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RF Micro Devices - UHF QUADRATURE MODULATOR

Numéro de référence RF2424
Description UHF QUADRATURE MODULATOR
Fabricant RF Micro Devices 
Logo RF Micro Devices 





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RF2424 fiche technique
RF2424
5 UHF QUADRATURE MODULATOR
Typical Applications
• Digital Communications Systems
• GSM and D-AMPS Systems
• Spread Spectrum Communication Systems • AM, SSB, DSB Modulation
• GMSK,QPSK,DQPSK,QAM Modulation • Image-Reject Upconverters
Product Description
The RF2424 is a monolithic integrated quadrature modu-
lator IC capable of universal direct modulation for high-
frequency AM, PM, or compound carriers. Maximum out-
put power is +7.5dBm, which is achieved with low input I
and Q signal levels. This low-cost IC implements differen-
tial amplifiers for the modulation inputs, 90° carrier phase
shift network, carrier limiting amplifiers, two matched dou-
ble-balanced mixers, summing amplifier, and an output
RF amplifier which will drive 50from 700MHz to
1000 MHz.
0.196
0.189
0.157
0.150
0.2440
0.2284
0.012
0.008
0.025
-A-
0.0098
0.0040
0.0688
0.0532
8° MAX
0°MIN
0.050
0.016
0.0098
0.0075
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
üSi BJT
GaAs HBT
GaAs MESFET
Si Bi-CMOS
SiGe HBT
Si CMOS
I REF 1
Q REF 2
VCC1 3
MIXOUT 4
GND1 5
GND1 6
LO 7
GND3 8
POWER
CONTROL
Σ
-45°
+45°
16 ISIG
15 QSIG
14 GND1
13 VCC2
12 PD
11 GND1
10 GND2
9 RFOUT
Package Style: SSOP-16
Features
• Single 2.7V to 5.5V Power Supply
• +7.5dBm Output Power
• No Tuning Required
• Low LO Input Level
• Digitally Controlled Power Down Mode
• 700MHz to 1000MHz Operation
Ordering Information
RF2424
UHF Quadrature Modulator
RF2424 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
5
Rev A6 010817
5-43

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