RF2302 データシートの表示（PDF） - RF Micro Devices

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RF2302

BROADBAND LINEAR VARIABLE GAIN AMPLIFIER

RF Micro Devices 

RF2302

4

BROADBAND LINEAR

VARIABLE GAIN AMPLIFIER

Typical Applications

• CDMA Cellular/PCS and JCDMA Systems • Wireless Local Loop Systems

• TDMA Cellular/PCS Systems

• Wideband CDMA Systems

• GSM Systems

• PDC Systems (950MHz and 1450MHz)

Product Description

4

The RF2302 is a broadband linear variable gain amplifier

that was designed specifically for digital communications

systems that require linear amplification over a wide gain

control range. It is suitable for use in CDMA or TDMA sys-

tems in the cellular or PCS band, in DAMPS systems,

and in PDC systems. Operating supply voltage ranges

from 3V to 6V. The device operates over a large fre-

quency band, from 100MHz to 2000MHz, and is tuned to

a specific frequency band with an output bias feed induc-

tor and blocking capacitor. Bias optimization may be

achieved by adjusting the voltage to pin 8 (PD). The IC is

manufactured on an advanced Gallium Arsenide Hetero-

junction Bipolar Transistor (GaAs HBT) process and is

featured in a new standard miniature 8-lead plastic

MSOP package.

0.192

+ 0.008

0.012

0.006

+ 0.003

A

0.0256

0.118

+ 0.004 sq.

6° MAX

0° MIN

0.021

+ 0.004

0.034

0.006

+ 0.002

NOTES:

1. Shaded lead is pin 1.

2. All dimensions are exclusive of flash,

protrusions or burrs.

3. Lead coplanarity: 0.002 with respect

to datum "A".

Optimum Technology Matching® Applied

Si BJT

üGaAs HBT

GaAs MESFET

Si Bi-CMOS

SiGe HBT

Si CMOS

Package Style: MSOP-8

Features

• 25dB Linear Gain Control range

• +14dBm OP1dB at 3.5V (836MHz)

RF IN 1

VCC 2

GND 3

8 PD

7 RF OUT

6 GND

• Single 3V to 6V Supply

• 14dB Max Gain at 836MHz

• 10dB Max Gain at 1900MHz

• 4dB Noise Figure at 836MHz

GND 4

5 GC

Ordering Information

RF2302

Broadband Linear Variable Gain Amplifier

RF2302 PCBA-L Fully Assembled Evaluation Board 836MHz

RF2302 PCBA-H Fully Assembled Evaluation Board 1.88GHz

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 A8 010410

4-43

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