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Group Delay measurement in Cadence (Read 3764 times)
Larry_80
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Group Delay measurement in Cadence
Aug 13th, 2011, 5:07pm
 
Could someone please put me through how to plot/measure the average group delay vs frequency of a TransImpedance Amplifier in Cadence. Is it possible to plot -d(phase)/dw, if i recall, that's the definition of group delay! If i haved to find the derivative of the phase to do this, how do i plot phase in cadence? Thanks
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rfcooltools.com
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Re: Group Delay measurement in Cadence
Reply #1 - Sep 7th, 2011, 5:29pm
 
Larry_80,

Depending on the version of cadence you are using it should be an explicit function in the calculator called "groupDelay".  

http://rfcooltools.com
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rfidea
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Re: Group Delay measurement in Cadence
Reply #2 - Sep 21st, 2011, 12:01pm
 
Or you can use the deriv() function if you like, deriv(phase(VF("/vout"))/2/pi
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