OpAmp
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After doing a jitter simulation using PSS+Pnoise simulation on an oscillator, in the “Direct Plot Form” in “Affirma Analog Design Environment”, there are four analysis: “pss”, “pnoise”, “pnoise modulated” and “pnoise jitter”. We can plot phase noise of the oscillator with two different methods: 1- Analysis=pnoise, Function=Phase Noise 2- Analysis=pnoise jitter, Function=Phase Noise
The result of the second approach is 3dB higher. Can somebody explain for me the difference?
Thanks
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