[SI-LIST] Re: Model of the Agilent E2675A browser probe

  • From: "Moreira, Jose" <jose.moreira@xxxxxxxxxx>
  • To: "steve weir" <weirsi@xxxxxxxxxx>
  • Date: Thu, 17 Feb 2011 20:23:30 +0100

Thanks steve.
A reply from another si list member pointed me to the agilent 54855-92001.pdf 
document which contains the SPICE model of the probe. So I'm now OK altough I 
would be even better if that fixes my simulation/measurement correlation :).

Jose

On Feb 17, 2011, at 7:56 PM, "steve weir" <weirsi@xxxxxxxxxx> wrote:

> 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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