plot real of specturm in cadence

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Azadbakht

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hi all
i designed an lc-vco in cadence virtuoso.so i need to real plot of out put transient of vco but when i use the calculator environment and use the PSD command,the spectrum is ideal!!
how can i plot the spectrum of the out put as real?
 

Hi,

If you use tran then you can easily plot your spectrum with dBm function (if you now load resistance of course).
Or just use HB or PSS analysis and you can get output spectrum from "Direct plot" window.
 

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