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RF2174

3V DCS POWER AMPLIFIER

RF Micro Devices 

Preliminary

2

RF2174

3V DCS POWER AMPLIFIER

Typical Applications

• 3V DCS1800 (PCN) Cellular Handsets

• Commercial and Consumer Systems

• 3V DCS1900 (PCS) Cellular Handsets

• Portable Battery-Powered Equipment

• 3V Dual-Band/Triple-Band Handsets

• GPRS Compatible

2

Product Description

The RF2174 is a high power, high efficiency power ampli-

fier module offering high performance in GSM or GPRS

applications. The device is manufactured on an advanced

GaAs HBT process, and has been designed for use as

the final RF amplifier in DCS1800/1900 hand-held digital

cellular equipment and other applications in the

1700MHz to 2000MHz band. On-board power control

provides over 65dB of control range with an analog volt-

age input, and provides power down with a logic "low" for

standby operation. The device is self-contained with 50Ω

input and the output can be easily matched to obtain opti-

mum power and efficiency characteristics. The RF2174

can be used together with the RF2173 for dual-band

operation. The device is packaged in an ultra-small plas-

tic package, minimizing the required board space.

Optimum Technology Matching® Applied

Si BJT

üGaAs HBT

GaAs MESFET

Si Bi-CMOS

SiGe HBT

Si CMOS

1 16 15 14 13

AT_EN 2

12 RF OUT

RF IN 3

11 RF OUT

GND1 4

10 RF OUT

56 7 89

3.75

3.75

0.75

0.50

2

0.45

0.28

1

0.80

TYP

1

+

1.60 4.00

12°

INDEX AREA 3

0.75 1.00

0.65 0.90

0.05

0.00

1.50 SQ

3.20

4.00

NOTES:

1 Shaded Pin is Lead 1.

2

Dimension applies to plated terminal and is measured between

0.10 mm and 0.25 mm from terminal tip.

The terminal #1 identifier and terminal numbering convention

3 shall conform to JESD 95-1 SPP-012. Details of terminal #1

identifier are optional, but must be located within the zone

indicated. The identifier may be either a mold or marked

feature.

4 Pins 1 and 9 are fused.

5 Package Warpage: 0.05 max.

Package Style: LCC, 16-Pin, 4x4

Features

• Single 2.7V to 4.8V Supply Voltage

• +33dBm Output Power at 3.5V

• 27dB Gain with Analog Gain Control

• 51% Efficiency

• 1700MHz to 1950MHz Operation

• Supports DCS1800 and PCS1900

Ordering Information

RF2174

3V DCS Power Amplifier

RF2174 PCBA Fully Assembled Evaluation Board

Functional Block Diagram

RF Micro Devices, Inc.

7628 Thorndike Road

Greensboro, NC 27409, USA

Tel (336) 664 1233

Fax (336) 664 0454

http://www.rfmd.com

Rev A6 010720

2-231

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