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RF9906

8

Typical Applications

鈥?CDMA/FM Cellular Systems

鈥?Supports Dual-Mode AMPS/CDMA

鈥?Supports Dual-Mode TACS/CDMA

鈥?General Purpose Downconverter

鈥?Commercial and Consumer Systems

鈥?Portable Battery Powered Equipment

CDMA/FM LOW NOISE AMPLIFIER/MIXER

D

F2

E

44

S

9

&

IG

R

F2

N

46

S

.157

.150

.033

1

Product Description

N

ro

du

E

ct

W

Optimum Technology Matching廬 Applied

Si BJT

Si Bi-CMOS

VCC1 1

GND1 2

LNA IN 3

GND2 4

IF2 5

R

.050

.016

.010

.008

!

GaAs HBT

SiGe HBT

Package Style: SSOP-24

GaAs MESFET

Si CMOS

Features

鈥?Complete Receiver Front-End

鈥?Analog Gain Control

鈥?Single 3.6V Power Supply

鈥?Buffered LO Output

鈥?Digitally Selectable IF Outputs

鈥?500MHz to 1500MHz Operation

N

S

ee

O

T

U

GND3 6

pg

IF SELECT 7

GND4 8

IF1+ 9

FO

ra

de

R

d

24 BYPASS

23 GND6

SELECT

LOGIC

P

22 LNA OUT

21 GND7

20 MIX IN -

19 GND8

18 MIN IN +

17 GND9

16 LO BUFF OUT

15 LO BUFF ENABLE

14 LO IN -

13 LO IN +

IF1- 10

Ordering Information

RF9906

RF9906 PCBA

CDMA/FM Low Noise Amplifier/Mixer

Fully Assembled Evaluation Board

GAIN 11

IF GAIN

ADJUST

VCC2 12

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 C5 000822

8-113

FRONT-ENDS

The RF9906 is a receiver front-end designed for the

receive section of dual-mode CDMA/FM cellular applica-

tions. It is designed to amplify and down-convert RF sig-

nals while providing 9dB of gain control range. Noise

Figure, IP3, and other specs are designed to be compati-

ble with the IS-95 Interim Standard for CDMA cellular

communications. This circuit is designed as part of the

RFMD CDMA Chip Set, consisting of this Receive LNA/

Mixer, a Receive IF AGC Amp, a Transmit IF AGC Amp,

and a Transmit Upconverter. The IC is manufactured on

an advanced Gallium Arsenide Heterojunction Bipolar

Transistor (HBT) process, and is packaged in a standard

miniature 24-lead plastic SSOP package.

.010

.004

.344

.337

.012

.008

.025

.244

.228

1

.069

.053

8擄MAX

0擄MIN

8

s

next

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