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# Calculator Psd

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8 Threads found on edaboard.com: Calculator Psd

## Power Spectral Density (psd) Function in cadence

Hi, Using cadence ADE calculator , there is a psd function. First you need to carryout transient simulation and then apply it to the signal. However, this may result with a long simulation time, and creating in equivalent small signal model might be useful. Good Luck !

## How to use 'PLL noise PSD' for Cadence virtuoso Analog Design Environment ?

Hi, You can use the psd function of the calculator. For more details take a look at this document (p. 89):

## how to do the PSD simulation with cadence calculator

Hello, How to do the simulation of psd. I tried to use the psd function in Caculator based on the CDSDOC tutorial. However, I did not get the correct cruve based on the theory. Maybe some steps is incorrect. Does anybody can kindly tell me how to do it? I appreciate your help very much.

## help for pll spur simulation

Hi, Plot the power spectrum density of your signal using the psd function of the calculator. You'll be apple to see the spurs.

## HOW to use the 'psd' function in the spectre calculator?

Thank you Aya2002, i mean the function 'psd' in the Candence calculator , how to set the function's blank .Dose the 'From' 'to' mean the time interval i have simulate?

## [20 pts] Spectre and Frequencuy Interval

Hi all, I have one little problem in my work. By using the calculator I'm able to calculate the frequency of my signals. Since the calculator measures an average value, the frequency calculated is a little bit different from the expected one. Who can tell me how can I indicate some markers, between which the calculator measure the (...)

## How to simulate SNR & SNDR in cadence ?

Using dft of calculator function,and you can get HD3 and SNDR.

## how to get SNR in Candece's affirma analog enviroment?

i run .tran analysis, then plot the psd from the calculator, but how to normalized the psd and how to calculate the SNR?