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From: "Keith Buck"
Subject: Re: O ohms in Schematic
Date: Wed, 18 Dec 2002 20:46:23 -0000
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
NNTP-Posting-Date: Wed, 18 Dec 2002 20:39:29 +0000
They are also used if the circuit is part of a scematic capture program and
can separate nodes in a netlist. This can then enable the autorouter to
force certain power or ground traces to follow different paths on the PCB
"Jim Wall" wrote in message
> If you are speciofically interested in high speed designs, the vast
> majority of zero ohm resistors are used for series termination
> placeholders. Depending of the PCB material, trace geometry and signal
> routing, the zero ohm resistor may be replaced by a resistor in the 10
> to 33 ohm range. This allows the designer to optimize his design for
> signal quality after it is layed out.
> Other people replying have indicated the other resons for being able
> to disable certain signals for testing purposes or for possible
> reconfiguring the design for different functional options.
> email@example.com (Shahrad) wrote in message
> > Hi
> > I want to know what's the meaning of the 0ohms (zero ohms) resistor in
> > some electronic schematic especially the ones that base on high speed
> > processor, like the sample schematic board for PXA250 from Intel?
> > Thanks in advance for any reply.
> > Shahrad
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