Efficient nonlinear distortion analysis of RF circuits

Authors:
Dani Tannir;Roni Khazaka
Affiliations:
McGill University, Montreal, Canada;McGill University, Montreal, Canada
Venue:
Proceedings of the conference on Design, automation and test in Europe
Year:
2007

Citing 3
Cited 0

A new high-order absolutely-stable explicit numerical integration algorithm for the time-domain simulation of nonlinear circuits

ICCAD '97 Proceedings of the 1997 IEEE/ACM international conference on Computer-aided design
RF microelectronics

RF microelectronics
Distortion Analysis of Analog Integrated Circuits

Distortion Analysis of Analog Integrated Circuits

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Abstract

Nonlinear distortion, typically defined using the third order intercept point (IP3), is one of the key figures of merit that are critical in the design of RF communication circuits. The calculation of IP3 is typically based on analytical approaches such as Volterra Series which are very complex and difficult to apply to circuits of arbitrary complexity, or on simulation based methods which require multi-tone inputs and thus result in a very high CPU cost. In this paper a new method based on the computation of the circuit moments is proposed. The new approach uses the circuit moments in order to numerically compute the Volterra kernels. This automates the process of numerically obtaining such kernels for any circuit and results in an efficient approach for the computation of IP3.