Agilent MSA-2111
Cascadable Silicon Bipolar
MMIC Amplifier
Data Sheet
Features
• Cascadable 50
Ω
Gain Block
• Medium Power:
10 dBm at 900 MHz
Description
The MSA-2111 is a low cost silicon
bipolar Monolithic Microwave
Integrated Circuit (MMIC) housed
in a surface mount plastic
SOT-143 package. This MMIC is
designed for use as a general
purpose 50
Ω
gain block. Typical
applications include narrow and
broad band IF and RF amplifiers
in commercial and industrial
applications.
The MSA-series is fabricated using
Agilent’s 10 GHz f
T
, 25 GHz f
MAX
,
silicon bipolar MMIC process
which uses nitride self-alignment,
ion implantation, and gold metalli-
zation to achieve excellent
performance, uniformity and
reliability. The use of an external
bias resistor for temperature and
current stability also allows bias
flexibility.
SOT-143 Package
• High Gain:
16.5 dB Typical at 900 MHz
• Low Noise Figure:
3.3 dB Typical at 900 MHz
• Low Cost Surface Mount
Plastic Package
• Tape-and-Reel Packaging
Option Available
• Lead-free Option Available
Typical Biasing Configuration
R
bias
V
CC
>
5
V
RFC (Optional)
C
block
IN
MSA
C
block
OUT
V
d
= 3.6 V
2
MSA-2111 Absolute Maximum Ratings
Parameter
Device Current
Power Dissipation
[2,3]
RF Input Power
Junction Temperature
Storage Temperature
Absolute Maximum
[1]
40 mA
125 mW
+13 dBm
150°C
–65°C to 150°C
Thermal Resistance
[2]
:
θ
jc
= 505°C/W
Notes:
1. Permanent damage may occur if any of these limits are exceeded.
2. T
CASE
= 25°C.
3. Derate at 2.0 mW/°C for T
C
> 85°C.
Electrical Specifications
[1]
, T
A
= 25°C
Symbol
G
P
∆G
P
f
3 dB
VSWR
NF
P
1 dB
IP
3
t
D
V
d
dV/dT
Parameters and Test Conditions: I
d
= 29 mA, Z
O
= 50
Ω
Power Gain (|S
21
|
2
)
Gain Flatness
3 dB Bandwidth
Input VSWR
Output VSWR
50
Ω
Noise Figure
Output Power at 1 dB Gain Compression
Third Order Intercept Point
Group Delay
Device Voltage
Device Voltage Temperature Coefficient
f = 0.1 to 2.5 GHz
f = 0.1 to 2.5 GHz
f = 900 MHz
f = 900 MHz
f = 900 MHz
f = 900 MHz
f = 900 MHz
f = 0.1 to 0.3 GHz
Units
dB
dB
GHz
Min.
16.0
Typ.
17.5
±0.5
0.5
1.8:1
1.8:1
Max.
dB
dBm
dBm
psec
V
mV/°C
2.9
3.3
10
20
158
3.6
–8.0
4.3
Notes:
1. The recommended operating current range for this device is 12 to 35 mA. Typical gain performance as a function of
current is on the following page.
Ordering Information
Part Numbers
MSA-2111-BLK
MSA-2111-BLKG
MSA-2111-TR1
MSA-2111-TR1G
MSA-2111-TR2
MSA-2111-TR2G
No. of Devices
100
100
3000
3000
10000
10000
Comments
Bulk
Bulk
7" Reel
7" Reel
13" Reel
13" Reel
Note:
Order part number with a “G” suffix if lead-free option
is desired.
3
MSA-2111 Typical Scattering Parameters (Z
O
= 50
Ω,
T
A
= 25°C, I
d
= 29 mA)
Freq.
GHz
S
11
Mag
Ang
dB
S
21
Mag
Ang
dB
S
12
Mag
Ang
Mag
S
22
Ang
k
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.5
2.0
2.5
3.0
3.5
4.0
.28
.26
.24
.21
.18
.15
.13
.11
.09
.07
.08
.11
.15
.27
.38
.46
171
163
156
152
149
148
148
152
158
169
–123
–124
–167
158
145
135
23.0
22.5
21.9
21.2
20.5
19.7
19.0
18.3
17.6
16.9
14.0
11.8
10.1
8.3
6.8
5.6
14.1
13.4
12.5
11.5
10.6
9.7
8.9
8.2
7.6
7.0
5.0
3.9
3.2
2.6
2.2
1.9
167
156
145
136
128
120
114
108
102
98
79
63
56
43
32
21
–26.0
–25.5
–24.9
–24.0
–23.4
–22.6
–21.8
–21.1
–20.4
–19.9
–17.3
–15.5
–14.3
–13.5
–13.1
–12.6
.050
.053
.057
.063
.068
.074
.081
.088
.095
.101
.136
.167
.193
.211
.222
.234
9
18
25
30
35
38
40
42
43
44
45
42
43
38
34
30
.27
.27
.26
.26
.24
.24
.22
.21
.20
.19
.10
.06
.06
.12
.16
.17
177
175
173
171
170
169
169
169
168
169
179
–147
–177
149
145
144
1.03
1.03
1.03
1.03
1.03
1.03
1.04
1.04
1.04
1.05
1.06
1.08
1.10
1.13
1.14
1.14
Typical Performance, T
A
= 25°C
(unless otherwise noted)
25
22
20
19 Gain Flat to DC
25
0.1 GHz
0.5 GHz
0.9 GHz
14
12
G
P
(dB)
G
P
(dB)
16
13
10
15
P
1 dB
(dBm)
10
10
2.0 GHz
8
5
7
4
0.1
0.3 0.5
1.0
3.0
6.0
FREQUENCY (GHz)
0
10
15
20
25
I
d
(mA)
30
6
0.1
0.2
0.3
0.5
1.0
2.0
FREQUENCY (GHz)
Figure 1. Power Gain vs. Frequency,
I
d
= 29 mA.
Figure 2. Power Gain vs. Current.
Figure 3. Output Power at 1 dB Gain
Compression vs. Frequency,
I
d
= 29 mA.
4.0
3.5
NF (dB)
3.0
2.5
0.1
0.2
0.3
0.5
1.0
2.0
FREQUENCY (GHz)
Figure 4. Noise Figure vs. Frequency,
I
d
= 29 mA.
SOT-143 Package Dimensions
e2
e1
B1
E
XXX
E1
L
B
e
C
DIMENSIONS (mm)
D
SYMBOL
A
A1
B
B1
C
D
E1
e
e1
e2
E
L
MIN.
0.79
0.013
0.36
0.76
0.086
2.80
1.20
0.89
1.78
0.45
2.10
0.45
MAX.
1.097
0.10
0.54
0.92
0.152
3.06
1.40
1.02
2.04
0.60
2.65
0.69
A
A1
e
Notes:
XXX-package marking
Drawings are not to scale
www.agilent.com/semiconductors
For product information and a complete list of
distributors, please go to our web site.
For technical assistance call:
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(916) 788-6763
Europe: +49 (0) 6441 92460
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Data subject to change.
Copyright © 2005 Agilent Technologies, Inc.
Obsoletes 5965-9663E
April 5, 2005
5989-2759EN
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