E310/E312

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Device Overview

The USRP E310 offers a portable stand-alone SDR platform designed for field deployment. The flexible 2x2 MIMO AD9361 transceiver from Analog Devices provides up to 56 MHz of instantaneous bandwidth and spans frequencies from 70 MHz – 6 GHz to cover multiple bands of interest.

Key Features

E310

  • Xilinx Zynq 7020 SoC: 7 Series FPGA with ARM Cortex A9 667 MHz dual-core processor
  • Analog Devices AD9361 RFIC direct-conversion transceiver
  • Frequency range: 70 MHz - 6 GHz
  • Up to 56 MHz of instantaneous bandwidth
  • 2x2 MIMO transceiver
  • Up to 10 MS/s sample data transfer rate to ARM processor
  • RX, TX filter banks
  • Integrated GPS receiver
  • 9-axis inertial measurement unit
  • RF Network on Chip (RFNoC™) FPGA development framework support
Product e310.png

E312

  • Battery Operated
  • Xilinx Zynq 7020 SoC: 7 Series FPGA with ARM Cortex A9 866 MHz dual-core processor
  • Analog Devices AD9361 RFIC direct-conversion transceiver
  • Frequency range: 70 MHz - 6 GHz
  • Up to 56 MHz of instantaneous bandwidth
  • 2x2 MIMO transceiver
  • Up to 10 MS/s sample data transfer rate to ARM processor
  • RX, TX filter banks
  • Integrated GPS receiver
  • 9-axis inertial measurement unit
  • RF Network on Chip (RFNoC™) FPGA development framework support
Product e312.png

Daughterboard Specifications

E310 MIMO XCVR board

The USRP E310 MIMO XCVR daughterboard features an integrated MIMO capable RF frontend.

Tuning

The RF frontend has individually tunable receive and transmit chains. Both transmit and receive can be used in a MIMO configuration. For the MIMO case, both receive frontends share the RX LO, and both transmit frontends share the TX LO. Each LO is tunable between 50 MHz and 6 GHz.

Gains

All frontends have individual analog gain controls. The receive frontends have 76 dB of available gain; and the transmit frontends have 89.5 dB of available gain. Gain settings are application specific, but it is recommended that users consider using at least half of the available gain to get reasonable dynamic range.

LO lock status

The frontends provide a lo-locked sensor that can be queried through the UHD API. 

// assumes 'usrp' is a valid uhd::usrp::multi_usrp::sptr instance
// get status for rx frontend
usrp->get_rx_sensor("lo-locked");
// get status for tx frontend
usrp->get_tx_sensor("lo-locked");

Filter and Antenna Switches

The transmit and receive filter banks uses switches to select between the available filters. These paths are also dependent on the antenna switch settings. Incorrectly setting the switches generally results in attenuated input / output power. Receive filters are band pass (series high & low pass filters), transmit filters are low pass.

Source code related to controlling the filter band and antenna switches resides in e300_impl.c. Specifically, refer to methods e300_impl::_update_bandsel, e300_impl::_update_atrs, e300_impl::_update_gpio, and e300_impl::_update_enables. Generally, these methods set the switches depending on the state of transmit and receive streams.

The following sections provide switch setting tables for antenna and filter selection for frontends A & B receive and transmit paths. For futher details refer to the schematics.

Side A Filter and Antenna Switches

Note: X = don't care, T = If full duplex, set bits according to transmit table, otherwise don't care. Filter range A – B will be selected if A <= freq < B.

Receive

RX Port RX Filter (MHz) VCTXRX2_V1,V2 VCRX2_V1,V2 RX2_BANDSEL[2:0] RX2B_BANDSEL[1:0] RX2C_BANDSEL[1:0]
TRX-A < 450 01 10 101 XX 01
TRX-A 450 – 700 01 10 011 XX 11
TRX-A 700 – 1200 01 10 001 XX 10
TRX-A 1200 – 1800 01 10 000 01 XX
TRX-A 1800 – 2350 01 10 010 11 XX
TRX-A 2350 – 2600 01 10 100 10 XX
TRX-A 2600 – 6000 01 01 XXX XX XX
RX2-A 70 – 450 TT 01 101 XX 01
RX2-A 450 – 700 TT 01 011 XX 11
RX2-A 700 – 1200 TT 01 001 XX 10
RX2-A 1200 – 1800 TT 01 000 01 XX
RX2-A 1800 – 2350 TT 01 010 11 XX
RX2-A 2350 – 2600 TT 01 100 10 XX
RX2-A >= 2600 TT 10 XXX XX XX

