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Single-Shot Precision of Time-to-Digital Converter

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Ramakrishna_444

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Hey All,

How to measure the Single-Shot Precision of my designed Time-to-Digital Converter..?

I'm working on Cadence Virtuoso Design Environment.

Thanks in advance.......
 

You wanna measure "window width" of a single-shot wide pulse ??
 

Thanks a lot for your kind response.

My intention is to plot the following plot.

Please follow the attachment...


 

Parametric analysis, varying pulse width, cross() function
in Calculator, plot result.
 

Thanks a lot for your reply
Code:
dick_freebird
.

I've designed Vernier Delay Line TDC, So Start and Stop signals are there, rather than pulse Input. I'm using vpwl to generate Start and Stop signals. I'm using Fixed Start Signal and varying Stop signal that's how I'm observing Thermometer Codes.

Could you please elaborate how to measure the Single Shot Precision...?

Hope to hear from you soon.
 

In this case you would measure by cross() the start and stop,
difference being the single shot time. Use realistic threshold
for the (digital) signals. This will be your X axis (in Cadence
you change the chart X-axis properties from time, to the
Calculator expression for delta-time.
 
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