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ADEXL sweep dc parameters

TFTIC

Hi,

I have made a top schematic connected to four voltage sources vdc named V1, V2, V3 and V4. In the schematic I define

the dc voltage (values) of each say: Vone, Vtwo, Vthree, Vfour.

I use ADEXL and for the first two I define in the ADEXL through the Global Variables three values for each of  Vone and Vtwo.

From now and on starts my problem:
I want to sweep Vthree and Vfour 0-->Vdd and Vdd-->0 respectively (I want to use Vdd which it's value depends on the corner, so I do not want to use specific value for Vdd). When I try through the schematic of ADEXL-->Variables Assistant-->Parameters tab and by using the from/to option 0-->Vdd and Vdd-->0 the ADEXL doesn't allow me to do this sweep (it seems that it expects a value for Vdd).

Any suggestions to resolve this dc sweep problem?

BR

G 

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