[time-nuts] Phase noise measurement experiment by Andrew Holme

[Bruce Griffiths]

The 16 bit ADCs (at least the LTC lower sample rate ones ) tend to be a few dBc/Hz quieter.

However the difference is < 12 dBc/Hz.

Bruce

> 
>     On 27 October 2017 at 14:35 Li Ang <379998 at qq.com> wrote:
> 
>     Hi
>     I just found Andrew recently post a phase noise measruement page on www.aholme.co.uk/PhaseNoise/Main.htm .
> 
>     He uses 4-channel 14bit ADC to do the sampling work. -170dBc noise floor seems not bad for me.
> 
>     Since the cross correlation could reduce noise a lot, I am wondering what the differences between 14 bits and 16 bits ADC are.
> 
>     Regards
>     Li Ang / BI7LNQ
> 
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