Transmit

TX Port TX Filter (MHz) VCTXRX2_V1,V2 TX_ENABLE2A,2B TX_BANDSEL[2:0]
TRX-A < 117.7 10 01 111
TRX-A 117.7 – 178.2 10 01 110
TRX-A 178.2 – 284.3 10 01 101
TRX-A 284.3 – 453.7 10 01 100
TRX-A 453.7 – 723.8 10 01 011
TRX-A 723.8 – 1154.9 10 01 010
TRX-A 1154.9 – 1842.6 10 01 001
TRX-A 1842.6 – 2940.0 10 01 000
TRX-A >= 2940.0 11 10 XXX

Note: Although the transmit filters are low pass, this table describes UHD's tuning range for selecting each filter path. The table also includes the required transmit enable state.


Side B Filter and Antenna Switches

Note: X = don't care, T = If full duplex, set bits according to transmit table, otherwise don't care. Filter range A – B will be selected if A <= freq < B.

Receive

RX Port RX Filter (MHz) VCTXRX1_V1,V2 VCRX1_V1,V2 RX1_BANDSEL[2:0] RX1B_BANDSEL[1:0] RX1C_BANDSEL[1:0]
TRX-B < 450 10 01 100 XX 10
TRX-B 450 – 700 10 01 010 XX 11
TRX-B 700 – 1200 10 01 000 XX 01
TRX-B 1200 – 1800 10 01 001 10 XX
TRX-B 1800 – 2350 10 01 011 11 XX
TRX-B 2350 – 2600 10 01 101 01 XX
TRX-B 2600 – 6000 10 10 XXX XX XX
RX2-B 70 – 450 TT 10 100 XX 10
RX2-B 450 – 700 TT 10 010 XX 11
RX2-B 700 – 1200 TT 10 000 XX 01
RX2-B 1200 – 1800 TT 10 001 10 XX
RX2-B 1800 – 2350 TT 10 011 11 XX
RX2-B 2350 – 2600 TT 10 101 01 XX
RX2-B >= 2600 TT 01 XXX XX XX


Transmit

TX Port TX Filter (MHz) VCTXRX1_V1,V2 TX_ENABLE1A,1B TX1_BANDSEL[2:0]
TRX-B < 117.7 00 01 111
TRX-B 117.7 – 178.2 00 01 110
TRX-B 178.2 – 284.3 00 01 101
TRX-B 284.3 – 453.7 00 01 100
TRX-B 453.7 – 723.8 00 01 011
TRX-B 723.8 – 1154.9 00 01 010
TRX-B 1154.9 – 1842.6 00 01 001
TRX-B 1842.6 – 2940.0 00 01 000
TRX-B >= 2940.0 11 10 XXX

Note: Although the transmit filters are low pass, the following table describes UHD's tuning range for selecting each filter path. The table also includes the required transmit enable states.


RF Specifications

RF Performance

  • SSB/LO Suppression -35/50 dBc
  • Phase Noise 3.5 GHz 1.0 deg RMS
  • Phase Noise 6 GHz 1.5 deg RMS
  • Power Output >10dBm
  • IIP3 (@ typ NF) -20dBm
  • Typical Noise Figure <8dB

Hardware Specifications

  • Ettus Research recommends to always use the latest stable version of UHD

E310

  • Current Hardware Revision: 1
  • Minimum version of UHD required: 3.8.0
  • Required version on the host computer must match what is running on the E310

E312

  • Current Hardware Revision: 1
  • Minimum version of UHD required: 3.8.5
  • Required version on the host computer must match what is running on the E312

