1 of 8

Optimum Technology Matching® Applied

GaAs HBT

InGaP HBT

GaAs MESFET

SiGe BiCMOS

Si BiCMOS

SiGe HBT

GaAs pHEMT

Si CMOS

Si BJT

GaN HEMT

Functional Block Diagram

RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trade-

mark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2006, RF Micro Devices, Inc.

Product Description

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

Ordering Information

RF MEMS

LDMOS

VBAT

Bias Control &

RF OUT

RF IN

VMODE1

VEN

VMODE0

VCC

CPL IN

CPL OUT

GND

5

4

1

2

3

6

7

10

9

8

RF7234

3V TD-SCDMA/W-CDMA LINEAR PA MODULE

BAND 1 AND 1880MHz TO 2025MHz

The RF7234 is a high-power, high-efficiency, linear power amplifier

designed for use as the final RF amplifier in 3V, 50

 TD-SCDMA mobile

cellular equipment and spread-spectrum systems. This PA is developed for

TD-SCDMA 1880MHz to 1920MHz and 2010MHz to 2025MHz frequency

band, plus W-CDMA Band 1. The RF7234 has two digital control pins to

select one of three power modes to optimize performance and current

drain at lower power levels. The part also has an integrated directional

coupler which eliminates the need for an external discrete coupler at the

output. The RF7234 is fully TD-SCDMA/W-CDMA/HSDPA-compliant and is

assembled in a 10-pin, 3mmx3mm module.

Features



TD-SCDMA and HSDPA Com-

pliant



Low Voltage Positive Bias

Supply (3.4V to 4.2V)



+28dBm Linear Output

Power W-CDMA

(+26.5dBm HSDPA)



+27.5dBm Output Power

TD-SCDMA



High Efficiency Operation

(TD-SCDMA)



(Without DC/DC Converter)



Low Quiescent Current in Low

Power Mode: 17mA



Internal Voltage Regulator

Eliminates the Need for Exter-



3-Mode Power States with

Digital Control Interface



Supports DC/DC Converter

Operation



Integrated Power Coupler



Integrated Blocking and Col-

lector Decoupling Capacitors

Applications



TD-SCDMA/HSDPA/W-CDMA

Wireless Handsets and Data

Cards



Dual-Mode UMTS Wireless

Handsets

RF7234

3V TD-SCDMA/W-CDMA Linear PA Module Band 1 and

1880MHz to 2025MHz

RF7234PCBA-410

Fully Assembled Evaluation Board

DS100427



Package Style: Module, 10-Pin, 3mmx3mmx1.0mm