Kristya
Junior Member level 1
I have a question. What's the authentic method to quantify the jitter when simulating the PLL used as a clock.
I've tried two ways. First, do the transient simulation and use the eye diagram function in cadence to see the peak-to-peak jitter. As for this method, is the transient noise necessary(as picture shown).If yes, how to set the max noise frequency(I think the oscillator frequency is ok)? As some paper state, without the transient noise the output only indicates the deterministic jitter, so the transient noise is necessary for including the random jitter. Is this right?
The second is to fit the total phase noise curve and do the transform calculation. which method is more accurate when simulation?
I've tried two ways. First, do the transient simulation and use the eye diagram function in cadence to see the peak-to-peak jitter. As for this method, is the transient noise necessary(as picture shown).If yes, how to set the max noise frequency(I think the oscillator frequency is ok)? As some paper state, without the transient noise the output only indicates the deterministic jitter, so the transient noise is necessary for including the random jitter. Is this right?
The second is to fit the total phase noise curve and do the transform calculation. which method is more accurate when simulation?