379998 <379...@qq.com> writes:
> Hi
>
> The spec is similar with TDC-GP22. In double-res mode, the
> resolution is 45ps, the stdev is 35ps. This unit is 55ps and
> 35ps. Not sure when the sample chip is ready. The TSSOP package is
> much more friendly to homebrew guys.
>
Indeed this looks like qu
I thought this[1] might be of interest to time nuts. It seems that some
folks have been working on one obvious application to the new tool
presented to us by the rts-sdr project: GPS reception. In addition to
some discussion of software implementation, the post has some references
to some open sour
Attila Kinali writes:
> On Thu, 22 Mar 2012 11:12:40 -0400
> Ben Gamari wrote:
>
>> > If you are really going to build your own design, then i suggest you
>> > read these papers:
>>
>> Thank you very much for this list. While I have already stumble
Thank you very much for your response. This is amazingly helpful.
Attila Kinali writes:
> On Wed, 21 Mar 2012 12:18:21 -0400
> Ben Gamari wrote:
>
>>
>> On Wed, 21 Mar 2012 09:44:14 -0500, David wrote:
>> > I am surprised it is not more accurate and precise.
Bob Camp writes:
> Hi
>
> Ok, for a legit 12 ps with 0.1 ps drift and 200 mega samples per second -
> not to many alternatives. The FPGA stuff will get you to 50 to 100 ps on the
> same basis this gets you to 12 ps. They will get you to 20 to 40 ps on a
> good day - sort of the way this chip gets
Bob Camp writes:
> Hi
>
> Are you after 12 ns or 12 ps?
>
Bah, yes, my bad: picoseconds is the relevant timescale here.
Cheers,
- Ben
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On Wed, 14 Mar 2012 15:46:48 -0700, Chuck Forsberg WA7KGX N2469R
wrote:
> Asus has a $30 Xonar PCI soundcard that should do the job.
> I have two of the the more expensive pci-e versions. Some motherboards
> can
On Wed, 21 Mar 2012 09:44:14 -0500, David wrote:
> I am surprised it is not more accurate and precise. Even old discrete
> designs can get down to 10ps or better. I wonder what market it is
> for where space is at that much of a premium.
>
Out of curiosity, would you happen to have an example