Physical Specifications

Dimensions

  • 133 x 68 x 26.4 mm

Environmental Specifications

Operating Temperature Range

  • E310 0-40 °C
  • E312 0-40 °C

Operating Humidity Range

  • 10% to 90% non-condensing

Schematics

E310

E310 Schematics

E310 DB

E310 Architecture

Key Component Datasheets

Part Number Description Schematic ID (Page)
Motherboard
TXS02612RTWR SDIO PORT EXPANDER U23 (2)
XC7Z020-1CLG484CES9919 FPGA U11 (2,3,4,8,11,13)
Xilinx Zynq Product Page FPGA -
USB3340-EZK-TR ULPI Transceiver U33 (5)
AK4571VQP Audio CODEC U30 (6)
FT230XQ-R UART Interface U32 (6)
88E1512 Gigabit Ethernet Transceiver U13 (7)
24LC024/SN EEPROM U5 (9)
DS1339,SM Real-Time Clock U6 (9)
ADT7408 Temperature Sensor U8 (9)
MPU-9150 Motion Processing Unit U3 (9)
InvenSense MPU-9150 Product Page Motion Processing Unit U3 (9)
BMP180 Digital pressure sensor U4 (9)
BQ24192 Adapter Charger U1 (10)
TPS54478 Step-Down Switcher U20 (10)
MAX6510HAUT-T Temperature Switches U35 (10)
ATTINY88-MU Microcontroller U18 (10)
TPS61253YFF Step-Up Converter U19 (10)
AMY-6M GPS Module U12 (6)
Daughterboard
Part Number Description Schematic ID (Page)
AD9361 Product Page 2 x 2 RF Agile Transceiver U8 (3)
24AA256 EEPROM U15 (2)
TC-1-43A+ RF Transformer T6 (3); T5 (3); T4 (3)
TC1-1-13M+ RF Transformer T7 (3); T10 (3); T1 (3)
TPS62140 Step-Down Converter U19 (4)
ADP1753ACPZ-R7 Linear Regulator U17 (4); U18 (4)
SGA-4563Z MMIC AMPLIFIER U12 (5); U4 (5)
SKY13418-485LF Antenna Switch U13 (5); U3 (5); U16 (5); U2 (5); U10 (6); U5 (6)
SKY13373-460LF SP3T Switch U11 (6); U9 (6); U6 (6); U7 (6); SW4 (7); SW1 (7)
MGA-81563 Amplifier U14 (5); U1 (5)
LFCN-5850+ Low Pass Filter FL32 (5); FL1 (5)
LFCN-2750+ Low Pass Filter FL37 (5); FL4 (5)
LFCN-2250+ Low Pass Filter FL23 (6); FL20 (6)
LFCN-1700+ Low Pass Filter FL40 (5); FL2 (5)
LFCN-1575+ Low Pass Filter FL25 (6); FL17 (6)
LFCN-1000+ Low Pass Filter FL33 (5); FL9 (5); FL27 (6); FL15 (6)
LFCN-575+ Low Pass Filter FL36 (5); FL5 (5)
LFCN-530+ Low Pass Filter FL29 (6); FL13 (6)
LFCN-400+ Low Pass Filter FL38 (5); FL3 (5); FL30 (6); FL11 (6)
LFCN-225 Low Pass Filter FL39 (5); FL6 (5)
LFCN-160+ Low Pass Filter FL34 (5); FL8 (5)
LFCN-80+ Low Pass Filter FL35 (5); FL7 (5)
HFCN-1600+ High Pass Filter FL22 (6); FL19 (6)
HFCN-1100+ High Pass Filter FL24 (6); FL16 (6)
HFCN-650+ High Pass Filter FL26 (6); FL14 (6)
HFCN-440+ High Pass Filter FL28 (6); FL12 (6)
BFCN-2435+ Bandpass Filter FL21 (6); FL18 (6)
FDG6301N Dual N-Channel, Digital FET Q8 (7); Q5 (7)
HSMS-8202 Mixer Diodes CR1 (7); CR2 (7); CR3 (7); CR4 (7)
LP5900TL Linear Regulator U25 (8)
ADP150AUJZ-3.0 Linear Regulator U22 (8)
AD5662RBJ 16-Bit nanoDAC U21 (8)
SN74AUP1T57 Voltage Translator U27 (8); U28 (8); U29 (8)

Request a detailed whitepaper covering features and components from info@ettus.com

Mechanical Information

Weight

  • Partial Enclosure 225 g
  • Full Enclosure 375 g

Drawings

E310

E312

FPGA

  • Utilization statistics are subject to change between UHD releases. This information is current as of UHD 3.9.4 and was taken directly from Xilinx Vivado 2014.4.

