Re: [USRP-users] X300 REF OUT drive capability

2019-02-12 Thread Marcus D. Leech via USRP-users 

On 02/12/2019 11:25 AM, Brian Padalino via USRP-users wrote:

Check U530 on page 11, A1:

https://files.ettus.com/schematics/x300/x3xx.pdf

It's a FIN1002 LVDS receiver.  Datasheet says 16mA max:

http://www.mouser.com/ds/2/149/FIN1002-108110.pdf

Brian

Hmm, yes.   I had read the part-number incorrectly, couldn't find it, 
and assumed that it was a coax driver.   It's not.


So, it won't drive 50ohm systems very well.



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Re: [USRP-users] X300 REF OUT drive capability

2019-02-12 Thread Brian Padalino via USRP-users 
Check U530 on page 11, A1:

  https://files.ettus.com/schematics/x300/x3xx.pdf

It's a FIN1002 LVDS receiver.  Datasheet says 16mA max:

  http://www.mouser.com/ds/2/149/FIN1002-108110.pdf

Brian

On Tue, Feb 12, 2019 at 11:16 AM Jason Roehm via USRP-users <
usrp-users@lists.ettus.com> wrote:

> How much current can the X300 REF OUT port drive? I have another device
> that has a reference input with a relatively low input impedance, and I
> want to ensure that it can source enough current to properly drive it.
>
> Thanks.
>
> Jason
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Re: [USRP-users] X300 REF OUT drive capability

2019-02-12 Thread Marcus D. Leech via USRP-users 

On 02/12/2019 11:14 AM, Jason Roehm via USRP-users wrote:

How much current can the X300 REF OUT port drive? I have another device that 
has a reference input with a relatively low input impedance, and I want to 
ensure that it can source enough current to properly drive it.

Thanks.

Jason
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There's a differential-to-single-ended driver chip on that output, so I 
suspect that it'll be perfectly happy driving a 50Ohm system.




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[USRP-users] X300 REF OUT drive capability

2019-02-12 Thread Jason Roehm via USRP-users 
How much current can the X300 REF OUT port drive? I have another device that 
has a reference input with a relatively low input impedance, and I want to 
ensure that it can source enough current to properly drive it.

Thanks.

Jason
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Re: [USRP-users] LIBUSB_TRANSFER_ERROR on UHD v3.12

2019-02-12 Thread Marcus D. Leech via USRP-users 

On 02/12/2019 11:04 AM, Jimmy Uhing via USRP-users wrote:

Here you go:
Sample rate: 5e6
Supplied usb cable: yes
Computer: i7 running Ubuntu 14.04
USB controller: Intel Corporation 8 Series/C220 Series Chipset Family 
USB xHCI (rev 04)

USB 2/3: 3

Some additional output from syslog:

kernel: [  424.298759] usb 1-1: new high-speed USB device number 6 
using xhci_hcd
mtp-probe: checking bus 1, device 6: 
"/sys/devices/pci:00/:00:14.0/usb1/1-1"

mtp-probe: bus: 1, device: 6 was not an MTP device
kernel: [  424.427172] usb 1-1: New USB device found, idVendor=2500, 
idProduct=0022
kernel: [  424.427175] usb 1-1: New USB device strings: Mfr=1, 
Product=2, SerialNumber=3

kernel: [  424.427176] usb 1-1: Product: WestBridge
kernel: [  424.427177] usb 1-1: Manufacturer: Cypress
kernel: [  424.427178] usb 1-1: SerialNumber: 04BE
kernel: [  436.478799] usb 1-1: USB disconnect, device number 6
kernel: [  436.718347] usb 2-1: new SuperSpeed USB device number 4 
using xhci_hcd

kernel: [  436.734848] usb 2-1: LPM exit latency is zeroed, disabling LPM.
kernel: [  436.735829] usb 2-1: New USB device found, idVendor=2500, 
idProduct=0022
kernel: [  436.735834] usb 2-1: New USB device strings: Mfr=1, 
Product=2, SerialNumber=3

