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Recent content by gen0357

  1. G

    How to import layout from Virtosuo to Encounter

    Yes, that is the case if you are using the OA (Open Access) database. But for that your analog design should also be in OA format. I don't think any additional license are require.
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    What are tools available in market to measure IR drop?

    HSIM RA & VAVO are for analog designs only. For digital design following tools are available. PrimeRail from Synopsys. VoltageStorm from cadence. Added after 2 minutes: check this topic also
  3. G

    what are remedies for IR drop

    Following could be the solution For static IR drop : revise your power N/W (Increase the no. of power strips etc.) For dynamic IR drop : Insert the Decap cells.
  4. G

    lef file(*.lef) format specifications

    You will find it in Cadence's SOC encounter user manual. There is a section on lef_def_userguide.
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    Rabaey video lectures

    How exactly you have tried? The lectures are in .rm stream format. So to download it, you need a .rm stream downloader. Search on the google/ download.com. You will find lots of .rm downloader software.
  6. G

    A Question About Delta Sigma Modulators

    Hi naalald, The question is too abstract to answer If possible, share more details about your system (Schematic of both MATLAB & SPICE etc).
  7. G

    A Question About Delta Sigma Modulators

    There is maxim application note which describe the matlab routine for the spectral analysis. Check the attachment. Otherwise there is a routine for SNR calculation in DEL-SIG toolbox. If anybody know the algorithm of this DELSIG routine, please share.
  8. G

    How to convert floating point to bits in MATLAB?

    There is a "quantize" function available in MATLAB which will directly convert the floating point numbers into fixed-point number of desired word length.
  9. G

    suggest Books for following topics

    For semiconductor technology. Following are the must have in library. ( considered as a bible in the field) Silicon Processing for the VLSI Era, Vol. 1: Process Technology by Stanley Wolf Silicon Processing for the VLSI Era, Vol. 4: Deep-Submicron Process Technology by Stanley Wolf Silicon...
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    the lef file used in soc encounter

    For digital design two types of LEF file. For standard cell library std_cell_ tech.lef : Defines the technology information. std_cell.lef : Defines the std. cell macro definition. Similarly for IO library. IO_lib.lef : Defines the IO macro definition. The sequence for importing in SOC...
  11. G

    Cadence layout to Mentor graphics

    As you want to insert PADS in mentor. Use ICStation (Mentor's layout editor) to read .GDSII directly. You also require the technology file in Mentor format.
  12. G

    What is HFN and how to do it using Encounter ?

    Re: What is HFN? HFN is high fanout nets (like reset etc.). If you don't want to balance the skew, than no need to worry, Encounter can automatically take care of it. But if you want to balance the skew. Simple option is to use the CTS algorithm, instead of specifying clock, specify the HFN...
  13. G

    Rabaey video lectures

    You have not mention the course name. For advance digital integrated circuit. (EE241) https://webcast.berkeley.edu/course_details.php?seriesid=1906978280 & For EE 141 Introduction to Digital Integrated Circuits https://webcast.berkeley.edu/course_details.php?seriesid=1906978505
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    How to import layout from Virtosuo to Encounter

    Actually You should not use the .GDSII directly. Because to reduce the size of internal database Encounter only deals with abstract views (.LEF). Which contains the information about the Metal obstrct (Region where metal should not be routed by Encounter) & contact details. As suggested by...
  15. G

    SNR degradation due to decimation filter in sigma-delta ADC

    Re: SNR degradation due to decimation filter in sigma-delta Thanks for the reply RBB. I have already simulated in MATLAB and check the SNR. But I found significant degradation in SNR. So I would like to know if any mathematical equation/theory is available to predict the in-band noise after...
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