UBX
Contents
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
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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
Physical Specifications
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Environmental Specifications
Operating Temperature Range
- 0-40 °C
USRP Compatibility
UBX-40
- N or X Series
UBX-160
- X Series only
Schematics
UBX
Datasheets
NFA21SL
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
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.
