Re: [SI-LIST] : Delay lines

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From: Brad Underwood (Brad.Underwood@metera.com)
Date: Fri Jan 26 2001 - 06:50:40 PST


Opamps,

It's been my experience that you will see significant attenuation
through a delay line if it is not properly grounded. If smt, the device
should be connected to ground plane with very very short thick traces.
If through-hole, the device ground pins should connect to ground plane
through a thermal relief.

Hope this helps.

Brad

opamps cybernetics wrote:
>
> Hi Gurus,
>
> I am trying to begug a system with fixed delay lines on it. Has anybody know
> if these delay lines can cause signal drops? I am experiencing a substantial
> signal drop right after the delay line.
>
> D----TL1-------+++DL++----------------------TL2
>
> Will we see a less voltage level at TL2 than TL1?
>
> regards,
> Opamps
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