background image

Connector Use

USB

Input that accepts a standard USB cable. A suitable USB cable is included in the

hardware kit.

PPS IN

Input terminal for pulse per second (PPS) timing reference. PPS IN is a female SMA

connector with an impedance of 50 Ω, and it is a single-ended input channel. PPS IN

accepts 0 V to 3.3 V TTL and 0 V to 5 V TTL signals.

PWR

Input that accepts a 6 V, 3 A external DC power connector.

Worldwide Support and Services

The NI website is your complete resource for technical support. At 

ni.com/support

,

you have access to everything from troubleshooting and application development

self-help resources to email and phone assistance from NI Application Engineers.
Visit 

ni.com/services

 for NI Factory Installation Services, repairs, extended warranty,

and other services.
Visit 

ni.com/register

 to register your NI product. Product registration facilitates

technical support and ensures that you receive important information updates from

NI.
A Declaration of Conformity (DoC) is our claim of compliance with the Council of the

European Communities using the manufacturer’s declaration of conformity. This

system affords the user protection for electromagnetic compatibility (EMC) and

product safety. You can obtain the DoC for your product by visiting 

ni.com/

certification

. If your product supports calibration, you can obtain the calibration

certificate for your product at 

ni.com/calibration

.

NI corporate headquarters is located at 11500 North Mopac Expressway, Austin,

Texas, 78759-3504. NI also has offices located around the world. For telephone

support in the United States, create your service request at 

ni.com/support

 or dial

1 866 ASK MYNI (275 6964). For telephone support outside the United States, visit

the Worldwide Offices section of 

ni.com/niglobal

 to access the branch office

websites, which provide up-to-date contact information, support phone numbers,

email addresses, and current events.

© National Instruments

17

USRP-2900/2901 Getting Started

© 2022 National Instruments Corporation.

Содержание USRP-2900

Страница 1: ...USRP 2900 2901 Getting Started 2022 07 11 ...

Страница 2: ...B Connection 8 Changing the Device ID 9 Programming the USRP 2900 2901 11 NI USRP Instrument Driver 11 NI USRP Examples 11 Verifying the Device Connection Optional 11 Troubleshooting 12 Why Doesn t the USRP Device Appear in MAX 12 Why Doesn t the USRP Device Appear in the NI USRP Configuration Utility 12 Front Panels and Connectors 13 Direct Connections to the USRP 2900 2901 13 USRP 2900 Connector...

Страница 3: ...product is connected to a peripheral device or test object or if the product is used in residential or commercial areas To minimize interference with radio and television reception and prevent unacceptable performance degradation install and use this product in strict accordance with the instructions in the product documentation Furthermore any changes or modifications to the product not expressly...

Страница 4: ...a metal part of the computer chassis 2 Remove the device from the package and inspect the device for loose components or any other sign of damage Caution 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 ni com 4 USR...

Страница 5: ...RP 2900 2901 Getting Started Guide This Document Note The driver software media installs the NI USRP driver software and electronic documentation including the NI USRP Help the NI USRP Readme and device specifications After installation you can access USRP 2900 2901 documentation at Start All Programs National Instruments NI USRP Documentation Other Required Items In addition to the kit contents y...

Страница 6: ...e environment you are using the USRP 2900 2901 in meets the following specifications Ambient temperature range 0 C to 55 C Operating temperature 23 C 5 C Operating humidity 10 to 90 relative humidity noncondensing Pollution Degree 2 Maximum altitude 2 000 m Indoor use only Caution Do not operate the USRP 2900 2901 in a manner not specified in this document Product misuse can result in a hazard You...

Страница 7: ...g USRP 2900 2901 Devices Install LabVIEW Communications System Design Software and NI USRP before you install the hardware Note The USRP 2900 2901 device connects to a host computer using a standard USB connector and USB cable 1 Power on the computer 2 Attach the antenna or cable to the front panel terminals of the USRP 2900 2901 device as needed for your application 3 Use the USB cable to connect...

