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RF2483_06 Datasheet

  • RF2483_06

  • LOW NOISE DUAL-BAND QUADRATURE MODULATOR WITH AGC

  • 28頁

  • RFMD

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RF2483
0
Typical Applications
鈥?TDMA/GSM/EDGE Handsets
鈥?GSM/EDGE Handsets
鈥?W-CDMA Handsets
Product Description
-A-
4.00 SQ.
RoHS Compliant & Pb-Free Product
LOW NOISE DUAL-BAND QUADRATURE
MODULATOR WITH AGC
鈥?TDMA-Based Wireless Applications
鈥?Wireless Local Loop
鈥?Basestations
0.10 C A
2 PLCS
The RF2483 is a dual-band direct I/Q to RF modulator
designed for handset applications where multiple modes
of operation are required. The device provides common
differential I/Q inputs and a common AGC amplifier. Inde-
pendent single-ended LO inputs and single-ended high
and low band RF outputs are provided. The device
achieves a very low out-of-band noise density of
-156dBm/Hz minimizing RF filtering. Operating from a
single 2.7V supply, the device is assembled in a
4mmx4mm, 20-pin, QFN package.
0.90
0.85
0.05
0.00
0.05 C
2.00 TYP
0.10 C B
2 PLCS
0.70
0.65
12擄
MAX
0.10 C B
2 PLCS
-B-
1.87 TYP
3.75 SQ.
0.10 C A
2 PLCS
SEATING
PLANE
-C-
Dimensions in mm.
0.10 M C A B
NOTES:
1. Shaded lead is Pin 1.
2 Dimension applies to plated terminal:
to be measured between 0.20 mm and 0.25 mm
from terminal end.
0.60
0.24
TYP
0.30
0.18
2
PIN 1 ID
0.20 R
0.75
0.50
TYP
2.25
SQ.
1.95
0.50
Optimum Technology Matching廬 Applied
Si BJT
Si Bi-CMOS
InGaP/HBT
GaAs HBT
SiGe HBT
GaN HEMT
RF OUT HB
RF OUT LB
Package Style: QFN, 20-Pin, 4x4
GaAs MESFET
Si CMOS
SiGe Bi-CMOS
Features
鈥?Dual-Band Operation 700-2400MHz
鈥?-156dBm/Hz noise@20MHz offset
GND3
GND2
GC
鈥?+19dBm OIP3
*
*
20
19
18
17
Power
Control
16
鈥?+6dBm OP1dB
鈥?35dB Gain Control Range
鈥?Single 2.7V to 3.3V Supply
VCC3
1
VCC2
2
ISIG P
3
ISIG N
4
EN
5
*
Mode
Control
&
Biasing
15
GC DEC
危
14
VREF
13
QSIG P
12
QSIG N
Ordering Information
RF2483
RF2483 PCBA
Low Noise Dual-Band Quadrature Modulator with
AGC
Fully Assembled Evaluation Board
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
+45擄
-45擄
+45擄
-45擄
11
BAND SEL
10
GND1
*
6
VCC1
7
LO LB
8
GND LO
9
LO HB
*
Represents "GND".
Functional Block Diagram
RF Micro Devices, Inc.
7628 Thorndike Road
Greensboro, NC 27409, USA
Rev A8 060203
5-31

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