kernel: [  436.735836] usb 2-1: Product: USRP B200
kernel: [  436.735838] usb 2-1: Manufacturer: Ettus Research LLC
kernel: [  436.735839] usb 2-1: SerialNumber: 3166C89
mtp-probe: checking bus 2, device 4: 
"/sys/devices/pci:00/:00:14.0/usb2/2-1"

mtp-probe: bus: 2, device: 4 was not an MTP device

And from uhd_usrp_probe:
$ sudo uhd_usrp_probe
[INFO] [UHD] linux; GNU C++ version 4.8.5; Boost_105400; 
UHD_3.12.0.0-0-unknown
[INFO] [B200] Loading firmware image: 
/usr/local/share/uhd/images/usrp_b200_fw.hex...

[INFO] [B200] Detected Device: B205mini
[INFO] [B200] Loading FPGA image: 
/usr/local/share/uhd/images/usrp_b205mini_fpga.bin...

[INFO] [B200] Operating over USB 3.
[INFO] [B200] Initialize CODEC control...
[INFO] [B200] Initialize Radio control...
[INFO] [B200] Performing register loopback test...
[INFO] [B200] Register loopback test passed
[INFO] [B200] Setting master clock rate selection to 'automatic'.
[INFO] [B200] Asking for clock rate 16.00 MHz...
[INFO] [B200] Actually got clock rate 16.00 MHz.
  _
 /
|   Device: B-Series Device
|  _
|/
|   |   Mboard: B205mini
|   |   revision: 3
|   |   product: 30522
|   |   serial: 3166C89
|   |   name: B205i
|   |   FW Version: 8.0
|   |   FPGA Version: 5.0
|   |
|   |   Time sources:  none, internal, external
|   |   Clock sources: internal, external
|   |   Sensors: ref_locked
|   |  _
|   |/
|   |   |   RX DSP: 0
|   |   |
|   |   |   Freq range: -8.000 to 8.000 MHz
|   |  _
|   |/
|   |   |   RX Dboard: A
|   |   |  _
|   |   |/
|   |   |   |   RX Frontend: A
|   |   |   |   Name: FE-RX1
|   |   |   |   Antennas: TX/RX, RX2
|   |   |   |   Sensors: temp, rssi, lo_locked
|   |   |   |   Freq range: 50.000 to 6000.000 MHz
|   |   |   |   Gain range PGA: 0.0 to 76.0 step 1.0 dB
|   |   |   |   Bandwidth range: 20.0 to 5600.0 step 0.0 Hz
|   |   |   |   Connection Type: IQ
|   |   |   |   Uses LO offset: No
|   |   |  _
|   |   |/
|   |   |   |   RX Codec: A
|   |   |   |   Name: B205mini RX dual ADC
|   |   |   |   Gain Elements: None
|   |  _
|   |/
|   |   |   TX DSP: 0
|   |   |
|   |   |   Freq range: -8.000 to 8.000 MHz
|   |  _
|   |/
|   |   |   TX Dboard: A
|   |   |  _
|   |   |/
|   |   |   |   TX Frontend: A
|   |   |   |   Name: FE-TX1
|   |   |   |   Antennas: TX/RX
|   |   |   |   Sensors: temp, lo_locked
|   |   |   |   Freq range: 50.000 to 6000.000 MHz
|   |   |   |   Gain range PGA: 0.0 to 89.8 step 0.2 dB
|   |   |   |   Bandwidth range: 20.0 to 5600.0 step 0.0 Hz
|   |   |   |   Connection Type: IQ
|   |   |   |   Uses LO offset: No
|   |   |  _
|   |   |/
|   |   |   |   TX Codec: A
|   |   |   |   Name: B205mini TX dual DAC
|   |   |   |   Gain Elements: None


*From:* USRP-users  on behalf of 
Marcus D. Leech via USRP-users 

*Sent:* Tuesday, February 12, 2019 10:32:24 AM
*To:* usrp-users@lists.ettus.com
*Subject:* Re: [USRP-users] LIBUSB_TRANSFER_ERROR on UHD v3.12
On 02/12/2019 10:24 AM, Jimmy Uhing via USRP-users wrote:


