[SI-LIST] Re: Diode in test load

i am sorry, there is only one diode....the test
circuit is in the spec. sheet so i need to put it in
the IBIS model.


--- Tom Dagostino <tom@xxxxxxxxxxxxx> wrote:
> In your circuit I'm surprised if diodes (I see two
> of them) and the R have
> any effect at all.  To get meaningful current in the
> diodes they need to be
> forward biased, have about 0.6 or 0.7 volts across
> them.  With a 1.3 Volt
> supply I don't see how they are going to conduct
> unless they are very low
> forward voltage devices.  Drop the R and diodes and
> just put in the C.
> 
> 
> Tom Dagostino
> Device Modeling Division
> Teraspeed Consulting Group LLC
> 2926 SE Yamhill St.
> Portland, OR 97214
> (503) 430-1065
> tom@xxxxxxxxxxxxx
> http://www.teraspeed.com
> 
> 
> -----Original Message-----
> From: si-list-bounce@xxxxxxxxxxxxx
> [mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of
> Virendra
> Sent: Wednesday, November 20, 2002 2:00 PM
> To: si-list@xxxxxxxxxxxxx
> Subject: [SI-LIST] Diode in test load
> 
> 
> 
> Hello all,
> Can someone pl. tell me how i can incorporate a
> diode
> in the test load of an IBIS model. I am trying to
> draw
> a picture of the test setup below.  The diode is in
> series with the RL.
> 
> 
>            -----1.3V
>             |
>               |
>            ---
>             Diode
>            ---
>             |
>             |
>             ____
>              Diode
>           ----
>               |
>              ____
>               Rl
>              ____
>               |
> 
> DUT   --------|--------------OUT
>               |
>            ____
>            Cl
>            ----
>             |
>             |
>             ----GND
> 
> Thanks in advance,
> 
> Virendra
> 
> Virendra Adsure
> viru@xxxxxxxx
> 
> 
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