[time-nuts] Digital Mixing with a BeagleBone Black and D Flip Flop

Bruce Griffiths bruce.griffiths at xtra.co.nz
Thu Oct 16 04:07:15 EDT 2014


http://trs-new.jpl.nasa.gov/dspace/bitstream/2014/36903/1/01-2617.pdf

among other things illustrates a modified approach to the offset generator by replacing the intermediate phase locked VCXO with a bandpass filter.

Bruce



On Thursday, October 16, 2014 1:03 PM, Bert Kehren via time-nuts <time-nuts at febo.com> wrote:
 


Take a look at Potato chips yes Potato I have used them with good  results  
  Bert Kehren  

330551715157      


In a message dated 10/15/2014 6:44:47 P.M. Eastern Daylight Time,  
kb8tq at n1k.org writes:

Hi

Most ECL families have more trouble with 1/F noise than  fast silicon 
saturated logic. That makes them poor candidates for this sort of  thing. 

Bob

On Oct 15, 2014, at 9:13 AM, Gerhard Hoffmann  <dk4xp at arcor.de> wrote:

> Am 15.10.2014 um 11:29 schrieb Bruce  Griffiths:
>> Typically a 74HC164 shift register has internal cycle  to cycle sampling 
jitter of about 4ps or so when used as a mixer, a 74AC  device has about 
1/4 of this jitter or around 1ps. Faster CMOS devices have  even less internal 
jitter.
> 
> Hi,
> do you have any data  on MC100EP51 & friends? In the datasheet they seem 
to claim
> sth.  in the low ps also, which would be disappointing in comparison to 
74AC or  74LVC
> 
> regards,  Gerhard
>  _______________________________________________
> time-nuts mailing list  -- time-nuts at febo.com
> To unsubscribe, go to  
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the  instructions  there.

_______________________________________________
time-nuts  mailing list -- time-nuts at febo.com
To unsubscribe, go to  
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the  instructions there.

_______________________________________________
time-nuts mailing list -- time-nuts at febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.


More information about the time-nuts mailing list