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National Instruments USRP-2940 Getting Started

National Instruments USRP-2940 Getting Started

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USRP-2940/2942/2943
Getting Started
2022-07-11

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  • Page 1 USRP-2940/2942/2943 Getting Started 2022-07-11...

  • Page 2: Table Of Contents

    Direct Connections to the Device........19 USRP-2940 Front Panel, Back Panel, and LEDs......20 USRP-2942 Front Panel, Back Panel, and LEDs.
  • Page 3 USRP-2940/2942/2943/2944/2945 Getting Started GPIO Connector............35 Where to Go Next.

  • Page 4: Usrp Rio Device Getting Started Guide

    USRP-2940/2942/2943/2944/2945 Getting Started USRP RIO device Getting Started Guide This document explains how to install, configure, and test the following USRP RIO devices: USRP-2940 Software Defined Radio Reconfigurable Device ■ USRP-2942 Software Defined Radio Reconfigurable Device ■ USRP-2943 Software Defined Radio Reconfigurable Device ■...

  • Page 5: Verifying The Kit Contents

    USRP-2940/2942/2943/2944/2945 Getting Started Notice Never touch the exposed pins of connectors. Note Do not install a device if it appears damaged in any way. 3. Unpack any other items and documentation from the kit. Store the device in the antistatic package when the device is not in use.
  • Page 6 USRP-2940/2942/2943/2944/2945 Getting Started Other Required Item(s) In addition to the kit contents, you must provide the following additional item(s): An MXI Express interface card. You can purchase an MXI Express interface kit ■ for your USRP RIO device, which contains an MXI Express interface card, at ni.com.

  • Page 7: Environmental Guidelines

    USRP-2940/2942/2943/2944/2945 Getting Started Environmental Guidelines Notice This model is intended for use in indoor applications only. Environmental Characteristics Operating temperature 0 °C to 45 °C Operating humidity 10% to 90% relative humidity, noncondensing Pollution Degree Maximum altitude 2,000 m (800 mbar) (at 25 °C ambient temperature) Installing the Software You must be an Administrator to install NI software on your computer.

  • Page 8: Installing The Software Using The Driver Download Page

    USRP-2940/2942/2943/2944/2945 Getting Started 3. Select NI-USRP and click INSTALL. 4. Follow the instructions in the installation prompts. Note Windows users may see access and security messages during installation. Accept the prompts to complete the installation. Related information Install NXG ■...

  • Page 9: Connecting The Device

    USRP-2940/2942/2943/2944/2945 Getting Started Connecting the Device The USRP RIO device must be connected either to a desktop computer or a laptop computer. Notice Never turn the USRP RIO device off or on while the computer is on. Connecting to a Desktop Computer Connect the USRP RIO device to a desktop computer using an MXI Express interface kit.

  • Page 10: Powering On The Device

    USRP-2940/2942/2943/2944/2945 Getting Started Figure 2. Connecting the Device with a Laptop Connectivity Kit 1. Cable Included with ExpressCard Interface Kit 2. ExpressCard-8360 for USRP 3. ExpressCard Slot 4. Laptop Computer Powering on the Device 1. Connect the power supply to the USRP RIO device.

  • Page 11: Preparing The Usrp-2945 For Lo Sharing (Optional)

    USRP-2940/2942/2943/2944/2945 Getting Started Note Synchronizing multiple USRP RIO devices requires a CDA-2990 accessory. Ensure that all hardware is set up as previously described. 1. Connect the REF IN port of the USRP RIO device to the first 10 MHz OUT port of the CDA-2990 using a standard SMA (m)-to-SMA (m) cable.

  • Page 12: Preparing The Usrp-2945 For Lo Re-Import (Optional)

    USRP-2940/2942/2943/2944/2945 Getting Started 1. Connect the LO OUT 1 IF2 connector of the USRP-2945 back panel to the LO IN 0 IF2 connector of the same USRP-2945 back panel using an SMA (m)-to- SMA (m) cable. 2. Connect the LO OUT 1 IF1 connector of the USRP-2945 back panel to the LO IN 0 IF1 connector of the same USRP-2945 back panel using an SMA (m)-to- SMA (m) cable.

