[SI-LIST] Re: HSPICE Eye Diagram
- From: Long Yang <long.0.yang@xxxxxxxxx>
- To: Hermann Ruckerbauer <hermann.ruckerbauer@xxxxxxxxxxxxx>
- Date: Fri, 10 Jun 2011 13:44:02 +0800
Tracy Barclay answered the question:)
That is not the code problem. Just click the waveform and select
"Monotonic Plot" instead of "Continuous plot"
On Fri, Jun 10, 2011 at 13:05, Hermann Ruckerbauer
<hermann.ruckerbauer@xxxxxxxxxxxxx> wrote:
> Hello Alam,
>
> if you are interested you can send ascii data (two columns:
> time/Voltage) and I can import it in ADS. So you could see if its a code
> problem or your waveform is bad.
> It is not possible to send attachements to the List, but for the
> waveform you could even copy and paste the data into the e-mail (not
> sure if there is a size limit), but I guess it is better to send and
> e-mail with attachement directly to my e-mail address ....
>
> Hermann
>
>
>
> EKH - EyeKnowHow
> Hermann Ruckerbauer
> www.EyeKnowHow.de
> Hermann.Ruckerbauer@xxxxxxxxxxxxx
> Veilchenstrasse 1
> 94554 Moos
> Tel.: +49 (0)9938 / 902 083
> Mobile: +49 (0)176 / 787 787 77
> Fax: +49 (0)3212 / 121 9008
>
>
> schrieb Tracy Barclay:
>> Hi Alam,
>>
>> I cannot view your graphic but my guess is that you are seeing retrace lines
>> through the eye. You will want to right-click in the plot window and select
>> "Monotonic Plot" to get rid of the retrace lines. You may need to adjust the
>> Eyedelay parameter to center the eye diagram so it is properly centered with
>> the signal crossings at each end.
>>
>> ------------------------------------------------
>> Tracy Barclay
>> CAE
>> Synopsys, Inc.
>>
>>
>> -----Original Message-----
>> From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
>> Behalf Of Tanveer Alam
>> Sent: Thursday, June 09, 2011 11:49
>> To: 'si-list@xxxxxxxxxxxxx'
>> Subject: [SI-LIST] HSPICE Eye Diagram
>>
>> Hi All,
>> I had a question regarding eye diagram in Awanwaves. I am not able to get a
>> clean eye by using the following code
>> ************Eye Diagram for Awaves************************************
>> .param per = '480e-12' $desired eye diagram period
>> .param tsi = '4.8n' $desired eye diagram start time.
>> .probe tran
>> +eyetime1 +par
>> ('.5*(sgn(TIME-tsi)+abs(sgn(TIME-tsi)))*(TIME-tsi-per*int((TIME-tsi)/per))')
>>
>> * Bit time and rise/fall time
>> .param period = '1/6.25g'
>> .param trf = 50p
>>
>> [cid:image001.jpg@01CC269B.4CD81E00]
>>
>>
>> Please suggest me how to get a clean eye.
>>
>> Thanks in advance,
>>
>> Tanveer
>>
>>
>>
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