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RF2484_06 Datasheet

  • RF2484_06

  • DIRECT QUADRATURE MODULATOR

  • 10頁

  • RFMD

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RF2484
0
RoHS Compliant & Pb-Free Product
Typical Applications
鈥?Dual-Band CDMA Base Stations
鈥?TDMA/TDMA-EDGE Base Stations
鈥?GSM-EDGE/EGSM Base Stations
Product Description
The RF2484 is a monolithic integrated quadrature modu-
lator IC capable of universal direct modulation for high-
frequency AM, PM, or compound carriers. This low-cost
IC features excellent linearity, noise floor, and over-tem-
perature carrier suppression performance. The device
implements differential amplifiers for the modulation
inputs, 90擄 carrier phase shift network, carrier limiting
amplifiers, two matched double-balanced mixers, sum-
ming amplifier, and an output RF amplifier which will drive
50惟 from 800MHz to 2500MHz. It is packaged in a small
industry-standard QFN 16-pin plastic package.
0.10 C B
-B-
DIRECT QUADRATURE MODULATOR
鈥?W-CDMA Base Stations
鈥?WLAN and WLL Systems
鈥?GMSK,QPSK,DQPSK,QAM Modulation
4.00
0.10 C B
2 PLCS
3.75
2 PLCS
2.00
0.80
TYP
2
A
1.60
2 PLCS
3.75
0.75
0.50
INDEX AREA
Dimensions in mm.
1.50
SQ.
4.00
0.10 C A
2 PLCS
0.45
0.28
3.20
2 PLCS
2.00
0.10 C A
2 PLCS
Shaded pin is lead 1.
12擄
MAX
0.05
0.00
0.10 M C A B
1.00
0.90
0.75
0.65
C
0.05
Optimum Technology Matching廬 Applied
Si BJT
Si Bi-CMOS
InGaP/HBT
GaAs pHEMT
GaAs HBT
SiGe HBT
GaN HEMT
GaAs MESFET
Si CMOS
SiGe Bi-CMOS
Package Style: QFN, 16-pin, 4x4
Features
鈥?Typical Carrier Suppression>35dBc,
Sideband Suppression>35dBc over
temperature with highly linear operation
QREF
QSIG
IREF
GND
ISIG
鈥?Noise Floor better than -152dBm/Hz
from 800MHz to 2200MHz
鈥?Single 5V Power Supply
1
GND 2
16
15
14
13
12 GND
危
GND 3
LO 4
5
GND
6
VCC
-45擄
+45擄
11 GND
10 VCC
7
PD
8
RF OUT
9
GND
Ordering Information
RF2484
Direct Quadrature Modulator
RF2484PCBA-410 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 A7 061115
5-1

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