modern_analog wrote on Sep 6th, 2008, 7:37pm:When we plot in cadence, does it provide single side band or double side band ?
What simulator do you use ?
There are many simulators working on Cadence ADE.
Cadence Spectre -->> SSB Phase Noise
Agilent ADS(RFDE) -->> SSB Phase Noise
Agilent GoldenGate -->> DSB Phase Noise
modern_analog wrote on Sep 6th, 2008, 7:37pm:I guess if it is giving single side band only, i should multiply it by 2 and integrate over postive frequency to get the rms jitter. Is that correct?
Correct.
modern_analog wrote on Sep 6th, 2008, 7:37pm:A related question: When we measure on a spectrum analyzer, I believe we only measure Single sideband. Is that correct?
Old Spectrum Analyzer or VCO analyzer show SSB Phase Noise.
But relative new Spectrum Analyzer or Signal Source Analyzer show DSB Phase Noise.
See documents of your Spectrum Analyzer.
modern_analog wrote on Sep 6th, 2008, 7:37pm:In this case, again I will have to double it to integrate it.
If it is SSB Phase Noise, it is yes.
And some Spectrum Analyzer have built-in jitter calculation ability from Phase Noise Spectrum measurement.
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single side band vs double side band (Read 6749 times)