[time-nuts] An other project

cfo xnews3 at luna.dyndns.dk
Wed Nov 21 19:47:38 UTC 2012


On Tue, 20 Nov 2012 16:13:51 -0500, EWKehren-YDxpq3io04c wrote:

> I did mention a MAX 3000 implementation of a 1 pps generator. The
> attached picture shows the prototype. This came about to generate timing
> signals to test the counters. It is a TADD-2 Mini on steroids. Besides
> the Wenzel input and  4 outputs parraleled with resistors it has
> presently 6 inputs for output  selecting  or synchronizing and 6
> additional outputs. Example duty cycle,  frequency out of the 50
> ohm.This is a good example of the flexibility of the use  of this IC. If
> there is interest maybe we can agree on a couple of versions and  find
> some one in the US and some one in Europe to sell a kit. Juerg and I are
>  not getting in the kit business but it may be a precursor when D/M
> systems will  roll out. At 25 $ in the US and 20 Euro in the EU who ever
> does it will make a  little money for their trouble. That price would
> include shipping!
> Members can also use the unit to knit their own version, IC's can be
> reprogrammed. This is also the board that was used to do the jitter
> test. Passed with flying colors. Let me know what you think but I will
> not take orders, but  find a way to make it available if there is
> interest Bert Kehren.

Maybe it would be possible to use this board for the logic (Xilinx 
though) , but it's available in US & EU 

http://dangerousprototypes.com/docs/
CPLD:_Complex_programmable_logic_devices
http://www.seeedstudio.com/depot/xc2c64a-coolrunnerii-cpld-development-
board-p-800.html?cPath=174
http://www.seeedstudio.com/depot/xc9572xl-cpld-development-board-
p-799.html


That would take care of the SMD stuff

CFO




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