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How should I apply PSS/PAC of Cadence Spectre for VCO

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alizadeharand

alizadeharand

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cadence pac run for vco

I am about to run a Pac for vco!

i want to insert a current source instead of noise source and see the gain.

how can i do this?
 

cadence pac run for vco

Insert it in your schematic.
 

Re: cadence pac run for vco

What do you mean?!!
 

Re: cadence pac run for vco

alizadeharand said:
What do you mean?!!
Click to expand...
erikl said:
Insert it in your schematic.
Click to expand...
"it" means "a current source".

You yourself describe like following.
alizadeharand said:
i want to insert a current source instead of noise source and see the gain.
Click to expand...

alizadeharand said:
I am about to run a Pac for vco!
Click to expand...
What do you mean by "Pac" ?

I can't understand a meaning of it even from "cadence pac run for vco" at all.

There are many simulators which have analysis called as PAC.
Always describe vendor's name and tool's name which you use as tool or simulator.

If you mean PSS/PAC of Cadence Spectre, erikl's reply very makes sense.
Also I can't understand why you refer "noise source" in PAC analysis.
Do you understand PSS/PAC analysis correctly ?

Corresponding analysis of Pnoise is PXF analysis not PAC analysis.
See https://www.designers-guide.org/Forum/YaBB.pl?num=1263203132/1#1
 

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