Re: [USRP-users] Add an external clock to a USRP x310

2018-04-17 Thread Marcus D. Leech via USRP-users
On 04/17/2018 09:04 AM, ALEJANDRO BLANCO PIZARRO wrote: Hi all, Marcus, Finally, I've fed one USRP with the clock that I generated. But I would like to check if it is working properly, besides, I explicitly enabled the external clock using set_clock_source("external"). To do this, I've check

Re: [USRP-users] Add an external clock to a USRP x310

2018-04-17 Thread ALEJANDRO BLANCO PIZARRO via USRP-users
Hi all, Marcus, Finally, I've fed one USRP with the clock that I generated. But I would like to check if it is working properly, besides, I explicitly enabled the external clock using set_clock_source("external"). To do this, I've checked the REF LED in the front panel. --> Without adding the ex

Re: [USRP-users] Add an external clock to a USRP x310

2018-04-10 Thread Marcus D. Leech via USRP-users
On 04/10/2018 06:49 AM, ALEJANDRO BLANCO PIZARRO wrote: Hi all, Marcus, I continue trying to generate the square signal as a clock but now by means of a FPGA. The square signal, that I generated, has *a period of 100 ns and a Vpp of 0.65 V (in attached). *These values are correct in order to

Re: [USRP-users] Add an external clock to a USRP x310

2018-04-10 Thread ALEJANDRO BLANCO PIZARRO via USRP-users
Hi all, Marcus, I continue trying to generate the square signal as a clock but now by means of a FPGA. The square signal, that I generated, has *a period of 100 ns and a Vpp of 0.65 V (in attached). *These values are correct in order to feed a USRP? Thanks in advance. Best regards, Alejandro 20

Re: [USRP-users] Add an external clock to a USRP x310

2018-04-06 Thread Marcus D. Leech via USRP-users
On 04/06/2018 10:16 AM, ALEJANDRO BLANCO PIZARRO wrote: Hi Marcus, Thanks a lot! What GPSDO do you recommend? We need to buy one. Best regards, Alejandro Most Ettus customers with more than a single USRP tend to use the Octoclock-G: https://www.ettus.com/product/details/OctoClock-G 2018-

Re: [USRP-users] Add an external clock to a USRP x310

2018-04-06 Thread ALEJANDRO BLANCO PIZARRO via USRP-users
Hi Marcus, Thanks a lot! What GPSDO do you recommend? We need to buy one. Best regards, Alejandro 2018-04-06 16:00 GMT+02:00 Marcus D. Leech : > On 04/06/2018 08:29 AM, ALEJANDRO BLANCO PIZARRO wrote: > > Hi all, Marcus, > > Thanks for the answer, it was really useful. Now, I am trying to gener

Re: [USRP-users] Add an external clock to a USRP x310

2018-04-06 Thread Marcus D. Leech via USRP-users
On 04/06/2018 08:29 AM, ALEJANDRO BLANCO PIZARRO wrote: Hi all, Marcus, Thanks for the answer, it was really useful. Now, I am trying to generate the 10Mhz signal using a vector signal generator, but the signal is nor really pure because the signal generator bandwidth is only 60MHz. Also, the

Re: [USRP-users] Add an external clock to a USRP x310

2018-04-06 Thread ALEJANDRO BLANCO PIZARRO via USRP-users
Hi all, Marcus, Thanks for the answer, it was really useful. Now, I am trying to generate the 10Mhz signal using a vector signal generator, but the signal is nor really pure because the signal generator bandwidth is only 60MHz. Also, the Vpp of the signal is 1.4 V, is it correct? If someone can s

Re: [USRP-users] Add an external clock to a USRP x310

2018-04-05 Thread Marcus D. Leech via USRP-users
On 04/05/2018 06:20 AM, ALEJANDRO BLANCO PIZARRO via USRP-users wrote: Dear community, I would like to add an external clock to two USRP in order to have the same clock discarding possible synchronization issues. The desirable frequency of the clock would be 184 MHz (compatible with LTE). An

[USRP-users] Add an external clock to a USRP x310

2018-04-05 Thread ALEJANDRO BLANCO PIZARRO via USRP-users
Dear community, I would like to add an external clock to two USRP in order to have the same clock discarding possible synchronization issues. The desirable frequency of the clock would be 184 MHz (compatible with LTE). And I was wondering about what will be the possible solutions: --> It is poss