IME, The different connection styles apply only to the auto router. You
can (I've used this before) select several nets (make a class for them)
and have P99SE make them the same length using the
"Tools-EqualizeNetLengths"

They don't look as nice as if you do it by hand and then just DRC the
rule, but it does work.




-----Original Message-----
From: Adeel Malik [mailto:[EMAIL PROTECTED]] 
Sent: Tuesday, August 13, 2002 7:10 AM
To: Protel EDA Forum
Subject: Re: [PEDA] Matched Lenghth Constraint


Hi Bob,
       I am not talking of routing these tracks through Auto-Router. I
wanna say that how the Design Rule Checker of Protel checks the matched
lengths and what is the effect of having various connection styles ,
e.g. 90 degree conection and 45 degree connection. Regards, Adeel

-----Original Message-----
From: Robert M. Wolfe [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, August 13, 2002 5:56 PM
To: Protel EDA Forum
Subject: Re: [PEDA] Matched Lenghth Constraint


Well ADEEL,
I am afraid that to actually have the system (99SE, don't
know about DXP) match these leghts it will not do it,
I was told any auto-router function, and this is one
will not ahere to these rules. I tried it a few times where there was
plenty of room to match the lengths of a delay loop and they were not
even close so eneded up having to manually route these. I would also
love to hear if there was a way in 99SE to get the system to match these
lengths. Bob Wolfe
----- Original Message -----
From: "Adeel Malik" <[EMAIL PROTECTED]>
To: "Protel EDA Forum" <[EMAIL PROTECTED]>
Sent: Tuesday, August 13, 2002 9:36 AM
Subject: [PEDA] Matched Lenghth Constraint


> Hi All,
>          I want to apply a matched-length constraint to the signals 
> connected to the bus. In the Protel Design Rule dialog, there are 
> mainly 2 parameters to specify, one is Tolerance (whose purpose is 
> obvious) and the other is Connection style. In connection style there 
> are three options 1)
90
> degree 2) 45 degree and 3) Rounded. Alongwith them there are also 
> options
of
> Amplitude and Gap.I couldn't understand these options so Can someone 
> tell
me
> how these options are utilized effectively while routing a bus running

> at 66MHz.
>
> Regards,
> ADEEL MALIK
>
>
>
> **********************************************************************
> **
> * Tracking #: 0E65D282D6969F409D601E4E0E422F8499FF2F09
> *
>
************************************************************************
>
>


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