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RF2469 Datasheet

  • RF2469

  • W-CDMA AND PCS LOW NOISE AMPLIFIER/MIXER DOWNCONVERTER

  • 257.36KB

  • 18頁

  • RFMD

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Preliminary
RF2469
W-CDMA AND PCS LOW NOISE
AMPLIFIER/MIXER DOWNCONVERTER
8
Typical Applications
鈥?W-CDMA Handsets
鈥?PCS Handsets
鈥?General Purpose Downconverter
鈥?Commercial and Consumer Systems
鈥?Portable Battery-Powered Equipment
Product Description
The RF2469 is a receiver front-end designed for the
receive section of W-CDMA and PCS applications. It is
designed to amplify and downconvert RF signals while
providing 23dB of stepped gain control range and fea-
tures digital control of the LNA gain and mixer gain. A fur-
ther feature of the chip is adjustable IIP3 of the LNA and
mixer using an off-chip current setting resistor. Noise Fig-
ure, IP3, and other specs are designed to be compatible
with W-CDMA and PCS communications. The IC is man-
ufactured on an advanced Gallium Arsenide Heterojunc-
tion Bipolar Transistor (GaAs HBT) process and
packaged in a 20-pin, leadless chip carrier with an
exposed die flag.
1.00
0.90
0.60
0.24 typ
4.00
sq.
4 PLCS
0.65
0.30
3
0.20
2.10
sq.
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.
8
FRONT-ENDS
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
Si BJT
Si Bi-CMOS
眉
GaAs HBT
SiGe HBT
LNA1 IN
VCC1
GND
Package Style: LCC, 20-Pin, 4x4
GaAs MESFET
Si CMOS
ENABLE
Features
鈥?Complete Receiver Front-End
鈥?Stepped LNA/Mixer Gain Control
鈥?Adjustable LNA/Mixer Bias Current
鈥?23dB Maximum Cascade Gain
鈥?2.5dB Noise Figure at Maximum
Cascade Gain
20
LNA1 OUT
GND
VCC1
VCC1
LNA2 IN
1
2
3
4
5
6
LNA2 OUT
19
18
17
VCC1
16
15
14
LNA1 BYP
LNA2
BYP
GND
VCC1
LO IN
Logic
Control
13
12
11
7
GND
8
MIX IN
9
IF+
10
IF-
Ordering Information
RF2469
RF2469 PCBA
W-CDMA and PCS Low Noise Amplifier/Mixer Down-
converter
Fully Assembled Evaluation Board
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
Functional Block Diagram
RF Micro Devices, Inc.
7628 Thorndike Road
Greensboro, NC 27409, USA
Rev A5 010717
8-33

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