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7003 Datasheet PDF - STMicroelectronics

Part Number 7003
Description TRI-BAND GSM/DCS/PCS LNA
Manufacturers STMicroelectronics 
Logo STMicroelectronics Logo 

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7003 datasheet, circuit
STB7003
TRI-BAND GSM/DCS/PCS LNA
SUPPLY VOLTAGE 2.8V
LOW CURRENT CONSUMPTION
VERY LOW NOISE FIGURE:
NF=1.5dB @ 950MHz
NF=1.9dB @ 1850MHz
NF=2dB @ 1950MHz
DIGITAL GAIN CONTROL
APPLICATIONS
TRI-BAND GSM/DCS/PCS FRONT-ENDS
MSOP10-EP
(exposed pad)
ORDER CODE
STB7003
BRANDING
7003
FUNCTIONAL BLOCK DIAGRAM
DESCRIPTION
The STB7003 is a tri-band LNA designed for GSM/DCS/
PCS applications. The GC pin sets the LNA gain levels.
The innovative architecture implemented allows to
reach very low current consumption. LNA1 works at
0.9-1.0 GHz and LNA2 over the 1.8-2GHz frequency
range.
PD
AI1
GND
AI2
BSW
LNA1
LNA2
GC
AO1
VccGSM
AO2
VccDCS
ABSOLUTE MAXIMUM RATING
Symbol
Parameter
Vcc Supply voltage
Tj Junction temperature
Tstg Storage temperature
THERMAL DATA
Symbol
Parameter
Rth(j-a) Thermal resistance junction-ambient
Value
4.5
150
-40 to +85
Value
TBD
Unit
V
oC
°C
Unit
oC/W
January, 22 2002
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7003 equivalent
TYPICAL PERFORMANCE (DCS / PCS BAND)
Power Gain vs. Frequency
Noise Figure vs. Frequency
STB7003
20
High Gain
15
10
5
0
Low Gain
-5
-10
1800 1820 1840 1860 1880 1900 1920 1940 1960 1980 2000
FREQUENCY (MHz)
11
10
9
8
7
6
5
4
3
2
1
1800
Low Gain
High Gain
1850
1900
1950
FREQUENCY (MHz)
2000
Input Return Loss vs. Frequency
Output Return Loss vs. Frequency
0
-2
-4
-6
-8 High Gain
-10
-12
-14
-16 Low Gain
-18
-20
1800 1820 1840 1860 1880 1900 1920 1940 1960 1980 2000
FREQUENCY (MHz)
0
-2
-4
-6
-8
High Gain
-10
Low Gain
-12
1800 1820 1840 1860 1880 1900 1920 1940 1960 1980 2000
FREQUENCY (MHz)
Reverse Isolation vs. Frequency
-35
-36
-37
-38
-39 High Gain
-40
-41
-42 Low Gain
-43
-44
1800 1820 1840 1860 1880 1900 1920 1940 1960 1980 2000
FREQUENCY (MHz)
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Information Total 9 Pages
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