container_issue 3
container_start_page 327
container_title IEEE journal of solid-state circuits
container_volume 30
creator Wambacq, P.
Fernandez, F.V.
Gielen, G.
Sansen, W.
Rodriguez-Vazquez, A.
description A symbolic analysis tool is presented that generates simplified symbolic expressions for the small-signal characteristics of large analog integrated circuits. The expressions are approximated while they are computed, so that only those terms are generated which remain in the final expression. This principle causes drastic savings in CPU time and memory, compared with previous symbolic analysis tools. In this way, the maximum size of circuits that can be analyzed, is largely increased. By taking into account a range for the value of a circuit parameter rather than one single number, the generated expressions are also more generally valid. Mismatch handling is explicitly taken into account in the algorithm. The capabilities of the new tool are illustrated with several experimental results.< >
doi_str_mv 10.1109/4.364450
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subjects Algorithm design and analysis
Analog computers
Analog integrated circuits
Applied sciences
Central Processing Unit
Character generation
Circuit analysis
Design. Technologies. Operation analysis. Testing
Electronics
Exact sciences and technology
Frequency
Integrated circuits
Performance analysis
Performance evaluation
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Transfer functions
title Efficient symbolic computation of approximated small-signal characteristics of analog integrated circuits
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