Hello,


I am using a USRP B205mini-i radio and keep receiving the following 
error from

Re: [USRP-users] LIBUSB_TRANSFER_ERROR on UHD v3.12

2019-02-12 Thread Jimmy Uhing via USRP-users 
Here you go:
Sample rate: 5e6
Supplied usb cable: yes
Computer: i7 running Ubuntu 14.04
USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI 
(rev 04)
USB 2/3: 3


Some additional output from syslog:

kernel: [  424.298759] usb 1-1: new high-speed USB device number 6 using 
xhci_hcd
mtp-probe: checking bus 1, device 6: 
"/sys/devices/pci:00/:00:14.0/usb1/1-1"
mtp-probe: bus: 1, device: 6 was not an MTP device
kernel: [  424.427172] usb 1-1: New USB device found, idVendor=2500, 
idProduct=0022
kernel: [  424.427175] usb 1-1: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
kernel: [  424.427176] usb 1-1: Product: WestBridge
kernel: [  424.427177] usb 1-1: Manufacturer: Cypress
kernel: [  424.427178] usb 1-1: SerialNumber: 04BE
kernel: [  436.478799] usb 1-1: USB disconnect, device number 6
kernel: [  436.718347] usb 2-1: new SuperSpeed USB device number 4 using 
xhci_hcd
kernel: [  436.734848] usb 2-1: LPM exit latency is zeroed, disabling LPM.
kernel: [  436.735829] usb 2-1: New USB device found, idVendor=2500, 
idProduct=0022
kernel: [  436.735834] usb 2-1: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
kernel: [  436.735836] usb 2-1: Product: USRP B200
kernel: [  436.735838] usb 2-1: Manufacturer: Ettus Research LLC
kernel: [  436.735839] usb 2-1: SerialNumber: 3166C89
mtp-probe: checking bus 2, device 4: 
"/sys/devices/pci:00/:00:14.0/usb2/2-1"
mtp-probe: bus: 2, device: 4 was not an MTP device

And from uhd_usrp_probe:
$ sudo uhd_usrp_probe
[INFO] [UHD] linux; GNU C++ version 4.8.5; Boost_105400; UHD_3.12.0.0-0-unknown
[INFO] [B200] Loading firmware image: 
/usr/local/share/uhd/images/usrp_b200_fw.hex...
[INFO] [B200] Detected Device: B205mini
[INFO] [B200] Loading FPGA image: 
/usr/local/share/uhd/images/usrp_b205mini_fpga.bin...
[INFO] [B200] Operating over USB 3.
[INFO] [B200] Initialize CODEC control...
[INFO] [B200] Initialize Radio control...
[INFO] [B200] Performing register loopback test...
[INFO] [B200] Register loopback test passed
[INFO] [B200] Setting master clock rate selection to 'automatic'.
[INFO] [B200] Asking for clock rate 16.00 MHz...
[INFO] [B200] Actually got clock rate 16.00 MHz.
  _
 /
|   Device: B-Series Device
| _
|/
|   |   Mboard: B205mini
|   |   revision: 3
|   |   product: 30522
|   |   serial: 3166C89
|   |   name: B205i
|   |   FW Version: 8.0
|   |   FPGA Version: 5.0
|   |
|   |   Time sources:  none, internal, external
|   |   Clock sources: internal, external
|   |   Sensors: ref_locked
|   | _
|   |/
|   |   |   RX DSP: 0
|   |   |
|   |   |   Freq range: -8.000 to 8.000 MHz
|   | _
|   |/
|   |   |   RX Dboard: A
|   |   | _
|   |   |/
|   |   |   |   RX Frontend: A
|   |   |   |   Name: FE-RX1
|   |   |   |   Antennas: TX/RX, RX2
|   |   |   |   Sensors: temp, rssi, lo_locked
|   |   |   |   Freq range: 50.000 to 6000.000 MHz
|   |   |   |   Gain range PGA: 0.0 to 76.0 step 1.0 dB
|   |   |   |   Bandwidth range: 20.0 to 5600.0 step 0.0 Hz
|   |   |   |   Connection Type: IQ
|   |   |   |   Uses LO offset: No
|   |   | _
|   |   |/
|   |   |   |   RX Codec: A
|   |   |   |   Name: B205mini RX dual ADC
|   |   |   |   Gain Elements: None
|   | _
|   |/
|   |   |   TX DSP: 0
|   |   |
|   |   |   Freq range: -8.000 to 8.000 MHz
|   | _
|   |/
|   |   |   TX Dboard: A
|   |   | _
|   |   |/
|   |   |   |   TX Frontend: A
|   |   |   |   Name: FE-TX1
|   |   |   |   Antennas: TX/RX
|   |   |   |   Sensors: temp, lo_locked
|   |   |   |   Freq range: 50.000 to 6000.000 MHz
|   |   |   |   Gain range PGA: 0.0 to 89.8 step 0.2 dB
|   |   |   |   Bandwidth range: 20.0 to 5600.0 step 0.0 Hz
|   |   |   |   Connection Type: IQ
|   |   |   |   Uses LO offset: No
|   |   | _
|   |   |/
|   |   |   |   TX Codec: A
|   |   |   |   Name: B205mini TX dual DAC
|   |   |   |   Gain Elements: None



