|Subject:||Re: [Discuss-gnuradio] 64MHz USRP Oscillator|
|Date:||Wed, 23 Jul 2008 15:57:19 -0700|
|User-agent:||Thunderbird 220.127.116.11 (Windows/20070326)|
Wireless Monster wrote:
Hi All,I am having lots of issues with the USRP 64MHz (20ppm) on board oscillator which does not allow me to get exact and constant RF frequencies out of the RFX900 board. I can not really fix that in SW so I was thinking about replacing the 64MHz crystal with a more precise one. Has anybody a suggestion of which part to use?
I have replaced the crystal with the 20ppm crystal, but I was unable to get an "exact and constant" frequency. I ultimately added a software PLL to track the clock errors. Before I upgraded my software PLL, I used a signal generator as an external clock source which worked very well.
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