Re: [Discuss-gnuradio] About synchoronization of usrp2.

[Matt Ettus]

周亮 wrote:
> Hi,
> anybody test the synchronization with reference clock of usrp2? Now with 
> command
> 
> 
> clocks_enable_test_clk(true, 1);

That line turns on the test clock output, but doesn't turn on locking.
In order to turn on locking you need to add this as well:

clocks_mimo_config(MC_WE_LOCK_TO_SMA);

> I still get drifting between J503 and reference clock,is there anybody make 
> it works?

Burn the attached image on your SD card and I think you'll see it lock.

Matt

txrx-reflocktest.bin
Description: Binary data