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ADF4602:  Single-Chip, Multiband 3G Femtocell Transceiver

Product Details


The ADF4602 is a 3G transceiver integrated circuit (IC) offering unparalleled integration and feature set. The IC is ideally suited to high performance 3G femtocells providing cellular fixed mobile converged (FMC) services. With only a handful of external components, a full multiband transceiver is implemented.

UMTS Band 1 through Band 6 and Band 8 through Band 10 are supported in a single device.

The receiver is based on a direct conversion architecture. This architecture is the ideal choice for highly integrated wideband CDMA (WCDMA) receivers, reducing the bill of materials by fully integrating all interstage filtering. The front end includes three high performance, single-ended low noise amplifiers (LNAs), allowing the device to support tri-band applications. The single-ended input structure eases interface and reduces the matching components required for small footprint single-ended duplexers. The excellent device linearity achieves good performance with a large range of SAW and ceramic filter duplexers.

The integrated receive baseband filters offer selectable bandwidth, enabling the device to receive both WCDMA and GSM-EDGE radio signals. The selectable bandwidth filter, coupled with the multiband LNA input structure, allows GSM-EDGE signals to be monitored as part of a UMTS home basestation.

The transmitter uses an innovative direct conversion modulator that achieves high modulation accuracy with exceptionally low noise, eliminating the need for external transmit SAW filters.

The fully integrated phase lock loops (PLLs) provide high performance and low power fractional-N frequency synthesis for both receive and transmit sections. Special precautions have been taken to provide the isolation demanded by frequency division duplex (FDD) systems. All VCO and loop filter components are fully integrated.

The ADF4602 also contains on-chip low dropout voltage regulators (LDOs) to deliver regulated supply voltages to the functions on chip, with an input voltage of between 3.1 V and 3.6 V.

The IC is controlled via a standard 3-wire serial interface with advanced internal features allowing simple software programming. Comprehensive power-down modes are included to minimize power consumption in normal use.

Applications

  • 3G home basestations (femtocells)

FEATURES and BENEFITS

  • Chinese data sheet available
  • Single-chip multiband 3G transceiver
    3GPP 25.104 release 9 WCDMA/HSPA compatible
  • UMTS band coverage
    Local area Class BS in Band I to Band VI and Band VIII to Band X
  • Direct conversion transmitter and receiver
  • WCDMA and GSM receive baseband filter options
  • Easy to use with minimal calibration
    Automatic Rx DC offset control
    Simple gain, frequency, mode programming
  • Low supply current
    50 mA typical Rx current
    50 mA to 100 mA Tx current (varies with output power)
  • 6 mm × 6 mm 40-pin LFCSP package
  • Minimal external components
    Integrated multiband multimode monitoring
    No Tx SAW or Rx interstage SAW filters
    Integrated power management
    Integrated synthesizers, including PLL loop filters
    Integrated PA bias control DACs/GPOs
  • See data sheet for additional Features

Functional Block Diagram for ADF4602

Of Note ...

This product is designed for a highly specific application. The detailed data sheet contains information about proprietary technology, and is only available to customers whose requirements closely match this application and will require a separate NDA. To request a data sheet, please contact the Integrated Transceivers Development Group and provide the following information: end application, annual usage/year, and baseband development strategy.

Unfortunately, we are unable to respond to requests that do not meet our qualification criteria. Technical support for this product is NOT available from our normal Tech Support desk.

For additional information downloads and an overview of ADI's integrated transceiver technology, please click here.

Documentation

Title Content Type File Type
ADF4602: Single-chip, Multi-band 3G Femtocell Transceiver Data Sheet (Rev A, 02/2011) (pdf, 671 kB) Data Sheets PDF
RF Source Booklet  (PDF, 4353 kB)
RF IC Product Overview - Version P (02/2014)
Overview PDF
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Design Tools,Models,Drivers & Software

Title Content Type File Type
ADIsimRF
ADI’s ADIsimRF design tool provides calculations for the most important parameters within the RF signal chain, including cascaded gain, noise figure, IP3, P1dB, and total power consumption.
ADIsim Design/Simulation Tools HTML
ADIsimPLL™- Version 3.43
ADIsimPLL enables the rapid and reliable evaluation of new high performance PLL products from ADI. It is the most comprehensive PLL Synthesizer design and simulation tool available today. Simulations performed include all key non-linear effects that are significant in affecting PLL performance. ADIsimPLL removes at least one iteration from the design process, thereby speeding the design- to-market.
ADIsim Design/Simulation Tools 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.


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