RF2480(Rev_A3) Ver la hoja de datos (PDF) - RF Micro Devices
Número de pieza
componentes Descripción
Fabricante
RF2480 Datasheet PDF : 8 Pages
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5
Typical Applications
• Dual-Band CDMA Base Stations
• TDMA/TDMA-EDGE Base Stations
• GSM-EDGE/EGSM Base Stations
RF2480
DIRECT QUADRATURE MODULATOR
• W-CDMA Base Stations
• WLAN and WLL Systems
• TETRA Systems
Product Description
The RF2480 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 features excellent linearity, noise floor, and over-tem-
perature carrier suppression performance. The device
0.393
0.018
0.014
implements differential amplifiers for the modulation
0.386
0.050
inputs, 90° carrier phase shift network, carrier limiting
amplifiers, two matched double-balanced mixers, sum-
ming amplifier, and an output RF amplifier which will drive
50Ω from 800MHz to 2500MHz. Component matching is
0.244
0.229
0.068
0.053
used to obtain excellent 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
• Typical Carrier Suppression>35dBc over
temperature with highly linear operation
• Single 5V Power Supply
• Integrated RF quadrature network
• Digitally controlled Power Down mode
• 800MHz to 2500MHz operation
Ordering Information
RF2480
Direct Quadrature Modulator
RF2480 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 A3 011019
5-29
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