STB7101
0.9/1.9GHz BROAD BAND PRE-POWER AMPLIFIER
•
OPERATING FREQUENCY 900-1900MHz
•
OUTPUT POWER 9.8dBm typ. @ 900MHz
7.5dBm typ. @ 1900MHz
•
POWER GAIN G
P
= 20.3dB typ. @ 900MHz
G
P
= 20.5dB typ. @ 1900MHz
SOT323-6L (SC70)
ORDER CODE
STB7101
BRANDING
101
APPLICATIONS
PA driver for cellular applications
(Top View)
1
101
DESCRIPTION
The STB7101, designed for cellular applications
(0.9/1.9GHz), uses a 20 GHz F
T
silicon bipolar
process. This IC is a wide range amplifier operating
from 900MHz to 1900MHz, in the overall
frequencies range the gain flatness is less than 1
dB. The STB7101 is housed in a very small SMD
package SOT323-6L.
(Bottom View)
6
5
4
6
5
4
1
2
3
2
3
PIN CONNECTION
Pin No.
1
2
3
4
5
6
Pin Name
GND
GND
INPUT
VCC
GND
OUTPUT
ABSOLUTE MAXIMUM RATINGS
Symbol
V
cc
T
stg
T
a
P
in
Parameter
Supply voltage
Storage temperature
Operating ambient temperature
Input power
T
a
= +25
o
C
Conditions
T
a
= +25
o
C, pin 4 and 6
Value
4.5
-55 to +150
-40 to +85
10
Unit
V
o
o
C
C
dBm
January, 22 2002
1/5
STB7101
ELECTRICAL CHARACTERISTICS (T
a
= +25
o
C, V
cc
= 2.75V, Z
L
= Z
s
= 50Ω, unless otherwise specified)
Symbol
V
cc
I
cc
G
p
NF
P
1dB
RL
IN
RL
OUT
S
12
P
o
(Sat)
OIP3
Parameter
Supply voltage
Circuit current
Power Gain
Noise figure
Output 1dB Compr.
Power
Input return loss
Output Return loss
Isolation
Saturated output power
level
Output Third Order
Intercept
No signal
f = 0.9GHz
f = 1.9GHz
f = 0.9GHz
f = 1.9GHz
f = 0.9GHz
f = 1.9GHz
f = 0.9GHz
f = 1.9GHz
f = 0.9GHz
f = 1.9GHz
f = 0.9GHz
f = 1.9GHz
f = 0.9GHz
f = 1.9GHz
f = 0.9GHz
f = 1.9GHz
Test Conditions
Min.
2.6
Typ.
2.75
28
20.3
20.5
5
4.5
9.8
7.5
8
6.2
9.7
9.7
-34
-33
11.3
9.7
16.5
14.9
Max.
3.3
Unit
V
mA
dB
dB
dBm
dB
dB
dB
dBm
dBm
TYPICAL EVALUATION CIRCUIT
1
J1
C1
27p
RF IN
3
2
U1
GND OUTPUT
GND
INPUT
STB7101
GND
Vcc
C2
6
5
4
L1
15n
J2
27p
RF OUT
L2 33 n
C3
27p
VCC (+2.75V)
C4
10n
Evaluation circuit components
C1 = C2 = C3 = 27pF
C4 = 10nF
L1 = 15nH
L2 = 33nH
2/5
STB7101
TYPICAL PERFORMANCE (T
a
= +25
o
C, Vcc = 2.75V, unless otherwise specified)
Circuit Current versus Supply Voltage
40
35
30
25
Icc (mA)
20
15
10
5
0
-5
0
0.5
1
1.5
2
2.5
3
3.5
Vcc (V)
Insertion Power Gain (dB)
Insertion Power Gain versus Frequency
24
22
20
18
16
14
12
10
8
6
800
1000
1200
1400
1600
1800
2000
Frequency (MHz)
Isolation versus Frequency
0
Noise Figure versus Frequency
7
-10
Isolation (dB)
6
NF (dB)
-20
5
-30
4
-40
-50
800
1000
1200
1400
1600
1800
2000
3
800
1000
1200
1400
1600
1800
2000
Frequency (MHz)
Frequency (MHz)
Power Gain versus Output Power @ 900 MHz
24
22
20
Power Gain versus Output Power @ 1900 MHz
24
22
20
Power Gain (dB)
18
16
14
12
10
8
Power Gain (dB)
18
16
14
12
10
8
6
-10 -8
-6
-4
-2
0
2
4
6
8
10
12
Output Power (dBm)
6
-10
-8
-6
-4
-2
0
2
4
6
8
10
Output Power (dBm)
3/5
STB7101
SOT323-6L MECHANICAL DATA
mm
Inch
MAX
1.1
0.1
1
0.3
0.18
2.2
1.35
0.65
1.8
0.1
2.4
0.4
0.071
0.004
MIN.
0.031
0
0.0031
0.006
0.004
0.071
0.045
0.025
0.094
0.016
TYP.
MAX
0.043
0.004
0.039
0.012
0.007
0.088
0.59
DIM.
A
A1
A2
b
c
D
E
e
H
Q
MIN.
0.8
0
0.8
0.15
0.1
1.8
1.15
TYP.
4/5
STB7101
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences
of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted
by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject
to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not
authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
The ST logo is registered trademark of STMicroelectronics
®
2002 STMicroelectronics - All Rights Reserved
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5/5
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