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Analog Devices - (ADL5370 - ADL5374) Quadrature Modulator

Numéro de référence ADL5374
Description (ADL5370 - ADL5374) Quadrature Modulator
Fabricant Analog Devices 
Logo Analog Devices 





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ADL5374 fiche technique
Preliminary Technical Data
FEATURES
Output frequency range: 250 MHz to 4000 MHz
Modulation bandwidth: 700 MHz (3 dB)
1 dB output compression: 12 dBm @ 2140 MHz
Noise floor: -158 dBm/Hz
Sideband Suppression: < -40 dBc
www.DataSheeLt4OUL.ceoamkage: < - 40 dBm
Single supply: 4.75 V to 5.5 V
24-Lead LFCSP package
APPLICATIONS
Cellular/PCS communication systems infrastructure
WCDMA/CDMA2000/GSM/EDGE, WiMax
Wi-Max/broadband wireless access systems
PRODUCT DESCRIPTION
The F-MOD family of monolithic, RF quadrature modulators is
designed for use from 250 MHz to 4000 MHz. Excellent phase
accuracy and amplitude balance enable high performance direct
RF modulation for communication systems.
The F-MOD family can be used as direct-to-RF modulators in
digital communication systems such as GSM, CDMA, and
WCDMA base stations, and QPSK or QAM broadband wireless
access transmitters. A 700 MHz 3 dB baseband bandwidth
makes it ideal in broadband Zero-IF or Low-IF-to-RF
applications and in broadband Digital Pre-Distortion
transmitters.
The F-MOD family is fabricated using Analog Devices’
advanced Silicon-Germanium bipolar process, and are available
in a 24-lead exposed-paddle LFCSP package. Performance is
specified over a –40°C to +85°C temperature range.
F-MOD - 250 MHz to 4000 MHz
Quadrature Modulator Family
ADL5370/1/2/3/4
FUNCTIONAL BLOCK DIAGRAM
IBBP
IBBN
LOIP
LOIN
QBBN
QBBP
Quadrature
Phase
Splitter
VOUT
Figure 1.
Four Carrier PSD in 30kHz BW
-20
-30
-40
-50
-60
-66dBc -68dBc
-70
ACPR
ALT
-80
-90
-100
-110
-120
1975
1978
1982
1985
1988
1992
1995 1998 2002 2005
Frequency [MHz]
2008
2012
2015
2018
2022
Figure 2. ADL5372 Four Carrier WCDMA Spectrum @ 2
GHz, -14.5 dBm per Carrier
Rev. PrG 4/26/2006
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no 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 license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.326.8703 © 2006 Analog Devices, Inc. All rights reserved.

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