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RF3108

2

Typical Applications

鈥?3V Dual-Band/Triple-Band GSM Handsets

鈥?Commercial and Consumer Systems

鈥?Portable Battery-Powered Equipment

鈥?GPRS Compatible

TRIPLE-BAND GSM/DCS/PCS

POWER AMP MODULE

2

POWER AMPLIFIERS

10.0 + 0.10

1.00

typ.

Product Description

The RF3108 is a high-power, high-efficiency power ampli-

fier module offering high performance in GSM or GPRS

applications. The device is self-contained with 50鈩?input

and output terminals. The device is manufactured on an

advanced GaAs HBT process, and has been designed for

use as the final RF amplifier in GSM/DCS and PCS hand

held-digital cellular equipment and other applications in

the 880MHz to 915MHz and 1710MHz to 1910MHz

bands. On-board power control provides over 70dB of

control range with an analog voltage input, and provides

power down with a logic "low" for standby operation. The

device is packaged in an ultra-small (9mmx10mm) LCC,

minimizing the required board space.

1.40

1.40

1.40

1.40

1.40

1.40

1.30

0.30

0.60

typ.

9.0 + 0.10

Note orientation of Pin 1.

0.90

typ.

0.38

Ref.

1.55

+ 0.10

NOTE: Shaded area represents Pin 1.

Optimum Technology Matching廬 Applied

Si BJT

Si Bi-CMOS

眉

GaAs HBT

SiGe HBT

Package Style: Module

GaAs MESFET

Si CMOS

Features

鈥?Single 2.9V to 4.7V Supply Voltage

鈥?+35.5dBm GSM Output Pwr at 3.5V

VCC

PCS IN

PCS V

APC

GND

GSM V

APC

GSM IN

VCC

1

2

3

4

5

6

7

14

13

12

11

10

9

8

PCS OUT

GND

GND

VCC

GND

GND

GSM OUT

鈥?+33.0dBm DCS/PCS Output Pwr at 3.5V

鈥?55% GSM and 50% DCS/PCS Efficiency

鈥?Supports GSM, E-GSM and DCS/PCS

鈥?9mmx10mm Package Size

Ordering Information

RF3108

RF3108 PCBA

Triple-Band GSM/DCS/PCS Power Amp Module

Fully Assembled Evaluation Board

Functional Block Diagram

RF Micro Devices, Inc.

7625 Thorndike Road

Greensboro, NC 27409, USA

Tel (336) 664 1233

Fax (336) 664 0454

http://www.rfmd.com

Rev A3 010702

2-261

next

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