[time-nuts] Acam TDC's

paul swed paulswedb at gmail.com
Mon Apr 7 14:24:21 EDT 2014


Thanks everyone. At last a price.
Regards
Paul
WB8TSL


On Mon, Apr 7, 2014 at 1:41 PM, Don Latham <djl at montana.com> wrote:

> Here is the answer from the US Distributor. I won't be following up,
>  Thanksgiving plate already.  If I were buying, I'd get it from the
> Chinese? 5 for $70
> Don
>
> Thank you for your inquiry. May I please get your company name, location
> and contact information? We have several Sales Managers that handle North
> America and we can send you a formal quotation, however, the price of the
> TDC GP22-EVAL-KIT is $999.00. As far as the chips go, the following
> represent the price breaks:
>
> 1-9          $24.90
> 10-49     $20.66
> 50-99     $16.45
> 100-249$13.44
> 250         $11.76
>
> The delivery is 2-3 weeks ARO if we do not have inventory.
>
> Best Regards,
>
> Jim Kunz
>
>
> Jim Kunz
> National Sales Manager
> Precision Measurement Technologies
> 4400 140th Avenue North, Suite 100
> Clearwater, FL 33762
> Office: 727-475-6019
> Cell:  321-795-3359
> Jim_Kunz at pmt-fl.com
> www.pmt-fl.com
> On Apr 7, 2014, at 11:35 AM, Javier Herrero <jherrero at hvsistemas.es>
> wrote:
>
> > On 07.04.2014 18:51, Dan Kemppainen wrote:
> >>> At which resolution do you wish to get 40Msps? Tell me the single-shot
> >>> jitter figure. So far we had only several ksps of throughput in our TDC
> >>> circuit, but the bottleneck lies within a computer interface.
> >>>
> >>> Anyway, it is not an easy task to get some 200MB/s into the computer
> in a
> >>> sustained fashion. (And to process such amounts of data in real time is
> >>> hard, too.)
> >>>
> >> The plan was to pair it with a FPGA to make decisions on the data. The
> >> result of the decisions would have been passed further down the digital
> >> signal chain. In order to achieve what we needed to see, we would have
> >> had to measure time with a resolution on the order of 50pS, at a rate of
> >> 30 to 40 million times per second.
> >>
> >> Eventually we went to a high bandwidth analog system, and were able
> >> achieve our goals. It would have been nice to do it digitally, though.
> >>
> >> That was a few years ago, and it feels like ancient history now! :)
> > Nowadays you could use the TSH788 from TI, 200Msps @ 13ps if I remember
> well. Once was commented on the list, and I've one piece lying around, but
> have not yet found time to play with it.
> >
> > Regards,
> >
> > Javier
> >
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