From: USRP-users  on behalf of Marcus D. 
Leech via USRP-users 
Sent: Tuesday, February 12, 2019 10:32:24 AM
To: usrp-users@lists.ettus.com
Subject: Re: [USRP-users] LIBUSB_TRANSFER_ERROR on UHD v3.12

On 02/12/2019 10:24 AM, Jimmy Uhing via USRP-users wrote:

Hello,


I am using a USRP B205mini-i radio and keep receiving the following error from 
version 3.12 of the UHD API:

terminate called after throwing 'uhd::io_error'

  what():

Re: [USRP-users] LIBUSB_TRANSFER_ERROR on UHD v3.12

2019-02-12 Thread Tom McDermott via USRP-users 
This happened to me as well after upgrading from 3.10 to either 3.12 or
3.13 (forget which).
It will run normally, but in various gnuradio flowgraph terminate
situations, it has this error
and does not seem to recover without a device reinitialization.

-- Tom, N5EG




On Tue, Feb 12, 2019 at 7:25 AM Jimmy Uhing via USRP-users <
usrp-users@lists.ettus.com> wrote:

> Hello,
>
>
> I am using a USRP B205mini-i radio and keep receiving the following error
> from version 3.12 of the UHD API:
>
> terminate called after throwing 'uhd::io_error'
>
>   what(): EnvironmentError: IOError: usb tx2 transfer status:
> LIBUSB_TRANSFER_ERROR
>
>
> Sometimes the error will say "usb rx2 transfer status" and sometimes the
> status will be "LIBUSB_TRANSFER_OVERFLOW". Not sure if this is related to
> hardware or software.
>
>
> Any ideas?
>
>
> Thanks!
>
>
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Re: [USRP-users] LIBUSB_TRANSFER_ERROR on UHD v3.12

2019-02-12 Thread Marcus D. Leech via USRP-users 

On 02/12/2019 10:24 AM, Jimmy Uhing via USRP-users wrote:


Hello,


I am using a USRP B205mini-i radio and keep receiving the following 
error from version 3.12 of the UHD API:


terminate called after throwing 'uhd::io_error'

  what(): EnvironmentError: IOError: usb tx2 transfer status: 
LIBUSB_TRANSFER_ERROR



Sometimes the error will say "usb rx2 transfer status" and sometimes 
the status will be "LIBUSB_TRANSFER_OVERFLOW". Not sure if this is 
related to hardware or software.



Any ideas?


Thanks!





What sample rate are you using?   Are you using the supplied USB cable?  
On what kind of computer?  What type of USB controller?

