Here is a low phase noise oscillator circuit for a Analog Devices AD9850
DDS:

http://www.analog.com/UploadedFiles/...13367an419.pdf

73,

Mike N2MS



"Mario Bros" wrote in message
...
Hi folks,
I have acquired of the MESA Quartz Crystals to approximately 160 Mhz
fundamental AT.
Someone knows some circuit for their use?
73's de IK6GQC Rocco