Re: [Discuss-gnuradio] USRP2 External Clock

[Kyle Pearson]

I'm aware that the internal clock can be locked to an external 10MHz
reference. I take it that there is no way to use an external 100MHz
clock instead of the internal clock then.

-Kyle

On Wed, Oct 22, 2008 at 4:17 PM, Eric Blossom <address@hidden> wrote:
> On Wed, Oct 22, 2008 at 04:12:07PM -0400, Kyle Pearson wrote:
>> I'm wondering if it is possible to connect the USRP2 to an external
>> 100MHz clock like the USRP was able to be modified so it could connect
>> to an external 64MHz clock. I don't see any place to solder on a SMA
>> connector but there are a set of pins labeled Test CLK. Could that be
>> used for inputting an external clock or is it just for testing the
>> clock output?
>>
>> Thanks,
>> Kyle
>
> Note the "Ref Clock" connector on front panel:
>
>  http://gnuradio.org/trac/wiki/USRP2
>
> It takes a 10 MHz reference.
>
> Eric
>