[USRP-users] Messaging the DDC

2018-09-26 Thread Jason Matusiak via USRP-users
I have a block that outputs a message with a frequency.  I would love to be able to set the frequency adjustment in the RFNoC DDC, but I don't see a way to do it it automagically. I am guessing that there is no way to do it even though it can be set from a variable slider easily. Is there an

Re: [USRP-users] X300 DAC sample rate

2018-09-26 Thread Marcus D. Leech via USRP-users
On 09/26/2018 03:35 PM, Mega Samples via USRP-users wrote: Hi USRP-users, I am working on a project where I have an X300, and want to use the DAC at a sample rate of 800 MS/s, which is what is advertised on the X300 datasheet. However, it appears the maximum sample rate is set by the FPGA

[USRP-users] X300 DAC sample rate

2018-09-26 Thread Mega Samples via USRP-users
Hi USRP-users, I am working on a project where I have an X300, and want to use the DAC at a sample rate of 800 MS/s, which is what is advertised on the X300 datasheet. However, it appears the maximum sample rate is set by the FPGA at 200 MHz (see "Clocking and Sample Rates" section at

Re: [USRP-users] B205 External Reference issue

2018-09-26 Thread Marcus D. Leech via USRP-users
On 09/26/2018 02:24 PM, Arun kumar Verma wrote: Hi Marcus well I am connecting external ref of 10MHz on Ref Input SMA connector and once I connect this and set my clock source for external source then we are getting spurios, these spurs are low but for AM,FM audio demodulation even Hz suprs

Re: [USRP-users] B205 External Reference issue

2018-09-26 Thread Arun kumar Verma via USRP-users
Hi Marcus  well I am connecting external ref of 10MHz on Ref Input SMA connector and once I connect this and set my clock source for external source then we are getting spurios, these spurs are low but for AM,FM audio demodulation even Hz suprs can create probelem and that is what we are

Re: [USRP-users] Rssi reading on b205/b210

2018-09-26 Thread Marcus D. Leech via USRP-users
On 09/26/2018 12:28 PM, Chintan Patel via USRP-users wrote: Thanks - two follow up questions: 1. Is RSSI exposed as a sensor for the B205mini? 2. Does the Python UHD API, allow reading this in python? Thanks Yes to both as far as I can tell. On Fri, Sep 21, 2018 at 8:20 PM Julian Arnold

Re: [USRP-users] Rssi reading on b205/b210

2018-09-26 Thread Chintan Patel via USRP-users
Thanks - two follow up questions: 1. Is RSSI exposed as a sensor for the B205mini? 2. Does the Python UHD API, allow reading this in python? Thanks On Fri, Sep 21, 2018 at 8:20 PM Julian Arnold wrote: > Hey, > > Since release 3.8.2 the RSSI is exposed as a frontend sensor. > You should be

Re: [USRP-users] B205 External Reference issue

2018-09-26 Thread Marcus D. Leech via USRP-users
On 09/26/2018 02:42 AM, Arun kumar Verma via USRP-users wrote: Hi We are using B205i-mini and we found that when I am sleclecting external Ref using set_clock_source("ëxternal"); I am getting intermodulation components in Hz. I think supply for the internal oscillator is still on and it is

Re: [USRP-users] RFNoC loopback

2018-09-26 Thread Daniel Rauschen via USRP-users
Hi, sure, find the cpp attached. Thanks and best regards, Daniel On 26.09.2018 16:56, Brian Padalino wrote: On Wed, Sep 26, 2018 at 10:36 AM Daniel Rauschen via USRP-users mailto:usrp-users@lists.ettus.com>> wrote: Hi all, I have a question regarding a RFNoC loopback in plain UHD.

Re: [USRP-users] RFNoC loopback

2018-09-26 Thread Brian Padalino via USRP-users
On Wed, Sep 26, 2018 at 10:36 AM Daniel Rauschen via USRP-users < usrp-users@lists.ettus.com> wrote: > Hi all, > > I have a question regarding a RFNoC loopback in plain UHD. > > I am familiar with [1] and I have a working solution with gr-ettus and > python. The problem is, I can not figure out

[USRP-users] RFNoC loopback

2018-09-26 Thread Daniel Rauschen via USRP-users
Hi all, I have a question regarding a RFNoC loopback in plain UHD. I am familiar with [1] and I have a working solution with gr-ettus and python. The problem is, I can not figure out how to connect the blocks in plain UHD. Does anyone have a working example in UHD for a RFNoC loopback?

[USRP-users] UHD occupying 100% CPU

2018-09-26 Thread Vladica Sark via USRP-users
Hi folks, I have a C/C++ code that transmits frames in a given time slots from 2x X310. All 4 AFEs are used (2 on each X310). The duty cycle is relatively low, 1 frame in each 10 ms. Frame duration is a few hundred microseconds. The processing is not CPU intensive. The problem is that all 4

Re: [USRP-users] IOError: x300 fw poke32 - reply timed out

2018-09-26 Thread Stefan van der Linden via USRP-users
Hi Marcus, We have built the library from source. I will make sure to update the library (and dependencies) and report back. Fingers crossed! Kind regards, Stefan On 24/09/2018 22:38, Marcus Müller wrote: Hi Stefan, so I've talked to our main software sustainance hero, and we rather

[USRP-users] B205 External Reference issue

2018-09-26 Thread Arun kumar Verma via USRP-users
Hi  We are using B205i-mini and we found that when I am sleclecting external Ref using set_clock_source("ëxternal"); I am getting intermodulation components in Hz.I think supply for the internal oscillator is still on and it is not compeletly shutting down. Is there any options to switch off