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RFIC Oscillator: Transient versus Harmonic Balance

Question asked by katownse on Oct 6, 2004
Latest reply on Oct 11, 2004 by nilesh1
I am simulating an RFIC oscillator.  An on-chip inductor is represented as an s-parameter data file.

I am oberserving differences between harmonic balance simulation, transient simulation, transient assisted harmonic balance.  The three approaches each produce different results for DC current consumption, and therefore produce different amplitudes and frequency of oscillation.  The differences are significant.

Advice regarding the reason behind these differences and potential solutions would be appreciated.