E310/E312

1. Slice Logic
--------------

+----------------------------+-------+-----------+-------+
|          Site Type         |  Used | Available | Util% |
+----------------------------+-------+-----------+-------+
| Slice LUTs                 | 36203 |     53200 | 68.05 |
|   LUT as Logic             | 28108 |     53200 | 52.83 |
|   LUT as Memory            |  8095 |     17400 | 46.52 |
|     LUT as Distributed RAM |   870 |           |       |
|     LUT as Shift Register  |  7225 |           |       |
| Slice Registers            | 36562 |    106400 | 34.36 |
|   Register as Flip Flop    | 36562 |    106400 | 34.36 |
|   Register as Latch        |     0 |    106400 |  0.00 |
| F7 Muxes                   |   376 |     26600 |  1.41 |
| F8 Muxes                   |   125 |     13300 |  0.93 |
+----------------------------+-------+-----------+-------+

3. Memory
---------

+-------------------+------+-----------+-------+
|     Site Type     | Used | Available | Util% |
+-------------------+------+-----------+-------+
| Block RAM Tile    |   97 |       140 | 69.28 |
|   RAMB36/FIFO*    |   90 |       140 | 64.28 |
|     RAMB36E1 only |   90 |           |       |
|   RAMB18          |   14 |       280 |  5.00 |
|     RAMB18E1 only |   14 |           |       |
+-------------------+------+-----------+-------+
* Note: Each Block RAM Tile only has one FIFO logic available and therefore can accommodate only one FIFO36E1 or one FIFO18E1. However, if a FIFO18E1 occupies a Block RAM Tile, that tile can still accommodate a RAMB18E1


4. DSP
------

+----------------+------+-----------+-------+
|    Site Type   | Used | Available | Util% |
+----------------+------+-----------+-------+
| DSPs           |  120 |       220 | 54.54 |
|   DSP48E1 only |  120 |           |       |
+----------------+------+-----------+-------+

Interfaces and Connectivity

  • 10/100/1000 BASE-T Ethernet
  • Stereo audio out, mono mic in
  • Integrated GPS receiver
  • Host USB support
  • 9-axis IMU

Front Panel

  • RF A Group
    • TX/RX LED: Indicates that data is streaming on the TX/RX channel on frontend side A
    • RX2 LED: Indicates that data is streaming on the RX2 channel on frontend side A
  • RF B Group
    • TX/RX LED: Indicates that data is streaming on the TX/RX channel on frontend B
    • RX2 LED: Indicates that data is streaming on the RX2 channel on frontend B
  • PWR: Power switch with integrated status LED, for status description see below.
  • SYNC: Input port for external PPS signal
  • GPS: Connection for the GPS antenna
  • AUDIO: Audio input / output

The status LED in the power switch indicates the power and charge status. It's behavior is firmware version dependent.

  • Version 1 (original E310)
    • Off: Indicates device is off and not charging
    • Solid Red: Indicates device is charging
    • Solid Green: Indicates device is on
    • Fast Blinking Red: Indicates an error code
      • 1 - Low voltage error
      • 2 - Regulator low voltage error
      • 3 - FPGA power error
      • 4 - DRAM power error
      • 5 - 1.8V rail power error
      • 6 - 3.3V rail power error
      • 7 - Daughterboard / TX power error
      • 9 - Temperature error
  • Version 2 (E312 and upgraded E310)
    • Off: Indicates device is off and not charging
    • Slow Blinking Green: Indicates device is off and charging
    • Fast Blinking Green: Indicates device is on and charging
    • Solid Green: Indicates device is on (and not charging, if E312)
    • Solid Orange: Indicates device is on and discharging
    • Fast Blinking Orange: Indicates device is on, discharging, and charge is below 10% charge
    • Fast Blinking Red: Indicates an error code
      • 1 - Low voltage error
      • 2 - Regulator low voltage error
      • 3 - FPGA power error
      • 4 - DRAM power error
      • 5 - 1.8V rail power error
      • 6 - 3.3V rail power error
      • 7 - Daughterboard / TX power error
      • 8 - Charger error
      • 9 - Charger temperature error
      • 10 - Battery low error
      • 11 - Fuel Gauge temperature error
      • 12 - Global (case) temperature error
 e3x0 fp overlay.png

Rear Panel

  • PWR: Locking connector (Kycon KLDHCX-0202-A-LT) for the USRP-E Series power supply
  • 1G ETH: RJ45 port for Ethernet interfaces
  • USB: USB 2.0 Port
  • SERIAL: Micro USB connection for serial uart console


 e3x0 rp overlay.png

GPIO

Pin Mapping

  • Pin 1: +3.3V
  • Pin 2: Reserved
  • Pin 3: Data[5]
  • Pin 4: Reserved
  • Pin 5: Data[4]
  • Pin 6: Data[0]
  • Pin 7: Data[3]
  • Pin 8: Data[1]
  • Pin 9: 0V
  • Pin 10: Data[2]
 e3x0 gpio conn.png