  • Page 13: Programming The Device

    USRP-2940/2942/2943/2944/2945 Getting Started Figure 5. LO Re-Import Configuration NI PXI-5691 RF Amplifier ACCESS ACTIVE 50 MHz - 8 GHz +30 dBm 50 Ω CH 0 50 Ω +30 dBm 50 Ω CH 1 50 Ω 1G/10G ETH 9-16V DC SFP+Ports 7.5 A MAX...
  • Page 14 USRP-2940/2942/2943/2944/2945 Getting Started NI-USRP Instrument Driver The NI-USRP instrument driver features a set of functions and properties that exercise the capabilities of the USRP RIO device, including configuration, control, and other device-specific functions. Related concepts Refer to the NI-USRP Manual for information about using the instrument ■...
  • Page 15 USRP-2940/2942/2943/2944/2945 Getting Started Software Description Use Case Palette Location Option Uses the USRP RIO Sample LabVIEW: Functions » Projects, which allow you Instrument I/O » Instrument to take common Drivers » USRP RIO measurements with your device. USRP RIO Sample Projects are included in the installation.

  • Page 16: Verifying The Device Connection (Optional)

    USRP-2940/2942/2943/2944/2945 Getting Started Content Description LabVIEW LabVIEW NXG or Type LabVIEW Communications System Design Suite Code Drivers » Sharing NI-USRP » Community Examples. at ni.com/ usrp. Lessons NI-USRP includes From the Learning tab, select Lessons » Getting lessons that guide you Started »...

  • Page 17: Troubleshooting

    USRP-2940/2942/2943/2944/2945 Getting Started 1. Navigate to Learning » Examples » Hardware Input and Output » NI-USRP » NI- USRP. 2. Select Rx Continuous Async. Click Create. 3. Run USRP Rx Continuous Async. If the device is receiving signals you will see data on the front panel graphs.

  • Page 18: Why Doesn't The Usrp Device Appear In The Ni-Usrp Configuration Utility

    USRP-2940/2942/2943/2944/2945 Getting Started Verify that the power switch on the front of the device is engaged. ■ Why Doesn't the USRP Device Appear in the NI-USRP Configuration Utility? Check the connection between the USRP RIO device and the computer. Ensure that the USRP RIO device is powered on and connected to a computer before you power on the computer.

  • Page 19: Why Don't Ni-Usrp Examples Appear In The Ni Example Finder In Labview

    USRP-2940/2942/2943/2944/2945 Getting Started If you cannot confirm this, then the issue is not likely caused by a compatibility problem between your computer and the PCIe card. Contact NI or visit ni.com/support 2. Install the latest BIOS Compatibility software. 3. Restart your computer.

  • Page 20: Usrp-2940 Front Panel, Back Panel, And Leds

    USRP RIO device TX 1 RX 1, RX 1, or RX 2 connector, ensure that the device cannot generate signal transients greater than the RF and DC specifications of the USRP RIO device TX 1 RX 1, RX 1, or RX 2 connector. USRP-2940 Front Panel, Back Panel, and LEDs Front Panel JTAG...
  • Page 21 USRP-2940/2942/2943/2944/2945 Getting Started Description Color Indication RF 0 TX1 Indicates the transmit status of The device is not active. the device. Green The device is transmitting data. The device is not transmitting data. Indicates the receive status of The device is not receiving data.
  • Page 22 USRP-2940/2942/2943/2944/2945 Getting Started Description Color Indication Green The device is receiving data. Table 9. LED Descriptions The LED indications described in the following table occur only when you use the NI-USRP API with the default FPGA image. When you use LabVIEW FPGA, you customize the LED indications.

