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AD6620:  65MSPS Digital Receive Signal Processor

Product Details


Analog Devices' innovative Diversity Receiver chipset delivers two IF-to-baseband diversity channels in a compact, comprehensive solution that incorporates Automatic Gain Control, Received Signal Strength Indicator, high-resolution. Numerically Controlled Oscillator and digital filtering on-chip.

The chipset comprises Analog Devices' AD6600 dual-channel IF sampling analog-to-digital converter and AD6620 dual-channel decimating receiver chip. Configured with the appropriate external components, it can address a variety of air interface standards, including GSM, CDMA, IS136 and PHS, as well as proprietary modulation schemes for paging systems and wireless fixed access receivers.

Based on Analog Devices' next-generation receiver architecture, the Diversity Receiver replaces sensitive analog filters with digital filters for significant cost and size reductions. Complete reference designs show the optimal layout for reducing noise and minimizing cross-channel coupling.

FEATURES and BENEFITS

  • High Input Sample Rate
    67 MSPS Single Channel Real
    33.5 MSPS Diversity Channel Real
    33.5 MSPS Single Channel Complex
  • NCO Frequency Translation
    Worst Spur Better than –100 dBc
    Tuning Resolution Better than 0.02 Hz
  • 2nd Order Cascaded Integrator Comb FIR Filter
    Linear Phase, Fixed Coefficients
    Programmable Decimation Rates: 2, 3 . . . 16
  • 5th Order Cascaded Integrator
    Comb FIR Filter
    Linear Phase, Fixed Coefficients
    Programmable Decimation Rates:
    1, 2, 3 . . . 32
  • Programmable Decimating RAM
    Coefficient FIR Filter
    Up to 134 Million Taps per Second
    256 20-Bit Programmable Coefficients
    Programmable Decimation Rates:
    1, 2, 3 . . . 32

Functional Block Diagram for AD6620

Documentation

Title Content Type File Type
AD6620: 65 MSPS Digital Receive Signal Processor Data Sheet  (Rev A, 06/2001) (pdf, 400 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
AN-502: Designing A Superheterodyne Receiver Using an IF Sampling Diversity Chipset  (pdf, 198 kB)
The AD6600/AD6620 Chipset Simplifies Receiver Design
Application Notes PDF
Introducing Digital Up/Down Converters: VersaCOMM™ Reconfigurable Digital Converters  (pdf, 63 kB)
Revolutionize your radio architectures
Technical Articles PDF
Digital Up/Down Converters: VersaCOMM™ White Paper  (pdf, 97 kB) Technical Articles PDF
Basics of Designing a Digital Radio Receiver (Radio 101)  (pdf, 77 kB) Technical Articles PDF
Designing Filters with the AD6620  (pdf, 687 kB)
This technical note introduces the basics of designing digital filters using the AD6620.
Technical Articles PDF
Smart Partitioning Eyes 3G Basestation
by Brad Brannon and Paul Henricks, Analog Devices, Inc. (EE Times, 10/18/02)
Technical Articles HTML
Designing a Super-Heterodyne Multi-Channel Digital Receiver  (pdf, 49 kB) Technical Articles PDF
AD6640/AD6620 Multi-Channel Multi-Mode Receiver Chipset  (pdf, 42 kB) Overview PDF
AD6600/AD6620 Diversity Receiver Chipset  (pdf, 38 kB) Overview PDF
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Evaluation Kits & Symbols & Footprints

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

SampleSample & Buy

Price, packaging, availability

AD6620 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD6620ASZ Status: Production 80 ld MQFP (14x14mm) 80 Ind Tray, 84 $22.26 $19.81 Y  Material Info PCN Purchase
AD6620ASZ-REEL Status: Production 80 ld MQFP (14x14mm) 80 Ind Reel, 500 - $19.81 Y  Material Info PCN Purchase
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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