Audio

  • The E3x0 2.5 mm Audio Jack TRRS pins are assigned as follows: Tip=Mic, Ring1=Right, Ring2=Left, Sleeve=GND.
  • The Left/Right audio outputs are compatible with typical low-impedance headphones (16 to 32 Ohms). The Microphone pin provides approximately 2 mA bias at 2.2 V when not suspended. A variety of pin configurations can be found on commonly available headsets, so an adapter may be required.
 TRRS.png

Certifications

RoHS

As of December 1st, 2010 all Ettus Research products are RoHS compliant unless otherwise noted. More information can be found at http://ettus.com/legal/rohs-information

Certificate of Volatility

E310

E312

SD Card Images

This folder linked above contains SD card images and the SDK (OE cross-compiler build environment) for the USRP E310 and E312. There is a manifest file that shows which packages, and which versions, are included in the OE build within each folder.

The "alpha", "beta", "e3xx-release-001", "e310-release-002", "e3xx-release-3" folders contain older versions which are currently obsolete. We do not suggest that customers use these files. These versions are no longer supported. They are provided here for archival purposes only.

The current version is Release 4, which located in the "e3xx-release-4" folder. We recommend the customers use this version. It is fine if you are already successfully using an older version, but at some point it is recommended that you upgrade to this current version so that you benefit from the latest bug fixes, new features, stability improvements, and other enhancements.

The Release 4 image includes UHD 3.9.2 and GNU Radio 3.7.9, and also includes the corresponding FPGA image file.

Note: An 8 GB SD card is required for the Release 4 image.

The SD card image contains both the FPGA image and the OS for the E310/E312. The FPGA images are located in the file system of the E310/E312 in the /usr/local/share/uhd/images folder.

There are two SD card image files for each version of the image, which include the text "-dev" and "-demo" in the filename. The "-dev" flavor lacks some graphical packages, such as X Windows and QT, which the "-demo" flavor includes. The two flavors are otherwise functionally equivalent, although the "-demo" flavor takes some additional space on the SD card and some additional memory to run.

The Release 4 image comes in two varieties. The variety that you will need depends on the product number of your E310 or E312, which is printed on the bottom of the device.

For the E310, the product number will be 156333X-01L, where X is a letter from A to Z. For devices where X is A, B, C, D, the images under the "ettus-e3xx-sg1" folder should be used. For devices where X is E or later, the images under the "ettus-e3xx-sg3" folder should be used. You must use the appropriate image for your specific device. The incorrect image will not work, and will only boot as far as the U-Boot boot loader before stopping.

For the E312, the product number will be 140605X-01L, where X is a letter from A to Z. The images under the "ettus-e3xx-sg3" folder should be used for all E312 devices.

You can burn the image to an SD card using either the "dd" or the "bmaptool" tool. Instructions on how to use these tools are at the links below.

The SD image files have an *.xz extension, as they are compressed using the LZMA/LZMA2 compression algorithms. You can uncompress these files with tools such as 7-Zip and the XZ Utils. Please see the links below for further information.

7-Zip

XZ Utils

The folder structure is listed below. 

