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RF2643

3V DUAL-BAND UPCONVERTER AND DRIVER AMPLIFIER

RF Micro Devices 

Preliminary

6

Typical Applications

• TDMA/AMPS Cellular Systems

• CDMA/AMPS Cellular Systems

RF2643

3V DUAL-BAND UPCONVERTER

AND DRIVER AMPLIFIER

• PCS Systems

• Portable Battery-Powered Equipment

Product Description

1.00

4.00

0.90

sq.

The RF2643 is a complete upconverter, dual-power

0.60

amplifier driver and attenuator designed for Cellular and

0.24 typ

0.65

0.30

4 PLCS

PCS systems. It is designed to upconverter and amplifies

RF signals while providing 22dB of linear gain control

3 0.20

range. It features digital control for the mixer and drivers.

2.10

sq.

6

The device features balanced IF inputs, single-ended LO

input and dual RF output for Cellular and PCS Systems

respectively. The IC is manufactured on an advanced Sili-

con Bi-CMOS process and packaged in a 20-pin,

4mmx4mm, leadless chip carrier with an exposed die

flag.

12°

0.75

MAX

0.50

0.05

0.50

Dimensions in mm.

NOTES:

1 Shaded lead is Pin 1.

Note orientation of package.

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

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

and 0.25 mm from terminal end.

4 Package Warpage: 0.05 mm max.

5 Die Thickness Allowable: 0.305 mm max.

0.23

0.13

4 PLCS

Optimum Technology Matching® Applied

Si BJT

üSi Bi-CMOS

GaAs HBT

SiGe HBT

GaAs MESFET

Si CMOS

* 20 19 18 17 16 *

PD 1

Logic

15

CELL

ATT GND

LO 2

14 CELL OUT

BYPASS 3

13 VGC

IF+ 4

12 PCS OUT

IF- 5

11

PCS

ATT GND

*6

7

8

9 10 *

* Represents "GND".

Package Style: LCC, 20-Pin, 4x4

Features

• Single Supply 3.0V Operation

• Power Down Control

• Gain Control Range of 22dB

• Driver Amplifier Select Pin (RF Output

Select)

• High Linearity in Mixer and Driver Amp

Ordering Information

RF2643

3V Dual-Band Upconverter and Driver Amplifier

RF2643 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 A1 010717

6-37

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