Time-Domain Non-Monte Carlo Noise Simulation for Nonlinear Dynamic Circuits with Arbitrary Excitations

  • Alper Demir
  • Edward W. Y. Liu
  • Alberto L. Sangiovanni-Vincentelli


A new, time-domain, non-Monte Carlo method for computer simulation of electrical noise in nonlinear dynamic circuits with arbitrary excitations is presented. This time-domain noise simulation method is based on the results from the theory of stochastic differential equations. The noise simulation method is general in the sense that any nonlinear dynamic circuit with any kind of excitation, which can be simulated by the transient analysis routine in a circuit simulator, can be simulated by our noise simulator in time-domain to produce the noise variances and covariances of circuit variables as a function of time, provided that noise models for the devices in the circuit are available. Noise correlations between circuit variables at different time points can also be calculated. Previous work on computer simulation of noise in integrated circuits is reviewed with comparisons to our method. Shot, thermal and flicker noise models for integrated-circuit devices, in the context of our time-domain noise simulation method, are described. The implementation of this noise simulation method in a circuit simulator (SPICE) is described. Two examples of noise simulation (a CMOS ring-oscillator and a BJT active mixer) are given.


Stochastic Differential Equation Noise Source Flicker Noise Nonlinear Circuit Noise Simulation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media New York 2003

Authors and Affiliations

  • Alper Demir
    • 1
    • 2
  • Edward W. Y. Liu
    • 1
  • Alberto L. Sangiovanni-Vincentelli
    • 1
  1. 1.Department of Electrical Engineering & Computer SciencesUniversity of CaliforniaBerkeleyUSA
  2. 2.Koç UniversityIstanbulTurkey

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