分析大规模射频电路的有效程序

2006 IEEE Dallas/CAS Workshop on Design, Applications, Integration and Software Pub Date : 2006-10-01 DOI:10.1109/DCAS.2006.321034

J. Dobes

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引用次数: 1

摘要

大多数CAD工具的灵敏度分析模式有限:PSPICE只包含静态模式，SPECTRE包括频域和静态模式。然而，许多射频系统使用对称结构来增强电路的性能。对于这类系统，静态灵敏度原则上为零，因此必须采用时域灵敏度分析。本文利用隐式积分算法的副产物，导出了时域灵敏度分析的递推公式。此外，对于混合产物的快速估计，描述了一种有效的方法，该方法在PSPICE中也没有实现。通过对四象限射频乘法器的分析证明了这两种方法

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Efficient Procedures for Analyzing Large-Scale RF Circuits

The majority of CAD tools have limited modes of the sensitivity analysis: PSPICE only contains a static mode and SPECTRE includes frequency domain and static modes. However, many RF systems use symmetrical structures for enhancing the properties of the circuits. For such systems, the static sensitivities are zero in principle and therefore the time domain sensitivity analysis must be used. In the paper, a new recurrent formula for the time domain sensitivity analysis is derived, which uses by-products of an implicit integration algorithm. Moreover, for a very fast estimation of mixed products, an efficient procedure is described, which is also not implemented in PSPICE. Both methods are demonstrated by analyses of a four-quadrant RF multiplier

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2006 IEEE Dallas/CAS Workshop on Design, Applications, Integration and Software

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