RF2422 데이터 시트보기 (PDF) - RF Micro Devices
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RF2422 Datasheet PDF : 6 Pages
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RF2422
5
2.5GHZ DIRECT QUADRATURE MODULATOR
Typical Applications
• Digital Communications Systems
• GSM, DCS 1800, JDC, D-AMPS Systems
• Spread-Spectrum Communication Systems • Commercial and Consumer Systems
• GMSK,QPSK,DQPSK,QAM Modulation
Product Description
The RF2422 is a monolithic integrated quadrature modu-
lator IC capable of universal direct modulation for high-
0.157
0.150
-A-
0.008
0.004
5
frequency AM, PM, or compound carriers. This low-cost
IC implements differential amplifiers for the modulation
inputs, 90° carrier phase shift network, carrier limiting
0.393
0.018
0.014
amplifiers, two matched double-balanced mixers, sum-
0.386
0.050
ming amplifier, and an output RF amplifier which will drive
50Ω from 800MHz to 2500MHz. Component matching,
which can only be accomplished with monolithic con-
struction, is used to full advantage to obtain excellent
0.244
0.229
0.068
0.053
amplitude balance and phase accuracy.
8° MAX
0° MIN
0.034 0.009
0.016 0.007
NOTES:
1. Shaded lead is Pin 1.
2. All dimensions are excluding
mold flash.
3. Lead coplanarity - 0.005 with
respect to datum "A".
Optimum Technology Matching® Applied
Si BJT
üGaAs HBT
GaAs MESFET
Si Bi-CMOS
SiGe HBT
Si CMOS
I REF 1
Q REF 2
GND2 3
GND2 4
GND2 5
LO 6
VCC1 7
PD 8
Σ
-45°
+45°
POWER
CONTROL
16 I SIG
15 Q SIG
14 GND1
13 GND1
12 GND1
11 VCC2
10 GND1
9 RF OUT
Package Style: SOIC-16
Features
• Single 5V Power Supply
• Integrated RF Quadrature Network
• No Tuning Required
• Low LO Input Level
• Digitally Controlled Power Down Mode
• 800MHz to 2500MHz Operation
Ordering Information
RF2422
2.5GHz Direct Quadrature Modulator
RF2422 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 A5 010817
5-29
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