[SI-LIST] Re: Model of the Agilent E2675A browser probe
- From: DAVID CUTHBERT <telegrapher9@xxxxxxxxx>
- To: Jack Stone <mediwheel_js@xxxxxxxxx>
- Date: Fri, 18 Feb 2011 02:20:53 -0700
You can TDR or VNA the probe and built yourself a SPICE model. I've done
this and it works.
Dave Cuthbert
On Thu, Feb 17, 2011 at 1:04 PM, Jack Stone <mediwheel_js@xxxxxxxxx> wrote:
> Jose,
> Please search for Agilents App Note: AN1419-03.
> The schematic is shown, but does not contain the values for SE vs DIFF
> Contact your local Agilent Apps engineer or login and use their IM/Email to
> obtain the specific data or model.
>
> jack ~
>
>
>
>
> ________________________________
> From: steve weir <weirsi@xxxxxxxxxx>
> To: "Moreira, Jose" <jose.moreira@xxxxxxxxxx>
> Cc: si-list@xxxxxxxxxxxxx
> Sent: Thu, February 17, 2011 10:55:31 AM
> Subject: [SI-LIST] Re: Model of the Agilent E2675A browser probe
>
> Jose are you looking for the parasitics? Off hand I recall the
> capacitance as about 0.12pF and the input resistance as 25K. It might
> be 100K. Beyond the tip parasitics, the probe becomes a black box due
> to the probe amplifier.
>
> Steve.
> Moreira, Jose wrote:
> > Hi,
> >
> > Does anyone have (or created) a model of the Agilent E2675A browser
> > probe when used in single-ended mode. I searched the web and the Agilent
> > website but the only information I get is the 6 Ghz bandwidth.
> >
> > Thanks in advance.
> > Jose
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> --
> Steve Weir
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