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AD6650:  Diversity IF-to-Baseband GSM/EDGE Narrow-Band Receiver

Product Details


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.

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

Data Sheet, Rev. A, 1/07

FEATURES and BENEFITS

  • 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

Functional Block Diagram for AD6650

Documentation

Title Content Type File Type
AD6650: Diversity IF-to-Baseband GSM/EDGE Narrow-Band Receiver Data Sheet  (Rev A, 01/2007) (pdf, 1053 kB) Data Sheets PDF
AN-835: Understanding High Speed ADC Testing and Evaluation  (pdf, 985 kB) Application Notes PDF
AN-851: A WiMax Double Downconversion IF Sampling Receiver Design  (pdf, 262 kB) Application Notes PDF
MS-2210: Designing Power Supplies for High Speed ADC  (pdf, 327 kB) Technical Articles PDF
The Hard Truth about System-on-Chip Designs
by Chris Cloninger, Analog Devices, Inc. (EETimes, 3/17/2004)
Technical Articles HTML
Smart Partitioning Eyes 3G Basestation
by Brad Brannon and Paul Henricks, Analog Devices, Inc. (EE Times, 10/18/02)
Technical Articles HTML
Analog Devices Introduces First Integrated IF-to-Baseband Diversity Receiver for GSM/EDGE Wireless Base Stations  (htm)
New MxFE device integrates the functionality of seven components on a single chip. (AnalogAvenue Product of the Week)
Product Reviews HTM
Get More Mixed Signal Integration For Less Risk, Cost, and Size Overview HTML
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Evaluation Kits & Symbols & Footprints

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Price, packaging, availability

Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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