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RF2643 Datasheet

  • RF2643

  • 3V DUAL-BAND UPCONVERTER AND DRIVER AMPLIFIER

  • 16頁

  • RFMD

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Preliminary
RF2643
3V DUAL-BAND UPCONVERTER
AND DRIVER AMPLIFIER
6
Typical Applications
鈥?TDMA/AMPS Cellular Systems
鈥?CDMA/AMPS Cellular Systems
鈥?PCS Systems
鈥?Portable Battery-Powered Equipment
Product Description
The RF2643 is a complete upconverter, dual-power
amplifier driver and attenuator designed for Cellular and
PCS systems. It is designed to upconverter and amplifies
RF signals while providing 22dB of linear gain control
range. It features digital control for the mixer and drivers.
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.
1.00
0.90
0.60
0.24 typ
4.00
sq.
0.65
0.30
4 PLCS
3 0.20
2.10
sq.
6
MIXERS
12擄
MAX
0.05
Dimensions in mm.
0.75
0.50
0.50
Note orientation of package.
0.23
0.13
4 PLCS
NOTES:
1 Shaded lead is Pin 1.
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.
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.
3
Optimum Technology Matching廬 Applied
Package Style: LCC, 20-Pin, 4x4
眉
Si Bi-CMOS
CELL
MIXOUT
Si BJT
GaAs HBT
SiGe HBT
CELL GND
CELL VCC
GaAs MESFET
Si CMOS
CELL IN
Features
鈥?Single Supply 3.0V Operation
鈥?Power Down Control
*
PD
LO
BYPASS
IF+
IF-
1
2
3
4
5
*
SEL
20
19
Logic
18
17
16
*
15
14
CELL
ATT GND
CELL OUT
VGC
PCS OUT
PCS
ATT GND
鈥?Gain Control Range of 22dB
鈥?Driver Amplifier Select Pin (RF Output
Select)
鈥?High Linearity in Mixer and Driver Amp
Bias Circuit
13
12
11
6
PCS
MIXOUT
7
VCC MIX
8
VCC
9
PCS VCC
10
PCS IN
*
Ordering Information
RF2643
RF2643 PCBA
3V Dual-Band Upconverter and Driver Amplifier
Fully Assembled Evaluation Board
*
Represents "GND".
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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