[SI-LIST] Re: HSPICE syntax

Hi Bob,

When you specify AC voltages and currents to be printed/probed in HSPICE,
they should be specified as:

Vx(node1, node2) or Ix(node1, node2)

where x can be:

DB - decibel
I - imaginary part
M - magnitude
P - phase
R - real part
T - group delay

Specifying a node voltage as:

VR(N1,N2) = REAL [V(N1,0)] - REAL [V(N2,0)]

is not necessary.  I get the impression you saw the section in the manual
describing how HSPICE calculates the complex AC quantities and thought that
you needed to use the complete equation to get the desired HSPICE results.

Tracy Barclay
CAE
Synopsys Inc.



-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx
[mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of Bob Patel
Sent: Thursday, February 27, 2003 18:20
To: si_list
Subject: [SI-LIST] HSPICE syntax



HI! I am trying to use the ac analysis output
variables and I get an warning when I use it.
e.g. .PROBE AC VR(in1,
in2)=Real[v(in1,0)]-REAL[v(in2,0)]
The warning is : could not identiry variable real[v.
I have included acout=1 in my netlsit but I still get
error for the built in functions.
Am I missing something?
THanks
Bob

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