  USB3 or USB2?


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[USRP-users] LIBUSB_TRANSFER_ERROR on UHD v3.12

2019-02-12 Thread Jimmy Uhing via USRP-users 
Hello,


I am using a USRP B205mini-i radio and keep receiving the following error from 
version 3.12 of the UHD API:

terminate called after throwing 'uhd::io_error'

  what(): EnvironmentError: IOError: usb tx2 transfer status: 
LIBUSB_TRANSFER_ERROR


Sometimes the error will say "usb rx2 transfer status" and sometimes the status 
will be "LIBUSB_TRANSFER_OVERFLOW". Not sure if this is related to hardware or 
software.


Any ideas?


Thanks!

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Re: [USRP-users] Control several USRPs via switch

2019-02-12 Thread Marcus D. Leech via USRP-users 

On 02/12/2019 05:55 AM, Maria Jesus Cañavate Sanchez via USRP-users wrote:

Hi there!

I am having problems when connecting the USRP X310 to my PC via a 
switch (I am doing this as I would like to connect several USRPs 
simultaneously). The connection between the PC and the USRP via direct 
Ethernet connection works perfectly but not when I connect a switch in 
between. I have been checking the manual to see if there are any 
specifications for the switch but I have not found anything. The 
switch I am using is the TL-SF1008D by tp-link and maybe it is not 
compatible with the USRP.


Thank you very much in advance!

Best regards,

Maria Jesus

Maria:

That switch is a 10/100 switch--it DOES NOT SUPPORT 1000Mbit, which is 
*required* by USRPs.




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Re: [USRP-users] Control several USRPs via switch

2019-02-12 Thread Maria Jesus Cañavate Sanchez via USRP-users 

Hi Leandro,

Thank you very much for your answer!

I think that might not be the problem as I was using just one USRP (I 
was basically checking if it was working with the switch before 
connecting more of them).


Best regards,

Maria Jesus

On 12/02/2019 12:13, Leandro Echevarría wrote:

Hey Maria,

If I'm not wrong, USRPs have default static IP addresses, which are 
specific to the FPGA image you've loaded onto them. Perhaps if you're 
using more than one in the same network domain there's being a 
collision and you need to change one of the board's IP default IP 
addresses first? Just an idea.


Regards,

Leo

On Tue, Feb 12, 2019 at 8:54 AM Maria Jesus Cañavate Sanchez via 
USRP-users > wrote:


Hi Xavier,

Thank you very much for your answer!

I was just using the command uhd_find_devices from the terminal
and the PC did not detect anything. Sending a ping did not work
either. When I did the same by connecting just the PC without the
switch, everything worked properly.

Do you think the limit in sampling rate could affect the detection
of the USRP as well?

Thank you again!

Best regards,

Maria Jesus

On 12/02/2019 11:36, Xavier Arteaga wrote:

Hi Maria,
What sampling rate are you having? The switch you are using is up
to 100Mbps. That limits your sampling rate to 3.125Msps.

100Mbps / (16 bit/sample x 2 IQ) = 3.125MSamples/s.

Regards,
Xavier

On Tue, 12 Feb 2019 at 11:57, Maria Jesus Cañavate Sanchez via
USRP-users mailto:usrp-users@lists.ettus.com>> wrote:

Hi there!

I am having problems when connecting the USRP X310 to my PC
via a switch
(I am doing this as I would like to connect several USRPs
simultaneously). The connection between the PC and the USRP
via direct
Ethernet connection works perfectly but not when I connect a
switch in
between. I have been checking the manual to see if there are any
specifications for the switch but I have not found anything.
The switch
I am using is the TL-SF1008D by tp-link and maybe it is not
compatible
with the USRP.

Thank you very much in advance!

Best regards,

Maria Jesus


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Re: [USRP-users] Control several USRPs via switch

2019-02-12 Thread Leandro Echevarría via USRP-users 
Hey Maria,

If I'm not wrong, USRPs have default static IP addresses, which are
specific to the FPGA image you've loaded onto them. Perhaps if you're using
more than one in the same network domain there's being a collision and you
need to change one of the board's IP default IP addresses first? Just an
idea.

