Table Of Contents

USRP-2901 Specifications

Version:
    Last Modified: May 17, 2017

    Definitions

    Warranted specifications describe the performance of a model under stated operating conditions and are covered by the model warranty.

    Characteristics describe values that are relevant to the use of the model under stated operating conditions but are not covered by the model warranty.

    • Typical specifications describe the expected performance met by a majority of the models.
    • Nominal specifications describe parameters and attributes that may be useful in operation.

    Specifications are Characteristics unless otherwise noted.

    Conditions

    Specifications are valid at 25 °C unless otherwise noted.

    Transmitter

    Frequency range

    70 MHz to 6 GHz

    Frequency step

    <1 kHz

    Maximum output power (Pout)

    20 dBm

    Gain range[1]

    89.75 dB

    Gain step

    0.25 dB

    Frequency accuracy[2]

    2.5 ppm

    Maximum instantaneous real-time bandwidth

    56 MHz

    Maximum I/Q rate[3]

    Streaming[4]

    15 MS/s

    Burst

    One channel

    61.44 MS/s

    Two channels

    30.72 MS/s

    Digital-to-analog converter (DAC)[5]

    12 bits

    Receiver

    Frequency range

    70 MHz to 6 GHz

    Frequency step

    <1 kHz

    Gain range[6]

    76 dB

    Gain step

    1.0 dB

    Maximum input power (Pin)

    -15 dBm

    Noise figure

    5 dB to 7 dB

    Frequency accuracy[7]

    2.5 ppm

    Maximum instantaneous real-time bandwidth

    56 MHz

    Maximum I/Q rate[8]

    Streaming[9]

    15 MS/s

    Burst

    One channel

    61.44 MS/s

    Two channels

    30.72 MS/s

    Analog-to-digital converter (ADC)[10]

    12 bits

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    Note  

    The USRP-2901 has two local oscillators, one for the transmit (Tx) channels and one for the receive (Rx) channels. While different frequencies can be used for the Tx and Rx channels, the two Tx channels are locked to the same frequency, and the two Rx channels are locked to the same frequency.

    Power

    Total power, typical operation

    Typical

    3 W to 3.5 W

    Maximum

    4.5 W

    Power requirement

    Accepts a 6 V, 3 A external DC power connector

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    Caution  

    You must use either the power supply provided in the shipping kit, or another UL listed ITE power supply marked LPS, with the USRP-2901.

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    Caution  

    The protection provided by this product may be impaired if it is used in a manner not described in this document.

    Physical Characteristics

    If you need to clean the module, wipe it with a dry towel.

    Physical dimensions

    (L × W × H)

    12.5 cm × 9.4 cm × 3.8 cm (7.0 in. × 4.9 in. × 1.5 in.)

    Weight

    676 g (1.5 lb)

    Environment

    Maximum altitude

    2,000 m (800 mbar) (at 25 °C ambient temperature)

    Pollution Degree

    2

    Indoor use only.

    Operating Environment

    Ambient temperature range

    23 °C ± 5 °C

    Relative humidity range

    10% to 90%, noncondensing (tested in accordance with IEC 60068-2-56.)

    Compliance and Certifications

    Safety

    This product is designed to meet the requirements of the following electrical equipment safety standards for measurement, control, and laboratory use:

    • IEC 61010-1, EN 61010-1
    • UL 61010-1, CSA C22.2 No. 61010-1
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    Note  

    For UL and other safety certifications, refer to the product label or the Online Product Certification section.

    Electromagnetic Compatibility

    This product meets the requirements of the following EMC standards for electrical equipment for measurement, control, and laboratory use:
    • EN 61326-1 (IEC 61326-1): Class A emissions; Basic immunity
    • EN 55011 (CISPR 11): Group 1, Class A emissions
    • EN 55022 (CISPR 22): Class A emissions
    • EN 55024 (CISPR 24): Immunity
    • AS/NZS CISPR 11: Group 1, Class A emissions
    • AS/NZS CISPR 22: Class A emissions
    • FCC 47 CFR Part 15B: Class A emissions
    • ICES-001: Class A emissions
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    Note  

    In the United States (per FCC 47 CFR), Class A equipment is intended for use in commercial, light-industrial, and heavy-industrial locations. In Europe, Canada, Australia, and New Zealand (per CISPR 11), Class A equipment is intended for use only in heavy-industrial locations.

