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Suggest a scheme for Period measurement

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Hi,


I need to measure period of a waveform which varies from 300ns to 5us. Suggest options for FPGA or any other simple ways.

Thanks and regards
Itp
 

do you want to measure time between rings or ringing time :?:
 

Hi cesariv,

Thanks for your response.

Any scheme like digitizing of time or time to amplitude (voltage) conversion (TAC) technique with a time resolution of 1ns are acceptable .

Regards
Itp
 

I think that none counter based scheme can reach a 1 ns resolution.
Recently, I found a couple of papers which use FPGA to make a time to digital converter with a 200ps resolution, using tapped delay lines.

Trans, On Instrumentation Vol46 No1 Feb1997.
 

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