[time-nuts] Acam TDC's

Don Latham djl at montana.com
Mon Apr 7 17:41:57 UTC 2014

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

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
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
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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