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RF2492 반도체 회로 부품 판매점

DUAL-BAND LOW NOISE AMPLIFIER/MIXER



RF Micro Devices 로고
RF Micro Devices
RF2492 데이터시트, 핀배열, 회로
Preliminary
8
RF2492
DUAL-BAND LOW NOISE AMPLIFIER/MIXER
Typical Applications
• TDMA-GSM Cellular/PCS Handsets
• TDMA Cellular/PCS Handsets
• GAIT Handsets
• CDMA Cellular/PCS Handsets
• GSM DCS/PCS Handsets
Product Description
The RF2492 is a fully featured dual-band LNA/Mixer and
is usable in a variety of mobile handset applications. The
unique dual IF outputs provide interface to two indepen-
dent IF SAW filters supporting applications such as
TDMA-EDGE where 30kHz and 200kHz bandwidth SAW
filters are used. With independent power management
control pins for the LNAs and mixers, either IF output can
be accessed from either high- or low-band LNAs, provid-
ing maximum flexibility with minimum power usage. Multi-
ple gain control options are provided to achieve a very
large dynamic range for the receiver. A frequency doubler
is included in the LO circuit to generate both high- and
low-band LO signals with a single VCO. The RF2492 is
packaged in a 32 pin, 5mmx5mm, leadless plastic pack-
age.
Optimum Technology Matching® Applied
Si BJT
Si Bi-CMOS
GaAs HBT
üSiGe HBT
GaAs MESFET
Si CMOS
25 23
PCS LNA IN 30
LNA GAIN SEL 12
MIX GAIN SEL 14
CELL LNA IN 11
IF SEL 9
LNA IP SEL 10
LNA ISET 17
BAND SEL 31
LOGIC
CONTROL
X2 ENABLE 32
15 18
4 IF1+
5 IF1-
7 IF2-
8 IF2+
X2
1
19 PCS LO OUT+
20 PCS LO OUT -
21 CELL LO OUT+
22 CELL LO OUT-
1.00
0.85
0.80
0.65
0.60
0.24 typ
3
0.30
0.18
5.00
sq.
0.45
0.20
4 PLCS
3.25
2.95 sq.
12°
MAX
0.05
0.01
0.55
0.30
0.50
0.23
0.13
4 PLCS
NOTES:
1 Shaded Pin is Lead 1.
2 Pin 1 identifier must exist on top surface of package by identification
mark or feature on the package body. Exact shape and size is optional.
3 Dimension applies to plated terminal: to be measured between 0.02 mm
and 0.25 mm from terminal end.
4 Package Warpage: 0.05 mm max.
5 Die Thickness Allowable: 0.305 mm max.
Package Style: LCC, 32-Pin, 5x5
Features
• Complete Dual-Band Receiver Front End
• Low Noise Figure
• Stepped LNA/Mixer Gain Control
• Adjustable LNA Bias Current/IIP3
• Integrated LO Frequency Doubler
• Differential LO Buffer Outputs
Ordering Information
RF2492
Dual-Band Low Noise Amplifier/Mixer
RF2492 PCBA Fully Assembled Evaluation Board
Functional Block Diagram
RF Micro Devices, Inc.
7625 Thorndike Road
Greensboro, NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
8
Rev A4 010828
8-33


RF2492 데이터시트, 핀배열, 회로
RF2492
Preliminary
Absolute Maximum Ratings
Parameter
Supply Voltage
Input LO and RF Levels
Operating Ambient Temperature
Storage Temperature
Rating
-0.5 to +5.0
+6
-40 to +85
-40 to +150
Unit
VDC
dBm
°C
°C
Caution! ESD sensitive device.
RF Micro Devices believes the furnished information is correct and accurate
at the time of this printing. However, RF Micro Devices reserves the right to
make changes to its products without notice. RF Micro Devices does not
assume responsibility for the use of the described product(s).
Parameter
Overall
RF Frequency Range
IF Frequency Range
Cell LO Buffer Output
PCS LO Buffer Output
Cellular Band
LNA (On)
Gain
8 Noise Figure
Input IP3
LNA (Off)
Gain
Noise Figure
Input IP3
Mixer
Gain
Noise Figure
Input IP3
LO Input Level
Mixer
Gain
Noise Figure
Input IP3
LO Input Level
Specification
Min.
Typ.
Max.
800
1700
50
-13.0
-14.0
881
1960
110
-12.7
-12.7
950
2100
250
13.5
13.5
+7.0
+1.5
-8.5
5.5
+20.0
12
3.5
6.5
13.5
+2.0
+11.5
-10
12
3.0
6.8
13.7
+2.0
+11.5
-10
14.5
14
2.0
1.8
+7.5
+3.0
-7.5
5.8
+21.0
13
4.4
7.0
14.0
+4.5
+13.8
-5
13
4.4
7.2
14.0
+4.5
+14.0
-5
15.5
15
2.2
2.0
+7.0
-6.5
6.0
14
5.0
7.5
14.5
+3
14
7.4
14.2
+3
Unit
MHz
MHz
MHz
MHz
MHz
MHz
dBm
dBm
dB
dB
dB
dB
dBm
dBm
dB
dB
dBm
dB
dB
dB
dB
dBm
dBm
dBm
dBm
dB
dB
dB
dB
dBm
dBm
dBm
dBm
Condition
T = 25°C, VCC=2.75V
Specifications
Specifications
Usable range
Usable range
Specifications
Usable range
T1 insertion loss not considered.
T2 insertion loss not considered.
Freq=869MHz to 894MHz
RF=880MHz and 881MHz
LNA set for max IIP3
LNA set for Nominal IIP3
LNA set for max IIP3
LNA set for Nominal IIP3
LNA set for max IIP3
LNA set for Nominal IIP3
IF Select=1, (IF1) RF=880MHz,
LO = 990 MHz @ -5 dBm
Mixer RF amp ON;
ZLOAD=1ksingle-ended
Mixer RF amp OFF
Mixer RF amp ON
Mixer RF amp OFF
Mixer RF amp ON
Mixer RF amp OFF
Specifications
Usable range
IF Select=0, (IF2) RF=880MHz,
LO = 990 MHz @ -5 dBm
Mixer RF amp ON;
ZLOAD=1ksingle-ended
Mixer RF amp OFF
Mixer RF amp ON
Mixer RF amp OFF
Mixer RF amp ON
Mixer RF amp OFF
Specifications
Usable range
8-34
Rev A4 010828




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