[time-nuts] Synchronisizing a 100MHz TCXO with Tbold, pse help

EWKehren at aol.com EWKehren at aol.com
Mon Sep 19 11:04:01 UTC 2011

I would use a PLL like the ADF 4001 because of its low noise floor and  
depending of which Tbolt, its phase noise is very good. The advantage is that  
you can pick the filter response in such a way that you take advantage of 
the  individual Osc. parameters.
Bert Kehren
In a message dated 9/18/2011 9:52:29 P.M. Eastern Daylight Time,  
krengeldatec at gmx.de writes:

Hello  group,
I like to synchronisize a fine 100MHz TCXO with the
10MHz output  of the Tbold. The TCXO has a EFC input.
I know this can be done
using a  PLL but I do not want to add noise 
to the very good noise parameters of  the TCXO
cause the 100MHz signal is to be used to clock 
a FPGA which  controlles fast cascaded ADCs.
Has anybody a circuit diagram to  use?
Thank you in advance
Peter,  DG4EK

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