[time-nuts] FE5680 DDS plot

Scott Newell newell+timenuts at n5tnl.com
Fri Feb 3 01:24:42 UTC 2012

At 03:20 AM 2/2/2012, Javier Herrero wrote:
>I forgot... have you had the opportunity to check if the difference 
>between the two DDS programming words is the same in all cases? All 
>my readings leds to 1400.00x Hz, I've not looked at it but probably 
>the difference in DDS counts is constant.

So far, it's been a constant 1400.001347 Hz.  But I've not dialed in 
a range of offsets yet.

According to cmd 0x22, my non-locking unit appears to startup with 
the DDS at 2.527819 and 18.755189 MHz. (!)

newell  N5TNL 

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