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RF2492

DUAL-BAND LOW NOISE AMPLIFIER/MIXER

RF Micro Devices 

Preliminary

8

RF2492

DUAL-BAND LOW NOISE AMPLIFIER/MIXER

Typical Applications

• TDMA-GSM Cellular/PCS Handsets

• TDMA Cellular/PCS Handsets

• GAIT Handsets

• CDMA Cellular/PCS Handsets

• GSM DCS/PCS Handsets

Product Description

The RF2492 is a fully featured dual-band LNA/Mixer and

is usable in a variety of mobile handset applications. The

unique dual IF outputs provide interface to two indepen-

1.00

0.85

0.80

0.65

0.60

0.24 typ

5.00

sq.

0.45

0.20

4 PLCS

dent IF SAW filters supporting applications such as

TDMA-EDGE where 30kHz and 200kHz bandwidth SAW

3

0.30

0.18

3.25

2.95 sq.

filters are used. With independent power management

control pins for the LNAs and mixers, either IF output can

be accessed from either high- or low-band LNAs, provid-

12°

MAX

0.55

0.30

0.23

ing maximum flexibility with minimum power usage. Multi-

0.05

0.01

0.50

0.13

4 PLCS

ple gain control options are provided to achieve a very

NOTES:

8

large dynamic range for the receiver. A frequency doubler

1 Shaded Pin is Lead 1.

2 Pin 1 identifier must exist on top surface of package by identification

is included in the LO circuit to generate both high- and

mark or feature on the package body. Exact shape and size is optional.

3 Dimension applies to plated terminal: to be measured between 0.02 mm

low-band LO signals with a single VCO. The RF2492 is

and 0.25 mm from terminal end.

4 Package Warpage: 0.05 mm max.

packaged in a 32 pin, 5mmx5mm, leadless plastic pack-

5 Die Thickness Allowable: 0.305 mm max.

age.

Optimum Technology Matching® Applied

Package Style: LCC, 32-Pin, 5x5

Si BJT

Si Bi-CMOS

GaAs HBT

üSiGe HBT

GaAs MESFET

Si CMOS

Features

25 23

PCS LNA IN 30

LNA GAIN SEL 12

MIX GAIN SEL 14

CELL LNA IN 11

IF SEL 9

LNA IP SEL 10

LNA ISET 17

BAND SEL 31

LOGIC

CONTROL

X2 ENABLE 32

15 18

4 IF1+

5 IF1-

7 IF2-

8 IF2+

X2

1

19 PCS LO OUT+

20 PCS LO OUT -

21 CELL LO OUT+

22 CELL LO OUT-

• Complete Dual-Band Receiver Front End

• Low Noise Figure

• Stepped LNA/Mixer Gain Control

• Adjustable LNA Bias Current/IIP3

• Integrated LO Frequency Doubler

• Differential LO Buffer Outputs

Ordering Information

RF2492

Dual-Band Low Noise Amplifier/Mixer

RF2492 PCBA 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 A4 010828

8-33

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