Difference between revisions of "WBX"
From Ettus Knowledge Base
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* [[Media:cu ettus-wbx-cca.pdf]] | * [[Media:cu ettus-wbx-cca.pdf]] | ||
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==RF Connectors== | ==RF Connectors== | ||
Revision as of 19:02, 27 July 2016
Contents
- 1 Device Overview
- 2 Key Features
- 3 Daughterboard Specifications
- 4 RF Specifications
- 5 Hardware Specifications
- 6 Environmental Specifications
- 7 USRP Compatibility
- 8 Schematics
- 9 Key Component Datasheets
- 10 Mechanical Information
- 11 RF Connectors
- 12 Certifications
- 13 Certificate of Volatility
- 14 RF Performance Data
- 15 Downloads
Device Overview
The WBX is a wide bandwidth transceiver that provides up to 100 mW of output power and a noise figure of 5 dB. The LO's for the receive and transmit chains operate independently.
The WBX provides phase coherent operation, although with a 180-degree ambiguity, which must be calibrated out in the application. For phase-coherent applications, Ettus Research recommends the SBX with the N200/N210 or the SBX or UBX with the X300/X310.
Key Features
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Daughterboard Specifications
Features
- 2 quadrature frontends (1 transmit, 1 receive)
- Defaults to direct conversion
- Can be used in low IF mode through lo_offset with uhd::tune_request_t
- Independent receive and transmit LO's and synthesizers
- Allows for full-duplex operation on different transmit and receive frequencies
- Can be set to use Integer-N tuning for better spur performance with uhd::tune_request_t
Antennas
Transmit: TX/RX
Receive: TX/RX or RX2
- Frontend 0: Complex baseband signal for selected antenna
- Note: The user may set the receive antenna to be TX/RX or RX2. However, when using a WBX board in full-duplex mode, the receive antenna will always be set to RX2, regardless of the settings.
Gains
- Transmit Gains: PGA0, Range: 0-25dB
- Receive Gains: PGA0, Range: 0-31.5dB
Bandwidths
- WBX: 40 MHz, RX & TX
- WBX-120: 120 MHz, RX & TX
Sensors
- lo_locked: boolean for LO lock state
RF Specifications
Freq Range
- 50MHz - 2.2GHz
Noise Figure
- 2 - 4 dB @ (50MHz ~ 1.2GHz)
- 4 - 8 dB @ (1.2GHz ~ 2.2GHz)
RX IIP3 (Max)
- 10 - 18 dBm
RX IQ Imbalance
- -30 dBc
TX Power (Max)
- 18 - 20 dBm @ (50MHz ~ 1.4 GHz)
- 12 - 18dBm @ (1.4GHz ~ 2.2 GHz)
TX OIP3
- 30 - 32 dBm @ (50MHz ~ 800MHz)
- 25 - 30 dBm @ (800MHz ~ 2.2GHz)
TX IQ Imbalance
- -30 dBc @ (50MHz ~ 1.9GHz)
- - 24 dBc @ (1.9GHz ~ 2.2GHz)
Hardware Specifications
- Ettus Research recommends to always use the latest stable version of UHD
WBX-40
- Current Hardware Revision: 1
- Minimum version of UHD required: 3.8.0
WBX-120
- Current Hardware Revision: 1
- Minimum version of UHD required: 3.8.0
Environmental Specifications
Operating Temperature Range
- 0-40 °C
Operating Humidity Range
- 10% to 90% non-condensing
USRP Compatibility
WBX-40
- N or X Series
WBX-120
- X Series only
Schematics
WBX
Key Component Datasheets
| Part Number | Description | Schematic ID (Page) |
|---|---|---|
| ADA4937 | Ultralow Distortion Differential ADC Driver | U304 (2) |
| ADP3336 | High Accuracy Ultralow IQ, 500 mA anyCAP® Adjustable Low Dropout Regulator | U306, U308 (2); U503, U505 (4) |
| ADL5387 | 50 MHz to 2 GHz Quadrature Demodulator | U307 (2) |
| ADL5385 | 50 MHz to 2200 MHz Quadrature Modulator | U501 (4,5) |
| ADF4350 / ADF4351 | Wideband Synthesizer with Integrated VCO | U201 (3); U401 (5) |
| HMC472LP4 | Attenuator | U302 (2); U504 (4,5) |
| MGA82563 | Amplifier | U313 (2) |
| 24LC024 | EEPROM | U202 (3); U403 (5) |
| GVA−84+ | Amplifier | U502 (4) |
Mechanical Information
Drawings
RF Connectors
- The WBX daughterboard features female MCX 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
