features

and

specifications

www.conexant.com

Further Information

literature@conexant.com

(800) 854-8099 (North America)

(949) 483-6996 (International)

Order # 101066A

00-0880

Wireless Communications

Printed in USA

World Headquarters

Conexant Systems, Inc.

4311 Jamboree Road

Newport Beach, CA

92660-3007

Phone: (949) 483-4600

Fax 1: (949) 483-4078

Fax 2: (949) 483-4391

Americas

U.S. Northwest – Santa Clara

Phone: (408) 249 -9696

Fax: (408) 249 -7113

U.S. Southwest – Los Angeles

Phone: (805) 376 -0559

Fax: (805) 376 - 8180

U.S. Southwest – Newport Beach

Phone: (949) 483-9119

Fax: (949) 483-9090

U.S. San Diego

Phone: (858) 713-4730

Fax: (858) 713-4008

U.S. North Central – Illinois

Phone: (630) 773-3454

Fax: (630) 773 -3907

U.S. South Central/Mexico

– Texas

Phone: (972) 871-1920

Fax: (972) 871-8910

U.S. Northeast – Massachusetts

Phone: (978) 367-3200

Fax: (978) 256 - 6868

U.S. Carolinas – North Carolina

Phone: (919) 858 -9110

Fax: (919) 858 - 8669

U.S. Southeast/South America

– Florida

Phone: (727) 799 - 8406

Fax: (727) 799 - 8306

U.S. Mid-Atlantic – Pennsylvania

Phone: (215) 244- 6784

Fax: (215) 244- 9292

Canada – Ontario

Phone: (613) 271-2358

Fax: (613) 271-2359

Europe

Europe Central – Germany

Phone: +49 89 829 -1320

Fax: +49 89 834-2734

Europe North – England

Phone: +44 1344 486444

Fax: +44 1344 486555

Europe – Israel/Greece

Phone: +972 9 9524000

Fax: +972 9 9573732

Europe South – France

Phone: +33 1 41 44 36 51

Fax: +33 1 41 44 36 90

Europe Mediterranean – Italy

Phone: +39 02 93179911

Fax: +39 02 93179913

Europe – Sweden

Phone: +46 (0) 8 5091 4319

Fax: +46 (0) 8 590 041 10

Europe – Finland

Phone: +358 (0) 9 85 666 435

Fax: +358 (0) 9 85 666 220

Asia Pacific

Taiwan

Phone: (886 -2) 2-720-0282

Fax: (886 -2) 2-757- 6760

Australia

Phone: (61-2) 9869 4088

Fax: (61-2) 9869 4077

China – Central

Phone: 86 -21- 6361-2515

Fax: 86 -21- 6361-2516

China – South

Phone: (852) 2 827- 0181

Fax: (852) 2 827- 6488

China – South (Satellite)

Phone: (86) 755 -5182495

Fax: (86 ) 755 -5183024

China – North

Phone: (86 -10) 8529 - 9777

Fax: (86 -10) 8529 - 9778

India

Phone: (91-11) 692-4789

Fax: (91-11) 692 -4712

Korea

Phone: (82-2) 565-2880

Fax: (82-2) 565-1440

Korea (Satellite)

Phone: (82-53) 745-2880

Fax: (82-53) 745-1440

Singapore

Phone: (65) 737 7355

Fax: (65) 737 9077

Japan

Phone: (81-3) 5371 1520

Fax: (81-3) 5371 1501

CX74002 Tx ASIC block diagram

Package dimensions — 40-pin 6mm x 6mm LGA package

Product Features

• Image reject upconverter saves two

RF surface acoustic waves (SAWs) filters

in dual-band applications

• Driver gain can be changed either by a con-

tinuous signal or by a step signal through

the driver gain control signal

• 100-800 MHz oscillator (external tank)

• VCO_ON feature to increase the talk time of

the radio

• Two separate phase lock loop (PLL) synthesizers

• Dual-loop multiband operation

• Power-save mode for both standby and lower-

frequency operation

• Fully programmable PLL dividers

• Selectable charge–pump currents for multi-

VCO applications controlled via serial bus

interface

Applications

• cdmaOne, cdma2000 and AMPS modes in the

following bands:

– U.S. cellular

– Japan cellular

– U.S. PC S

– Korea PCS

• WCDMA in the IMT-2000 band

Conexant and the Conexant symbol are trademarks of Conexant Systems, Inc.

The CX74002, along with Conexant’s CX74001 receive RFIC, a Conexant

power amplifier module, and Conexant’s baseband analog processor forms

a complete RF subsystem that interfaces with the most common cdma

baseband devices.