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Analog Devices Semiconductor Electronic Components Datasheet

AD6650 Datasheet

Diversity IF to Baseband GSM/EDGE Narrowband Receiver

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AD6650 pdf
AD6650 Diversity IF-to-Baseband
GSM/EDGE Narrow-Band Receiver
AD6650
FEATURES
116 dB dynamic range
Digital VGA
I/Q demodulators
Active low-pass filters
Dual wideband ADC
Programmable decimation and channel filters
VCO and phase-locked loop circuitry
Serial data output ports
Intermediate frequencies of 70 MHz to 260 MHz
10 dB noise figure
+43 dBm input IP2 at 70 MHz IF
−9.5 dBm input IP3 at 70 MHz IF
3.3 V I/O and CMOS core
Microprocessor interface
JTAG boundary scan
APPLICATIONS
PHS or GSM/EDGE single carrier, diversity receivers
Microcell and picocell systems
Wireless local loop
Smart antenna systems
Software radios
In-building wireless telephony
PRODUCT DESCRIPTION
The AD6650 is a diversity intermediate frequency-to-baseband
(IF-to-baseband) receiver for GSM/EDGE. This narrow-band
receiver consists of an integrated DVGA, IF-to-baseband I/Q
demodulators, low-pass filtering, and a dual wideband ADC.
The chip can accommodate IF input from 70 MHz to 260 MHz.
The receiver architecture is designed such that only one external
surface acoustic wave (SAW) filter for main and one for diversity
are required in the entire receive signal path to meet GSM/EDGE
blocking requirements.
Digital decimation and filtering circuitry provided on-chip
remove unwanted signals and noise outside the channel of
interest. Programmable RAM coefficient filters allow antialiasing,
matched filtering, and static equalization functions to be combined
in a single cost-effective filter. The output of the channel filters
is provided to the user via serial output I/Q data streams.
AIN
VGA
AIN
CPOUT
LF
VLDO
PLL/
VCO
BIN
VGA
BIN
0
/4 90
FUNCTIONAL BLOCK DIAGRAM
TWEAK GAIN
DAC
I
LPF
MUX
LPF
Q
AGC
RELIN
CTRL
12-BIT
ADC
COARSE
DCC
LP
FILTER
4TH
ORDER
CIC
7TH
ORDER
IIR
REF
LPF
LPF
JTAG
Q
MUX
12-BIT
ADC
COARSE
DCC
I
DAC
TWEAK GAIN
CLK
DIVIDER
AGC
RELIN
CTRL
4TH
ORDER
CIC
7TH
ORDER
IIR
LP
FILTER
AD6650 GSM/
EDGE IF RECEIVER
PROG.
FIR
(RCF)
FINE
DCC
BIST
SERIAL
PORT
SCLK
SDFS
SDO0
SDO1
DR
PROG.
FIR
(RCF)
FINE
DCC
BIST
MICRO
Figure 1.
Rev. A
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 ©2006–2007 Analog Devices, Inc. All rights reserved.


Analog Devices Semiconductor Electronic Components Datasheet

AD6650 Datasheet

Diversity IF to Baseband GSM/EDGE Narrowband Receiver

No Preview Available !

AD6650 pdf
AD6650* Product Page Quick Links
Last Content Update: 11/01/2016
Comparable Parts
View a parametric search of comparable parts
Documentation
Application Notes
• AN-835: Understanding High Speed ADC Testing and
Evaluation
• AN-851: A WiMax Double Downconversion IF Sampling
Receiver Design
Data Sheet
• AD6650: Diversity IF-to-Baseband GSM/EDGE Narrow-
Band Receiver Data Sheet
Reference Materials
Technical Articles
• MS-2210: Designing Power Supplies for High Speed ADC
• Smart Partitioning Eyes 3G Basestation
• The Hard Truth about System-on-Chip Designs
Design Resources
• AD6650 Material Declaration
• PCN-PDN Information
• Quality And Reliability
• Symbols and Footprints
Discussions
View all AD6650 EngineerZone Discussions
Sample and Buy
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Technical Support
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number
* This page was dynamically generated by Analog Devices, Inc. and inserted into this data sheet. Note: Dynamic changes to
the content on this page does not constitute a change to the revision number of the product data sheet. This content may be
frequently modified.


Part Number AD6650
Description Diversity IF to Baseband GSM/EDGE Narrowband Receiver
Maker Analog Devices
Total Page 30 Pages
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