UBX

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Device Overview

The UBX daughterboard is a full-duplex wideband transceiver that covers frequencies from 10 MHz to 6 GHz. Coherent and phase-aligned operation across multiple UBX daughterboards on USRP X Series motherboards enables users to explore MIMO and direction finding applications. The UBX daughterboard works interchangeably with other USRP daughterboards and is supported by the USRP Hardware Driver™ (UHD) software API for seamless integration into existing applications.

The UBX is capable of phase coherent operation, and therefore is suitable for MIMO and Phased Array applications, on the X Series. Additionally this capability is only available on the X Series devices.

Key Features

  • Frequency Range: 10 MHz - 6 GHz
  • Versions: 40MHz / 160MHz
  • RF shielding
  • Full duplex operation with independent TX and RX frequencies
  • Synthesizer synchronization for applications requiring coherent or
    phase-aligned operation, supported on USRP X Series motherboards only
Product ubx 40.png
Product ubx 160.png

RF Specifications

  • Noise Figure
    • 10 - 20 MHz: 3 - 4 dB
    • 20 - 500 MHz: 2 - 3 dB
    • 0.5 - 1.5 GHz: 2 - 4 dB
    • 1.5 - 4 GHz: 4 - 5 dB
    • 4 - 6 GHz: 5-7 dB
  • RX IIP3 (Max)*
    • 10** - 35 MHz: 4 - 10 dBm
    • 35 - 500 MHz: 10 - 12 dBm
    • 0.5 - 1.5 GHz: 8 - 13 dBm
    • 1.5 - 6 GHz: 8 - 9 dBm
  • RX IQ Imbalance
    • 10 MHz - 6 GHz: < -30dBc
  • TX Power (Max)
    • 10 MHz - 3.5 GHz: > 20 dBm
    • 3.5 - 4 GHz: 18 - 20 dBm
    • 4 - 5 GHz: 13 - 18 dBm
    • 5 - 6 GHz: 7 - 13 dBm
  • TX OIP3
    • 10 - 500 MHz: > 40 dBm
    • 0.5 - 3 GHz: > 36 dBm
    • 3 - 5 GHz: > 30 dBm
    • 5 - 6 GHz: > 26 dBm
  • TX IQ Imbalance
    • 10 MHz - 6 GHz: < -30 dBc

Note: * Noise Figure < 10 dB

Note: ** High Gain at 10 MHz

Hardware Specifications

UBX-40

  • Details

UBX-160

  • Details

Environmental Specifications

Operating Temperature Range

  • 0-40 °C

USRP Compatibility

UBX-40

  • N or X Series

UBX-160

  • X Series only

Schematics

UBX

UBX Schematics

Key Component Datasheets

Part Number Description Schematic ID Schematic Page
MAX2871
ADL5375-05
LFCN-2250+
LTC5510
LFCN-490+
HMC624LP4E
NBB-400
PHA-1+
ADA4927-2
ADL5380
MGA-62563
LFCN-1700+
VMMK-3603
LFCN-2600+
855916
LTC5510
LFCN-2600+
TCM1-63AX+
ADA4927-2
AD8591
ADL5380
ZXTC2062E6
NFA21SL
HMC624ALP4E
LFCN-800+
ADP7104-3.3
ADL5375-05
LTC5510
24LC024
ADP7104-5.0
ZXTC2062E6

Mechanical Info

  • Add Drawings

RF Connectors

  • The UBX daughterboard features female SMA connectors for both the TX/RX and RX2 connectors.

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

UBX-40/UBX-160

Important Notes

  • A larger 24W (6V, 4A) power supply is required when using a UBX-40 daughterboard and integrated GPS Disciplined Oscillator accessory together in a USRP2, USRP N200, or USRP N210 device.
  • The UBX-160 transmitter path has 160 MHz of bandwidth throughout the full frequency range of the device; the receiver path has 84 MHz of bandwidth for center frequencies from 10 MHz to 500 MHz.

Performance Data

Downloads

FPGA Resources

UHD Stable Binaries

UHD Source Code on Github