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    Note  

    Group 1 equipment (per CISPR 11) is any industrial, scientific, or medical equipment that does not intentionally generate radio frequency energy for the treatment of material or inspection/analysis purposes.

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    Note  

    For EMC declarations, certifications, and additional information, refer to the Online Product Certification section.

    CE Compliance

    This product meets the essential requirements of applicable European Directives, as follows:

    • 2014/35/EU; Low-Voltage Directive (safety)
    • 2014/30/EU; Electromagnetic Compatibility Directive (EMC)

    Online Product Certification

    Refer to the product Declaration of Conformity (DoC) for additional regulatory compliance information. To obtain product certifications and the DoC for this product, visit ni.com/certification, search by model number or product line, and click the appropriate link in the Certification column.

    Environmental Management

    NI is committed to designing and manufacturing products in an environmentally responsible manner. NI recognizes that eliminating certain hazardous substances from our products is beneficial to the environment and to NI customers.

    For additional environmental information, refer to the Minimize Our Environmental Impact web page at ni.com/environment. This page contains the environmental regulations and directives with which NI complies, as well as other environmental information not included in this document.

    Waste Electrical and Electronic Equipment (WEEE)

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    EU Customers  

    At the end of the product life cycle, all NI products must be disposed of according to local laws and regulations. For more information about how to recycle NI products in your region, visit ni.com/environment/weee.

    电子信息产品污染控制管理办法(中国RoHS)

    spd-note-china-rohs
    中国客户  

    National Instruments符合中国电子信息产品中限制使用某些有害物质指令(RoHS)。关于National Instruments中国RoHS合规性信息,请登录 ni.com/environment/rohs_china。(For information about China RoHS compliance, go to ni.com/environment/rohs_china.)

    • 1 The output power resulting from the gain setting varies over the frequency band and among devices.
    • 2 Frequency accuracy is based on temperature-compensated crystal oscillator (TCXO) vendor specifications and is not measured. Alternatively, you can incorporate an external reference source to provide a more precise frequency Reference Clock and to achieve better frequency accuracy.
    • 3 I/Q sample rate depends on many factors including, but not limited to, USB3 chipset, number of active channels, and host computer performance. Data throughput may vary.
    • 4 Benchmark setup: LabVIEW Communications 2.0 Tx Continuous Async example running in Windows 7 configured for a single RF channel and a graph refresh rate set to once per 128 cycles. Benchmark hardware: Asus Z97 motherboard, 16 GB memory, 4GHz i7 4790k CPU, and a ASMedia XHCI 1.0 USB controller.
    • 5 The DAC rate changes with the sample rate.
    • 6 The received signal amplitude resulting from the gain setting varies over the frequency band and among devices.
    • 7 Frequency accuracy is based on temperature-compensated crystal oscillator (TCXO) vendor specifications and is not measured. Alternatively, you can incorporate an external reference source to provide a more precise frequency Reference Clock and to achieve better frequency accuracy.
    • 8 I/Q sample rate depends on many factors including, but not limited to, USB3 chipset, number of active channels, and host computer performance. Data throughput may vary.
    • 9 Benchmark setup: LabVIEW Communications 2.0 Rx Continuous Async example running in Windows 7 configured for a single RF channel and a graph refresh rate set to once per 128 cycles. Benchmark hardware: Asus Z97 motherboard, 16 GB memory, 4GHz i7 4790k CPU, and a ASMedia XHCI 1.0 USB controller.
    • 10 The ADC rate changes with the sample rate.

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