Regards,

Leo

On Tue, Feb 12, 2019 at 8:54 AM Maria Jesus Cañavate Sanchez via USRP-users
 wrote:

> Hi Xavier,
>
> Thank you very much for your answer!
>
> I was just using the command uhd_find_devices from the terminal and the PC
> did not detect anything. Sending a ping did not work either. When I did the
> same by connecting just the PC without the switch, everything worked
> properly.
>
> Do you think the limit in sampling rate could affect the detection of the
> USRP as well?
>
> Thank you again!
>
> Best regards,
>
> Maria Jesus
> On 12/02/2019 11:36, Xavier Arteaga wrote:
>
> Hi Maria,
> What sampling rate are you having? The switch you are using is up to
> 100Mbps. That limits your sampling rate to 3.125Msps.
>
> 100Mbps / (16 bit/sample x 2 IQ) = 3.125MSamples/s.
>
> Regards,
> Xavier
>
>
> On Tue, 12 Feb 2019 at 11:57, Maria Jesus Cañavate Sanchez via USRP-users <
> usrp-users@lists.ettus.com> wrote:
>
>> Hi there!
>>
>> I am having problems when connecting the USRP X310 to my PC via a switch
>> (I am doing this as I would like to connect several USRPs
>> simultaneously). The connection between the PC and the USRP via direct
>> Ethernet connection works perfectly but not when I connect a switch in
>> between. I have been checking the manual to see if there are any
>> specifications for the switch but I have not found anything. The switch
>> I am using is the TL-SF1008D by tp-link and maybe it is not compatible
>> with the USRP.
>>
>> Thank you very much in advance!
>>
>> Best regards,
>>
>> Maria Jesus
>>
>>
>> ___
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>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>>
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Re: [USRP-users] Control several USRPs via switch

2019-02-12 Thread Maria Jesus Cañavate Sanchez via USRP-users 

Hi Xavier,

Thank you very much for your answer!

I was just using the command uhd_find_devices from the terminal and the 
PC did not detect anything. Sending a ping did not work either. When I 
did the same by connecting just the PC without the switch, everything 
worked properly.


Do you think the limit in sampling rate could affect the detection of 
the USRP as well?


Thank you again!

Best regards,

Maria Jesus

On 12/02/2019 11:36, Xavier Arteaga wrote:

Hi Maria,
What sampling rate are you having? The switch you are using is up to 
100Mbps. That limits your sampling rate to 3.125Msps.


100Mbps / (16 bit/sample x 2 IQ) = 3.125MSamples/s.

Regards,
Xavier

On Tue, 12 Feb 2019 at 11:57, Maria Jesus Cañavate Sanchez via 
USRP-users > wrote:


Hi there!

I am having problems when connecting the USRP X310 to my PC via a
switch
(I am doing this as I would like to connect several USRPs
simultaneously). The connection between the PC and the USRP via
direct
Ethernet connection works perfectly but not when I connect a
switch in
between. I have been checking the manual to see if there are any
specifications for the switch but I have not found anything. The
switch
I am using is the TL-SF1008D by tp-link and maybe it is not
compatible
with the USRP.

Thank you very much in advance!

Best regards,

Maria Jesus


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[USRP-users] Control several USRPs via switch

2019-02-12 Thread Maria Jesus Cañavate Sanchez via USRP-users 

Hi there!

I am having problems when connecting the USRP X310 to my PC via a switch 
(I am doing this as I would like to connect several USRPs 
simultaneously). The connection between the PC and the USRP via direct 
Ethernet connection works perfectly but not when I connect a switch in 
between. I have been checking the manual to see if there are any 
specifications for the switch but I have not found anything. The switch 
I am using is the TL-SF1008D by tp-link and maybe it is not compatible 
with the USRP.


Thank you very much in advance!

Best regards,

Maria Jesus


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