.
|-- alpha
|   |-- dizzy-test
|   |   |-- oecore-x86_64-armv7ahf-vfp-neon-toolchain-nodistro.0.manifest
|   |   |-- oecore-x86_64-armv7ahf-vfp-neon-toolchain-nodistro.0.sh
|   |   |-- sdimage-gnuradio-demo.direct.xz
|   |   `-- sdimage-gnuradio-dev.direct.xz
|   |-- fido-rfnoc-test
|   |   |-- oecore-x86_64-armv7ahf-vfp-neon-toolchain-nodistro.0.manifest
|   |   |-- oecore-x86_64-armv7ahf-vfp-neon-toolchain-nodistro.0.sh
|   |   |-- sdimage-gnuradio-demo.direct.xz
|   |   |-- sdimage-gnuradio-demo.direct.xz.md5
|   |   |-- sdimage-gnuradio-dev.direct.xz
|   |   `-- sdimage-gnuradio-dev.direct.xz.md5
|   |-- fido-test
|   |   |-- ettus-e3xx-sg1
|   |   |   |-- sdimage-gnuradio-demo.direct.xz
|   |   |   |-- sdimage-gnuradio-demo.direct.xz.md5
|   |   |   |-- sdimage-gnuradio-dev.direct.xz
|   |   |   `-- sdimage-gnuradio-dev.direct.xz.md5
|   |   |-- ettus-e3xx-sg3
|   |   |   |-- sdimage-gnuradio-demo.direct.xz
|   |   |   |-- sdimage-gnuradio-demo.direct.xz.md5
|   |   |   |-- sdimage-gnuradio-dev.direct.xz
|   |   |   `-- sdimage-gnuradio-dev.direct.xz.md5
|   |   |-- oecore-x86_64-armv7ahf-vfp-neon-toolchain-nodistro.0.manifest
|   |   `-- oecore-x86_64-armv7ahf-vfp-neon-toolchain-nodistro.0.sh
|   `-- fosphor-testing
|       |-- fosphor.direct.xz
|       |-- oecore-x86_64-armv7ahf-vfp-neon-toolchain-nodistro.0.host.manifest
|       |-- oecore-x86_64-armv7ahf-vfp-neon-toolchain-nodistro.0.sh
|       |-- oecore-x86_64-armv7ahf-vfp-neon-toolchain-nodistro.0.target.manifest
|       |-- sdimage-gnuradio-demo.direct.xz
|       |-- sdimage-gnuradio-demo.direct.xz.md5
|       |-- sdimage-gnuradio-dev.direct.xz
|       `-- sdimage-gnuradio-dev.direct.xz.md5
|-- beta
|   |-- dizzy-test
|   |   |-- oecore-x86_64-armv7ahf-vfp-neon-toolchain-nodistro.0.manifest
|   |   |-- oecore-x86_64-armv7ahf-vfp-neon-toolchain-nodistro.0.sh
|   |   |-- sdimage-gnuradio-demo.direct.xz
|   |   `-- sdimage-gnuradio-dev.direct.xz
|   `-- dizzy-test-wifi
|       `-- sdimage-gnuradio-dev.direct.xz
|-- e310-release-002
|   |-- oecore-x86_64-armv7ahf-vfp-neon-toolchain-nodistro.0.manifest
|   |-- oecore-x86_64-armv7ahf-vfp-neon-toolchain-nodistro.0.sh
|   |-- sdimage-gnuradio-demo.direct.xz
|   |-- sdimage-gnuradio-demo.direct.xz.md5sum
|   |-- sdimage-gnuradio-dev.direct.xz
|   `-- sdimage-gnuradio-dev.direct.xz.md5sum
|-- e3xx-release-001
|   |-- e300-gnuradio-dev-image-release1.bz
|   `-- nodistro-eglibc-x86_64-gnuradio-dev-image-armv7ahf-vfp-neon-toolchain-nodistro.0.sh
|-- e3xx-release-3
|   |-- oecore-x86_64-armv7ahf-vfp-neon-toolchain-nodistro.0.manifest
|   |-- oecore-x86_64-armv7ahf-vfp-neon-toolchain-nodistro.0.sh
|   |-- sdimage-gnuradio-demo.direct.xz
|   `-- sdimage-gnuradio-dev.direct.xz
`-- e3xx-release-4
    |-- ettus-e3xx-sg1
    |   |-- sdimage-gnuradio-demo.direct.xz
    |   |-- sdimage-gnuradio-demo.direct.xz.md5
    |   |-- sdimage-gnuradio-dev.direct.xz
    |   `-- sdimage-gnuradio-dev.direct.xz.md5
    |-- ettus-e3xx-sg3
    |   |-- sdimage-gnuradio-demo.direct.xz
    |   |-- sdimage-gnuradio-demo.direct.xz.md5
    |   |-- sdimage-gnuradio-dev.direct.xz
    |   `-- sdimage-gnuradio-dev.direct.xz.md5
    |-- oecore-x86_64-armv7ahf-vfp-neon-toolchain-nodistro.0.manifest
    `-- oecore-x86_64-armv7ahf-vfp-neon-toolchain-nodistro.0.sh

Additional Resources

Downloads

FPGA Images

FPGA Images Read Me

FPGA Resources

UHD Stable Binaries

UHD Source Code on Github

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