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Message-ID:
From: "Mihaly Koltai (axelero)"
To: =?iso-8859-1?Q?Tibor_Horv=E1th?=
Subject: Fw: Technical support [03110886D6] PWL hiba ?
Date: Mon, 10 Nov 2003 12:02:22 +0100
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Szia Tibi,
Olvasd el az al=E1bbit, =E1llit=F3lag fejel lefel=E9 van. Ha a Spice =
interpreter birja a nagy t=E1bl=E1zatokat akkor ma megk=E9rhetj=FCk =
Raimundot hogy az Export gy=E1rtson PWLmakr=F3kat is.
=DCdv
Misi
----- Original Message -----=20
From: John Robson=20
To: Dr.Michael Koltai=20
Sent: Monday, November 10, 2003 5:01 AM
Subject: Re: Technical support [03110886D6]
Michael Koltai,
I have now looked at the PWL.TSC example and all is now clear. In my =
ignorance I did not know that SPICE had a PWL function!
You might like to note that the waveform illustrated in the PWL =
schematic is inverted (upside down). I found this a bit disconcerting =
when trying to understand the macro text. But it all worked OK when I =
connected it to a voltmeter and looked at the output. I wondered a bit =
about the transition at=20
1 ms but then noticed that you have the time as 0.955m rather than =
0.995m (no doubt just to keep the user on his/her toes!). You might =
like to correct PWL Maco to PWL Macro as well.
If you wonder what I am using TINA for, it is to simulate photoreceptor =
and retinal cell function.
Thanks again, John Robson
At 12:07 AM 11/10/2003 +0000, you wrote:
Question or Problem=20
Program TINA=20
Category Usage=20
Title Previous result as an input signal=20
Question/Problem Is it possible to use a previous result as an input =
signal?=20
Answer/Solution Unfortunately this is not too easy. One possibility to =
do it with a=20
PWL Spice mactro, see PWL.TSC in the Examples folder of TINA.=20
You can export results as a text file and use those values - after =
some editing -=20
in the macro.=20
If you need further assistance please feel free to contact me.
Best regards,
Dr. Michael Koltai=20
DesignSoft
*********************
John G. Robson PhD FRS
Senior Research Professor in Vision Science
College of Optometry, 505 J. Davis Armistead Bdg., University of =
Houston, HOUSTON TX 77204-2020
Office tel: 713 743 1807
Lab tel: 713 743 0747
Cambridge: Gonville and Caius College, Trinity St, Cambridge CB2 =
1TA
Home: Herring's House, Wilbraham Rd, Fulbourn, Cambridge CB1 5EU, UK =
(Tel: +44 1223 880277)
e-mail (always the best way to contact me as I am often somewhere =
else!): JGR11@cam.ac.uk
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Content-Type: text/html;
charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
charset=3Diso-8859-1">
Szia Tibi,
Olvasd el az al=E1bbit, =E1llit=F3lag =
fejel lefel=E9 van.=20
Ha a Spice interpreter birja a nagy t=E1bl=E1zatokat akkor ma =
megk=E9rhetj=FCk Raimundot=20
hogy az Export gy=E1rtson PWLmakr=F3kat is.
=DCdv
Misi
----- Original Message -----=20
From: title=3Djgr11@cam.ac.uk href=3D"mailto:jgr11@cam.ac.uk">John Robson =
To: href=3D"mailto:m.koltai@mail.datanet.hu">Dr.Michael Koltai
Sent: Monday, November 10, 2003 5:01 AM
Subject: Re: Technical support [03110886D6]
Michael Koltai,I have now looked at the PWL.TSC =
example=20
and all is now clear. In my ignorance I did not know that SPICE =
had a PWL=20
function!You might like to note that the waveform illustrated in =
the PWL=20
schematic is inverted (upside down). I found this a bit disconcerting =
when=20
trying to understand the macro text. But it all worked OK when I =
connected=20
it to a voltmeter and looked at the output. I wondered a bit about =
the=20
transition at 1 ms but then noticed that you have the time as 0.955m =
rather=20
than 0.995m (no doubt just to keep the user on his/her toes!). You =
might=20
like to correct PWL Maco to PWL Macro as well.If you wonder what =
I am=20
using TINA for, it is to simulate photoreceptor and retinal cell=20
function.Thanks again, John RobsonAt 12:07 AM=20
11/10/2003 +0000, you wrote:
Question or Problem Program TINA=20
Category Usage Title Previous result as an input =
signal=20
Question/Problem Is it possible to use a previous result as =
an=20
input signal? Answer/Solution Unfortunately this is not too =
easy.=20
One possibility to do it with a PWL Spice mactro, see PWL.TSC in =
the=20
Examples folder of TINA. You can export results as a text file and =
use=20
those values - after some editing - in the macro. =
If you=20
need further assistance please feel free to contact me.Best=20
regards,Dr. Michael Koltai DesignSoft
face=3D"Times New Roman Baltic, Times">*********************John G. =
Robson=20
PhD FRSSenior Research Professor in Vision ScienceCollege =
of=20
Optometry, 505 J. Davis Armistead Bdg., University of Houston, =
HOUSTON TX=20
77204-2020Office tel: 713 743 1807Lab tel: 713 743=20
0747Cambridge: Gonville and Caius =
College, =20
Trinity St, Cambridge CB2 1TAHome: =
Herring's=20
House, Wilbraham Rd, Fulbourn, Cambridge CB1 5EU, UK (Tel: +44 1223=20
880277)e-mail (always the best way to contact me as I am often =
somewhere=20
else!): JGR11@cam.ac.uk
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