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Analog Devices - 50 MHz to 2200 MHz Quadrature Modulator

Numéro de référence ADL5386
Description 50 MHz to 2200 MHz Quadrature Modulator
Fabricant Analog Devices 
Logo Analog Devices 





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ADL5386 fiche technique
50 MHz to 2200 MHz Quadrature Modulator
with Integrated Detector and VVA
ADL5386
FEATURES
Output frequency range: 50 MHz to 2200 MHz
1 dB output compression: 11 dBm @ 350 MHz
Noise floor: −160 dBm/Hz @ 350 MHz
Sideband suppression: −46 dBc @ 350 MHz
Carrier feedthrough: −38 dBm @ 350 MHz
30 dB of linear AGC dynamic range @ 350 MHz
Single supply: 4.75 V to 5.5 V
40-lead, Pb-free LFCSP_VQ with exposed paddle
APPLICATIONS
Radio-link infrastructures
Cable modem termination systems
Wireless/cellular infrastructure systems
Wireless local loops
WiMAX/broadband wireless access systems
GENERAL DESCRIPTION
The ADL5386 is a quadrature modulator with unmatched
integration levels for low intermediate frequency (IF) and radio
frequency (RF) transmitters within broadband wireless access
systems, microwave radio links, cable modem termination
systems, and cellular infrastructure equipment. The ADL5386
operates over a frequency range of 50 MHz to 2200 MHz. Its
excellent phase accuracy and amplitude balance supports high data
rate, complex modulation for next-generation communication
infrastructure equipment.
In addition, the ADL5386 incorporates a standalone
logarithmic power detector, as well as a voltage variable
attenuator (VVA). The attenuator has its own separate input and
output pins for easy cascading with filters and buffer amplifiers.
The wide dynamic range of the power detector and VVA provides
flexibility in the choice of the signal monitoring point in the
transmitter system.
The wide baseband input bandwidth of 700 MHz allows for
either baseband drive or a drive from a complex IF signal.
Typical applications are in IF or direct-to-RF radio-link
transmitters, cable modem termination systems, broadband
wireless access systems, and cellular infrastructure equipment.
The ADL5386 takes signals from two differential baseband inputs
and modulates them onto two carriers in quadrature with each
other. The two internal carriers are derived from a single-ended,
external local oscillator (LO) input signal at twice the frequency
as the desired output. The output amplifier is designed to drive
a 50 Ω load.
The ADL5386 consists of two die, one fabricated using the
Analog Devices, Inc., advanced SiGe bipolar process, and the other
using an external GaAs process. The ADL5386 is packaged in a
40-lead, Pb-free LFCSP_VQ with an exposed paddle. Performance
is specified over the −40°C to +85°C range. A Pb-free evaluation
board is also available.
IBBP 25
IBBN 26
LOIP 33
LOIN 34
QBBN 29
QBBP 30
FUNCTIONAL BLOCK DIAGRAM
VPOS
38 37 36 35
VPOS ENBL
23 22 21
24
MODOUT ATTI
10 12
NC
9
QUADRATURE
PHASE
SPLITTER
IQ MOD
BIAS
ADL5386
15dB
17 ATTCM
14 ATTCM
20 ATTO
6 VREF
IV
7 VDET/VCTL
TEMPERATURE
SENSOR
LOG
DETECTOR
4 CLPF
I V 3 VSET
8
TEMP
12
INLO INHI
39 5 11 13 15 16 18 19 27 28 31 32 40
TADJ
COMM
Figure 1.
Rev. 0
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2009 Analog Devices, Inc. All rights reserved.

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