  • Page 23: Usrp-2942 Front Panel, Back Panel, And Leds

    USRP-2940/2942/2943/2944/2945 Getting Started Connector Description GPS ANT Input terminal for the GPS antenna signal. GPS ANT is a female SMA connector with a maximum input power of 15 dBm and an output of DC 5 V to power an active antenna.
  • Page 24 USRP-2940/2942/2943/2944/2945 Getting Started Note The LED indications described in the following table occur only when you use the NI-USRP API with the default FPGA image. When you use LabVIEW FPGA, you customize the LED indications. Description Color Indication RF 0 TX1 Indicates the transmit status of The device is not active.
  • Page 25 USRP-2940/2942/2943/2944/2945 Getting Started Description Color Indication Indicates the receive status of The device is not receiving data. the device. Green The device is receiving data. Table 9. LED Descriptions Back Panel 1G/10G ETH PCIe x4 9-16V DC SFP+Ports TRIG TRIG 7.5 A MAX...

  • Page 26: Usrp-2943 Front Panel, Back Panel, And Leds

    USRP-2940/2942/2943/2944/2945 Getting Started Connector Description GPS ANT Input terminal for the GPS antenna signal. GPS ANT is a female SMA connector with a maximum input power of 15 dBm and an output of DC 5 V to power an active antenna.
  • Page 27 USRP-2940/2942/2943/2944/2945 Getting Started Description Color Indication RF 0 TX1 Indicates the transmit status of The device is not active. the device. The device is receiving data. Green The device is transmitting data. Indicates the receive status of The device is not receiving data.
  • Page 28 USRP-2940/2942/2943/2944/2945 Getting Started Description Color Indication Green The device is receiving data. Table 9. LED Descriptions The LED indications described in the following table occur only when you use the NI-USRP API with the default FPGA image. When you use LabVIEW FPGA, you customize the LED indications.

  • Page 29: Usrp-2944 Front Panel, Back Panel, And Leds

    USRP-2940/2942/2943/2944/2945 Getting Started Connector Description PPS TRIG IN accepts 0 V to 3.3 V TTL and 0 V to 5 V TTL signals. You can also use this port as a triggered input (TRIG IN) that you control using NI-USRP software.
  • Page 30 USRP-2940/2942/2943/2944/2945 Getting Started Description Color State Indication RF 0 TX1 Indicates the transmit status — The device is not active. of the device. Solid The device is transmitting data. Green Solid The device is receiving data. Indicates the receive status —...
  • Page 31 USRP-2940/2942/2943/2944/2945 Getting Started Back Panel 1G/10G ETH PCIe x4 9-16V DC SFP+Ports TRIG TRIG 7.5 A MAX 3.3 V +15 dBm –15 dBm 3.3V 5V MAX 5V DC Connector Input that accepts a 9 V to 16 V, 6 A external DC power connector.

  • Page 32: Usrp-2945 Front Panel, Back Panel, And Leds

    USRP-2940/2942/2943/2944/2945 Getting Started USRP-2945 Front Panel, Back Panel, and LEDs Front Panel Connector Use JTAG A USB port that connects the host computer to the device FPGA for recovery purposes. This port can be used with the Xilinx iMPACT configuration tool to temporarily load a new bitfile.
  • Page 33 USRP-2940/2942/2943/2944/2945 Getting Started Description Color State Indication Indicates the status of the — There is no reference signal, or the reference signal. device is not locked to the reference signal. Green Blinking The device is not locked to the reference signal.
  • Page 34 USRP-2940/2942/2943/2944/2945 Getting Started Connector 1G/10G ETH Two SFP+ input terminals used for 1G ETH or 10G ETH connectivity with the host driver. Not currently supported in LabVIEW FPGA. LO OUT 1 IF2 Output terminal for the IF LO signal exported by RF 1. LO OUT 1 IF2 is a female SMA connector with an impedance of 50 Ω.
  • Page 35 USRP-2940/2942/2943/2944/2945 Getting Started Connector PPS TRIG IN Input terminal for pulse per second (PPS) timing reference. PPS TRIG IN is a female SMA connector with an impedance of 50 Ω, and it is a single-ended input channel. PPS TRIG IN accepts 0 V to 3.3 V TTL and 0 V to 5 V TTL signals. You can also use this port as a triggered input (TRIG IN) that you control using NI-USRP.
  • Page 36 NI product. Product registration facilitates technical support and ensures that you receive important information updates from NI corporate headquarters is located at 11500 N Mopac Expwy, Austin, TX, 78759-3504, USA. ni.com © 2022 National Instruments Corporation.

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