|Subject:||Re: [Discuss-gnuradio] [USRP-users] minimum PPS voltage for N200|
|Date:||Tue, 3 May 2016 13:32:05 -0230|
The PPS input is conditioned with a:
Looks to me like it should work just fine.
On 2016-05-03 10:23, khalid.el-darymli via USRP-users wrote:Hi,I'll appreciate any help on the following. According to the link below , the PPS voltage for N200 should be in the range [3.3, 5] V p-p.
 http://files.ettus.com/manual/page_usrp2.html#usrp2_hw_ledsI am getting a PPS signal through fan-outs from an external Firefly-1A GPSDO. I measured the output PPS voltage using a scope, and it is 2.52 V p-p (terminated with 50 ohms).Would this relatively low PPS voltage work for N200? I am having a problem syncing two N200 units (2 LFRX/ 1 LFTX ), and I am not sure if this would be the cause?Thank you.Best wishes,Khalid
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