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[Help-gnucap] Question about reporting of the value of a current
From: |
dev |
Subject: |
[Help-gnucap] Question about reporting of the value of a current |
Date: |
Wed, 20 May 2015 20:03:51 -0400 |
User-agent: |
Roundcube Webmail/0.9.5 |
Hi,
This question is about the reporting of the value of a current.
I have a test-case as follows:
_______________________________________________________________________
MN D G 0 SUB_V NMOS
+ w=40u l=5u nrd=1 nrs=1 ad=205p pd=90u as=205p ps=90u
.MODEL NMOS NMOS
+LEVEL=49 VERSION=3.1 CAPMOD=2 MOBMOD=1
...
...
VDS D 0 3.3
VSUB SUB_V 0 0
VG G 0 3.3
.PRINT OP V(G) V(D) I(IDS.MN) I(VDS)
.OP
.END
_______________________________________________________________________
The result of running this is as follows:
_______________________________________________________________________
# V(G) V(D) I(Ids.MN) I(VDS)
27. 3.3 3.3 0.0023209 -0.0023209
_______________________________________________________________________
Why is the result of I(VDS) negative?
Thanks in advance for your help.
Regards.
Brunno
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