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AD6634:  80 MSPS, Dual-Channel, WCDMA Receive Signal Processor (RSP)

Product Details


The AD6634 is a two channel (dual) digital Receive Signal Processor (RSP) with four cascaded signal-processing elements: a frequency translator, two fixed-coefficient decimating filters, and a programmable coefficient-decimating filter. A 16-bit parallel output port provides a means of accommodating high data rate outputs such as in WBCDMA applications.

The AD6634 is part of Analog Devices' SoftCellTM Multi-carrier transceiver chipset designed for compatibility with Analog Devices' family of high sample rate IF sampling ADCs (AD6640/AD6644 12 & 14 bit). The SoftCellTM receiver comprises a digital receiver capable of digitizing an entire spectrum of carriers and digitally selecting the carrier of interest for tuning and channel selection. This architecture eliminates redundant radios in wireless base station applications.

High dynamic range decimation filters offer a wide range of decimation rates. The RAM-based architecture allows easy reconfiguration for multi-mode applications.

FEATURES and BENEFITS

  • 80 MSPS Wide Band Inputs (14 Linear Bit Plus 3 RSSI)
  • Two WCDMA-Digital Receivers In Single Package
  • 16-Bit Parallel Outputs
  • Digital AGC Output Bits for RAKE Receiver
  • Digital Re-Sampling For Non-Integer Decimation Rates
  • Programmable Decimating FIR Filters
  • Flexible Control For Multi-Carrier And Phased Array
  • Programmable Attenuator Control
    for Clip Prevention And External Gain
    Ranging Via Level Indicator
  • 3.3 Volt I/O, 2.5 Volt CMOS Core
  • User Configurable Built In Self Test
    (BIST) Capability
  • JTAG Boundary Scan
  • 156 pin BGA Package

Functional Block Diagram for AD6634

Documentation

Title Content Type File Type
AD6634: Dual-Channel, 80MSPS WCDMA Receive Signal Processor (RSP) Data Sheet  (Rev 0, 09/2002) (pdf, 925 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
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
Smart Partitioning Eyes 3G Basestation
by Brad Brannon and Paul Henricks, Analog Devices, Inc. (EE Times, 10/18/02)
Technical Articles HTML
AD6634 and AD6635 Receive Signal Processors  (pdf, 247 kB) Overview PDF
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Design Tools,Models,Drivers & Software

Title Content Type File Type
AD6634 IBIS Models IBIS Models HTML
AD6634 BSDL File  (txt, 25 kB) BSDL Files TXT

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

AD6634 Model Options
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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