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# Shankar

56 Threads found on edaboard.com: Shankar

## How Depth and Distance Calculations vary in Graph based and path based analysis?

Hi, In Advanced OCV, How is Depth calculated in Graph Based analysis and Path Based analysis?? How is Distance calculated in Graph Based analysis and Path Based analysis?? Thanks, Ravi shankar.

## introduction to wireless systems by shankar

I need this book very urgently

## How to establish the width of power ring around the chip core?

Hi siva, check Thanks shankar

## Creating LM view for reference library

yes u r right. u need to create LM view for ur reference designs. Load ur .db file using Librrary Preparation-->CreateLogicalview Thanks shankar

## Running input.scs file in Cadence

Could anyone help me in providing the scripting code for running the input.scs file in Cadence, thereby I wanted the netlist to be simulated and run, and also the outputs to be plotted? Thanks, shankar Thirunakkarasu

## Ideal Delay block in analogLib (Cadence)

Hi, When I use an ideal "Delay" block from analogLib in Cadence, with differential signal at its input, it gives the output only at its negative terminal and doesnt provide a differential output. The positive terminal is getting grounded. I would be happy if anybody could share of what is really happening here? Thanks, shankar Thirunakkarasu

## What does the conversion gain in mixer model of ADS refers to?

Hi, Could anyone please clear me whether the conversion gain in mixer model of ADS refers to Voltage conversion gain or Power Conversion gain? Thanks, shankar.T

## What does the conversion gain in mixer model of ADS refers to?

Hi, Could anyone please clear me whether the conversion gain in mixer model of ADS refers to Voltage conversion gain or Power Conversion gain? Thanks, shankar.T

## USB 2.0 module in VHDL

Hi, You need to go to and download USB functional Core which is a fully functional USB Host and port core with upto 16 end points. Vijay shankar

## Libraries for I/O and power pads

Hi ravi, Yes, there is separate library for i/o pads and power pads... For example.. tsmc will have library tpz... something like that for pad library.. Check with ur vendor.. Thanks shankar

## wht is theory behind floating pins

One more thing to be noted..u need not leave floating inputs to be left... u should tie high or tie low the inputs..If u leave inputs floating noise may tigger it and affect logic and power consumption too.. shankar

## How to make a port type file for Astro?

Hi , U can use dbSetCellPortType and declare each port as signal,power or ground.. But without FRAM view how u can access the ports.. why u cant extract pin from the GDS.? Thanks Regards shankar

## astro cell type definition file

gdsStdFillerCell FILL16MTH FILL1MTH FILL2MTH FILL32MTH FILL4MTH ...... ..... all filler cells gdsStandardCell ADDFHX1MTH ADDFHX2MTH ADDFHX4MTH ....... ........ all standard cells. Thanks Regards shankar

## .lib files with Primetime

I think primetime will use .db only. if u have library compiler in dc u can convert .lib into .db Thanks Regards shankar

## Power ring width at Encounter

u can refer to the following link regarding power plan Thanks Regards shankar

## How to open and read any GDSII files?

There is a software called GDS viewer u can see ur gds file using that. Thanks Regards shankar

## Error when creating library using milkway: Technology section is missing entirely

No u need to use file dont use lef file Thanks Regards shankar

## Help me calculate the power ring and power straps widths

Hi shankar .. Can you please explain power ring ? I know that power mesh is made its width are predefined. But this mesh is made in top metals and is widely discussed in literature.

## Spice extraction with Star-RC and Hercules

hi u say spice extraction in the sense.. I assume that u need to generate spice netlist from ur verilog netlist in hercules Using nettran command in herculese u can generate spice netlist >nettran -i -outType SPICE -outName Can u elaborate the question in detail... Regards shankar

## spef annotated in primetime

u need to read all the spef for each block... using read_parastics command.... it must work fine.. ensure that netlist is linked properly.. Regards shankar