[PCB_FORUM] Re: Can I feed Ideal Square wave in Spectraquest?
- From: "Naren" <naren@xxxxxxxxxx>
- To: icu-pcb-forum@xxxxxxxxxxxxx
- Date: Tue, 5 Apr 2005 13:37:58 +0530 (IST)
Hi
Thanks for reply.
But my problem is File_name_JP_2 (Which we are feeding to circuit) itself
is distorted !!!
rjbzxr@xxxxxxxxxxxx said:
> Hi Naren,
>
> The 2 waveforms are for the internal and external pins of your package..
> i.e.
> File_name_JP_2 = Waveform result including pin parasitics
> File_name_JP_2i = Waveform result excluding pin parasitics or you could
> say "The internal signal is on the die side of the package parasitics
> (internal to the chip)"
> ** If all of the package parasitics are set to zero, then a single
> waveform will be displayed.
>
> Regarding the Square wave.. you can apply a PULSE to the driver or a
> custom stimulas like 0 1 0 1 0 1 .. so it repeats to create the square
> wave ? Just click on the Drivers Name "TRISTATE" and then change the
> stimulas.
>
>
>
>
> "Naren" <naren@xxxxxxxxxx> wrote:
>
>>Hi SI Gurus !
>>
>>I am using spectraquest 15.2 for signal integrity.
>>
>>I have some questions as under !!
>>1) In Sig Wave two waveforms are showing for same pin like
>> File_name_JP_2 & other is File_name_JP_2i
>> What does it mean by both?
>>2) Can we feed Ideal square wave at driver end ?
>> I want to see the signal distortion due to pin parasitic, trace
>>geometry, via characteristics & so on..
>>
>>Please reply me for this Please !!
>>
>>Thanks in advance !!
>>--
>>"Keep looking foreward"
>>
>>Regards
>>Naren Thesia
>>Member CAD
>>D'GIPRO SYSTEMS PVT. LTD. BANGALORE
>>TEL: 080-25219017/18 (O)
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>
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--
"Keep looking foreward"
Regards
Naren Thesia
Member CAD
D'GIPRO SYSTEMS PVT. LTD. BANGALORE
TEL: 080-25219017/18 (O)
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