[SI-LIST] Re: impedance question
- From: "Ray Anderson" <ray.anderson@xxxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Fri, 21 Mar 2008 06:24:59 -0700
Mustafa-
50 Ohm +/- 5% would be 50 +/- 2.5 ohms (47.5 ohms to 52.5 ohms)
50 Ohm +/- 10% would be 50 +/- 5 ohms (45 ohms to 55 ohms)
It would take tighter control efforts with the smaller tolerance (+/-5%)
-Ray
Senior signal Integrity Staff Engineer
Xilinx Inc.
> -----Original Message-----
> From: si-list-bounce@xxxxxxxxxxxxx =
[mailto:si-list-bounce@xxxxxxxxxxxxx]
> On Behalf Of Mustafa =D6zg=FCr TUTUM
> Sent: Friday, March 21, 2008 5:14 AM
> To: si-list@xxxxxxxxxxxxx
> Subject: [SI-LIST] impedance question
>=20
> Dear all,
>=20
>=20
> I think, I misunderstood smt about impedance tolerance.
>=20
> Which one is tighter? Which one is harder to control? 50 Ohm +/- 5% or =
50
> Ohm +/- 10 %. I have read that 10% is much tighter and hard to =
control. I
> could not understand the reason.
>=20
> Thanks for your interest.
>=20
>=20
>=20
> System Design Engineer
>=20
> Vestel Digital Company
>=20
>=20
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