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Analog Devices - RF Agile Transceiver

Numéro de référence AD9364
Description RF Agile Transceiver
Fabricant Analog Devices 
Logo Analog Devices 





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AD9364 fiche technique
Data Sheet
FEATURES
RF 1 × 1 transceiver with integrated 12-bit DACs and ADCs
Band: 70 MHz to 6.0 GHz
Supports time division duplex (TDD) and frequency division
duplex (FDD) operation
Tunable channel bandwidth (BW): <200 kHz to 56 MHz
3-band receiver: 3 differential or 6 single-ended inputs
Superior receiver sensitivity with a noise figure of <2.5 dB
Rx gain control
Real-time monitor and control signals for manual gain
Independent automatic gain control
2-band differential output transmitter
Highly linear broadband transmitter
Tx EVM: ≤−40 dB
Tx noise: ≤−157 dBm/Hz noise floor
Tx monitor: ≥66 dB dynamic range with 1 dB accuracy
Integrated fractional-N synthesizers
2.4 Hz maximum local oscillator (LO) step size
Multichip synchronization
CMOS/LVDS digital interface
APPLICATIONS
Point to point communication systems
Femtocell/picocell/microcell base stations
General-purpose radio systems
GENERAL DESCRIPTION
The AD9364 is a high performance, highly integrated radio fre-
quency (RF) Agile Transceiver™ designed for use in 3G and 4G base
station applications. Its programmability and wideband capability
make it ideal for a broad range of transceiver applications.
The device combines an RF front end with a flexible mixed-signal
baseband section and integrated frequency synthesizers, simpli-
fying design-in by providing a configurable digital interface to a
processor. The AD9364 operates in the 70 MHz to 6.0 GHz range,
covering most licensed and unlicensed bands. Channel bandwidths
from less than 200 kHz to 56 MHz are supported.
The direct conversion receiver has state-of-the-art noise figure
and linearity. The receive (Rx) subsystem includes independent
automatic gain control (AGC), dc offset correction, quadrature
correction, and digital filtering, thereby eliminating the need for
these functions in the digital baseband. The AD9364 also has
flexible manual gain modes that can be externally controlled.
Two high dynamic range ADCs digitize the received I and Q
signals and pass them through configurable decimation filters
RF Agile Transceiver
AD9364
FUNCTIONAL BLOCK DIAGRAM
RXB_P,
RXB_N
RXA_P,
RXA_N
RXC_P,
RXC_N
TX_MON
TXA_P,
TXA_N
TXB_P,
TXB_N
SPI
CTRL
AD9364
Rx LO
Tx LO
ADC
DAC
CTRL
GPO
PLLs
P0_[D11:D0]/
TX_[D5:D0]
P1_[D11:D0]/
RX_[D5:D0]
RADIO
SWITCHING
CLK_OUT
AUXADC AUXDACx XTALN
NOTES
1. SPI, CTRL, P0_[D11:D0]/TX_[D5:D0], P1_[D11:D0]/RX_[D5:D0],
AND RADIO SWITCHING CONTAIN MULTIPLE PINS.
Figure 1.
and 128-tap FIR filters to produce a 12-bit output signal at the
appropriate sample rate.
The transmitter uses a direct conversion architecture that achieves
high modulation accuracy with ultralow noise. This transmitter
design produces a Tx EVM of ≤−40 dB, allowing significant system
margin for the external power amplifier (PA) selection. The on-
board transmit (Tx) power monitor can be used as a power
detector, enabling highly accurate Tx power measurements.
The fully integrated phase-locked loops (PLLs) provide low
power fractional-N frequency synthesis for all Rx and Tx channels.
All VCO and loop filter components are integrated.
The core of the AD9364 can be powered directly from a 1.3 V
regulator. The IC is controlled via a standard 4-wire serial port and
four real-time input control pins. Comprehensive power-down
modes are included to minimize power consumption during
normal use. The AD9364 is packaged in a 10 mm ×10 mm,
144-ball chip scale packageball grid array (CSP_BGA).
Rev. B
Document Feedback
Information furnishedb yA nalogD evices isbe lieved to bea ccuratean dr eliable.H owever,n o
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
licenseisgranted by implicationorotherwise underany patentorpatentrightsofAnalogDevices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One T echnology Way, P .O. B ox 91 06, Nor wood, MA 020 62-9106, U. S.A.
Tel: 781.329.4700 ©2013–2014 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
http://www.Datasheet4U.com

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