Страница 8: ...nal Reference Clock distribution system such as the CDA 2990 Clock Distribution Device However USB performance varies when multiple devices stream through the same controller Consider using a USRP RIO device if you need to build a high channel count system Confirming USB Connection 1 Select Start All Programs National Instruments NI USRP NI USRP Configuration Utility to open the NI USRP Configurat...

Страница 9: ...SRP Configuration Utility to open the NI USRP Configuration Utility 3 Select the Devices tab of the utility Your device should appear in the list on the left side of the tab 4 In the list select the device for which you want to change the device ID If you have multiple devices verify that you selected the correct device The device ID of the selected device displays in the Selected Device ID textbo...

Страница 10: ...le the device and click Find Devices in the utility to update the list of devices Configuring Multiple Devices with USB You can connect multiple devices in the following ways Multiple USB 2 0 or 3 0 interfaces One device for each interface Single USB 2 0 or 3 0 interface Multiple devices connected to a USB 2 0 or 3 0 hub Tip Sharing a single USB 2 0 or 3 0 controller interface on your host compute...

Страница 11: ...emonstrate some of the functionality of the USRP 2900 2901 You can use these examples separately or integrate them into your systems NI USRP includes examples for getting started and other SDR functionality You can access the NI USRP examples from the following locations In LabVIEW Communications System Design Software at Learning Examples Hardware Input and Output From the Start menu at Start All...

Страница 12: ...vice and connect the other end of the SMA m to SMA m cable to the RX 1 TX 1 port 3 On the host computer open the niUSRP EX Tx Continuous Async example VI and run it If the device is transmitting signals the IQ graph displays I and Q waveforms 4 Open the niUSRP EX Rx Continuous Async example VI and run it If the device is receiving signals the IQ graph displays I and Q waveforms Troubleshooting If ...

Страница 13: ...s sensitive to ESD and transients Ensure you take the following precautions when making direct connections to the USRP 2900 2901 to avoid damaging the device Caution Apply external signals only while the USRP 2900 2901 is powered on Applying external signals while the device is powered off may cause damage Ensure you are properly grounded when manipulating cables or antennas connected to the USRP ...

Страница 14: ... Front Panel Icon Definitions Connector Use RX2 Input terminal for the RF signal RX2 is an SMA f connector with an impedance of 50 Ω and is a single ended input channel TX1 RX1 Input and output terminal for the RF signal TX1 RX1 is an SMA f connector with an impedance of 50 Ω and is a single ended input or output channel Table 4 USRP 2900 Module Front Panel Connectors LED Description Color Indicat...

Страница 15: ...dance of 50 Ω and it is a single ended input channel PPS IN accepts 0 V to 3 3 V TTL and 0 V to 5 V TTL signals PWR Input that accepts a 6 V 3 A external DC power connector USRP 2901 Connectors and LEDs Figure 5 USRP 2901 Front Panel NI USRP 2901 70 MHz 6 GHz ESD SENSITIVE RF 0 TX1 RX1 RX2 RF 1 TX1 RX1 RX2 Designed by Ettus Research TX OUTPUT MAX 20 dBm RX INPUT MAX 15 dBm ALL RF PORTS 50 Ω Connec...

Страница 16: ... device Off The device is not active Green The device is receiving data TX1 RX1 Indicates the transmit status of the device Off The device is not active Green The device is receiving data Red The device is transmitting data Orange The device is switching between transmitting and receiving data Table 5 USRP 2901 Module LEDs Figure 6 USRP 2901 Module Back Panel Connectors 15 dBm MAX PPS 5V MAX USB P...

Страница 17: ...you receive important information updates from NI A Declaration of Conformity DoC is our claim of compliance with the Council of the European Communities using the manufacturer s declaration of conformity This system affords the user protection for electromagnetic compatibility EMC and product safety You can obtain the DoC for your product by visiting ni com certification If your product supports ...

Отзывы: