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Электронный компонент: 7002

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January, 22 2002
STB7002
1.8GHz THREE GAIN LEVEL LNA
FULLY INTEGRATED 1.8GHz LNA
THREE GAIN LEVELS (0dB, 18dB, 26dB typ.
@ 2.8V)
LOW NOISE FIGURE
TEMPERATURE COMPENSATED
APPLICATIONS
DCS HANDSETS
DESCRIPTION
The STB7002 is a Silicon monolithic amplifier, that
offers low noise figure and three gain levels for
1.8GHz applications. STB7002 is housed in a
small industry-standard MSOP8-EP surface
mount package, requiring very little board space
(50% reduction vs SO8 Package). MSOP8-EP
dimensions are
3mmx5mm
with
a
1.1mm
thickness. STB7002 is ESD protected and
requires minimum external components in the
application circuit, for the on-chip bias and gain
control. Furthermore, temperature and supply
voltage compensation ensures high stability over
a wide range of operating conditions.
MSOP8-EP
(exposed pad)
ORDER CODE
STB7002
BRANDING
7002
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V
cc
Supply voltage
4
V
Tj
Junction Temperature
150
C
T
stg
Storage temperature
-40 to +85
C
THERMAL DATA
Symbol
Parameter
Value
Unit
R
th(j-a)
Junction -ambient Thermal Resistance
TBD
C/W
STB7002
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ELECTRICAL SPECIFICATION (T
amb
= 25
C, Vcc = 2.8V)
Note(1) : Gp1 min gain, Gp2 mid gain and Gp3 max gain.
Symbol
Parameters
Test Conditions
Min.
Typ.
Max.
Unit
Vcc
Supply voltage
2.7
2.8
2.9
V
I
bias
Bias current
for G
p1
(1)
G
p2
(1)
G
p3
(1)
8
14
10
11.5
17.5
15.0
15.0
22.5
19
mA
Istby
Standby current
20
A
f
Frequency range
1805
1880
MHz
G
p1,2,3
Power gain
G
p1
G
p2
G
p3
-3.0
16.0
24.0
0.0
18.0
26.0
3.0
20.0
28.0
dB
NF
1,2,3
Noise figure
for G
p1
G
p2
G
p3
9
2.9
2.6
dB
P1dB
1,2,3
Input 1 dB Compr.Power
for G
p1
G
p2
G
p3
-15.5
-19
-27
dBm
IIP3
1,2,3
Input Third Order Intercept
for G
p1
G
p2
G
p3
-4
-9
-17
dBm
VSWRi
Input VSWR
for G
p1
G
p2
G
p3
2.5:1
2.2:1
1.5:1
VSWRo
Output VSWR
for G
p1
G
p2
G
p3
1.3:1
1.5:1
1.8:1
AZout
Zout LNA on/off
15
%
PINOUT
Pin Number
Symbol
Description
Evaluation circuit components
1
RFin
RF input
L2 = 3.3nH, C2 =0.5pF
2
Gnd
Ground
3
Vcc
Voltage supply
C4 = 4pF, L1 = 110nH, C7 = 10nF
4
ARLNA0
Enable for power down
C3 = 10nF
5
RFout
RF output
C9 = 3pf, L3 = 5.6nH, C10 = 10nF, C11 = 100pF, L4 = 110nH
6
Gnd
Ground
7
GC1
Gain selection
C5 = 10nF
8
GC2
Gain selection
C8 = 10nF
GAIN SELECTI0N
G
p1
G
p2
G
p3
GC1
0
0
1
GC2
0
1
1
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STB7002
TEST CIRCUIT SCHEMATIC
RF_IN
1
GND
2
VCC
3
ARLNA0
4
GC2
8
GC1
7
GND
6
RF_OUT
5
S
T
B
7002
U1
C4
4p
C7
10n
C2
0.5p
C8
10n
C5
10n
C9
3p
C10
10n
C11
100p
C3
10n
L1
110n
L2
3.3n
*
VCC
L3
5.6n
L4
110n
VCC
1
2
JP1
BIAS
C6
4u7
VCC
S2
SW SPDT
S1
SW SPDT
S3
SW SPDT
VCC
VCC
VCC
J1
SMA_IN
J2
SMA_OUT
RF_IN
1
GND
2
VCC
3
ARLNA0
4
GC2
8
GC1
7
GND
6
RF_OUT
5
S
T
B
7002
U1
C4
4p
C7
10n
C2
0.5p
C8
10n
C5
10n
C9
3p
C10
10n
C11
100p
C3
10n
L1
110n
L2
3.3n
*
VCC
L3
5.6n
L4
110n
VCC
1
2
JP1
BIAS
C6
4u7
VCC
S2
SW SPDT
S1
SW SPDT
S3
SW SPDT
VCC
VCC
VCC
J1
SMA_IN
J2
SMA_OUT
TEST CIRCUIT PHOTOMASTER (board dimentions 23.5x20.3mm)
BOTTOM VIEW
23.5mm
20.
3m
m
TOP VIEW
23.5mm
20.
3
m
m
STB7002
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MAX GAIN
Freq.
VSWRi
VSWRo
Isolation
Gain
1802
1.48
1.94
-36.91
24.83
1813
1.45
1.94
-36.37
24.79
1824
1.43
1.94
-35.51
24.76
1835
1.41
1.93
-35.14
24.75
1846
1.38
1.92
-34.95
24.74
1857
1.36
1.91
-34.03
24.71
1868
1.35
1.89
-34.17
24.68
1879
1.33
1.87
-33.08
24.59
1890
1.32
1.84
-33.53
24.52
1901
1.30
1.83
-32.87
24.45
1912
1.29
1.79
-33.03
24.38
1923
1.28
1.77
-32.55
24.29
MID GAIN
Freq.
VSWRi
VSWRo
Isolation
Gain
1802
2.14
1.67
-36.70
18.32
1813
2.15
1.68
-36.07
18.33
1824
2.14
1.69
-35.58
18.34
1835
2.14
1.69
-35.13
18.37
1846
2.13
1.69
-34.51
18.40
1857
2.12
1.69
-33.92
18.43
1868
2.11
1.68
-33.38
18.45
1879
2.10
1.68
-32.30
18.42
1890
2.10
1.67
-33.39
18.41
1901
2.09
1.66
-32.80
18.39
1912
2.08
1.65
-32.72
18.35
1923
2.08
1.63
-32.20
18.32
INPUT/OUTPUT VSWR, ISOLATION AND GAIN PARAMETERS (MEASURED DATA)
5/7
STB7002
MIN GAIN
Freq.
VSWRi
VSWRo
Isolation
Gain
1802
2.26
1.21
-34.63
1.97
1813
2.30
1.21
-34.45
1.93
1824
2.33
1.21
-33.83
1.89
1835
2.36
1.21
-33.57
1.86
1846
2.38
1.22
-32.99
1.82
1857
2.41
1.22
-32.3
1.79
1868
2.43
1.22
-31.94
1.76
1879
2.46
1.22
-31.55
1.70
1890
2.48
1.22
-31.91
1.66
1901
2.50
1.22
-31.52
1.63
1912
2.52
1.22
-31.34
1.58
1923
2.53
1.22
-31.09
1.53