3
MSA-1110 Typical Scattering Parameters (Z
O
= 50 Ω, T
A
= 25°C, I
d
= 60 mA)
Freq. S
11
S
21
S
12
S
22
GHz Mag Ang dB Mag Ang dB Mag Ang Mag Ang k
.0005 .83 –7 19.5 9.44 176 –31.9 .025 39 .84 –7 0.77
.005 .54 –50 16.8 6.92 158 –18.7 .116 34 .55 –50 0.60
.025 .15 –78 13.0 4.47 167 –16.6 .148 9 .15 –79 1.03
.050 .10 –64 12.6 4.26 171 –16.5 .149 5 .10 –67 1.08
.100 .08 –63 12.5 4.23 171 –16.5 .150 4 .08 –66 1.09
.200 .09 –74 12.4 4.17 166 –16.4 .152 4 .09 –78 1.09
.300 .11 –85 12.3 4.10 160 –16.2 .154 5 .12 –89 1.07
.400 .13 –94 12.3 4.10 154 –16.1 .157 6 .15 –98 1.05
.500 .16 –102 12.1 4.04 148 –15.9 .161 7 .18 –106 1.02
.600 .18 –108 12.0 3.98 143 –15.6 .165 8 .20 –113 1.00
.700 .21 –114 11.8 3.89 137 –15.4 .169 8 .23 –120 0.97
.800 .23 –120 11.6 3.80 131 –15.2 .173 8 .25 –126 0.95
.900 .25 –126 11.4 3.71 126 –15.0 .178 8 .28 –132 0.92
1.000 .27 –131 11.1 3.60 120 –14.8 .182 8 .30 –137 0.91
1.500 .36 –153 9.8 3.10 96 –13.8 .203 4 .37 –160 0.83
2.000 .42 –171 8.4 2.64 74 –13.3 .217 1 .40 –178 0.82
2.500 .47 177 7.2 2.29 59 –12.5 .236 –2 .41 172 0.80
3.000 .47 159 5.9 1.97 43 –13.2 .220 –10 .38 157 0.95
Typical Performance, T
A
= 25°C, Z
O
= 50 Ω
(unless otherwise noted)
G
p
(dB)
0.1.02 .05 0.5 1.0 2.0 3.0
FREQUENCY (GHz)
Figure 1. Typical Power Gain vs. Frequency,
I
d
= 60 mA.
4020 60 80
I
d
(mA)
Figure 3. Power Gain vs. Current.
0
2
4
6
8
10
14
12
16
4
6
8
12
10
14
G
p
(dB)
Figure 4. Output Power at 1 dB Gain Compression,
Noise Figure and Power Gain vs. Case Temperature,
f = 0.5 GHz, I
d
= 60 mA.
3
4
5
11
13
12
16
17
18
–55 +25 +125
P
1 dB
(dBm)
NF (dB)
Gp (dB)
TEMPERATURE (C)
G
P
1.0 GHz,
P
1 dB
NF
20 4 6 8
V
d
(V)
Figure 2. Device Current vs. Voltage.
0
20
40
60
100
80
I
d
(mA)
T
C
= +125C
T
C
= +25C
T
C
= –55C
FREQUENCY (GHz)
Figure 5. Output Power at 1 dB Gain Compression
vs. Frequency.
FREQUENCY (GHz)
Figure 6. Noise Figure vs. Frequency.
3.5
3.0
4.0
4.5
5.0
NF (dB)
0.1 0.2 0.3 0.5 2.01.0 0.1 0.2 0.3 0.5 2.01.0
12
14
16
18
22
20
P
1 dB
(dBm)
I
d
= 75 mA
I
d
= 75 mA
I
d
= 60 mA
I
d
= 40 mA
I
d
= 60 mA
I
d
= 40 mA
Z
O
= 50
Z
O
= 75
2.0 GHz
0.1 GHz
0.5 GHz
1.0 GHz