AT-30511 Typical Scattering Parameters,
V
CE
= 2.7 V, I
C
= 5 mA, Common Emitter, Z
O
= 50
Ω
Freq.
GHz
0.1
0.5
0.9
1.0
1.5
1.8
2.0
2.4
3.0
4.0
5.0
S
11
Mag
Ang
0.88
0.70
0.49
0.46
0.30
0.24
0.21
0.16
0.13
0.15
0.21
-11
-48
-72
-77
-100
-112
-120
-140
-172
137
106
dB
22.49
20.42
17.77
17.09
14.44
13.10
12.31
10.94
9.18
7.03
5.44
S
21
Mag
13.32
10.49
7.73
7.15
5.27
4.52
4.13
3.52
2.88
2.25
1.87
Ang
169
134
111
107
89
81
76
67
55
38
22
dB
-40.50
-28.45
-25.24
-24.70
-22.62
-21.65
-21.05
-20.01
-18.55
-16.57
-14.88
S
12
Mag
0.01
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0.12
0.15
0.18
30
Ang
83
64
57
55
53
52
52
50
48
44
39
S
22
Mag
Ang
0.97
0.82
0.70
0.69
0.62
0.59
0.58
0.57
0.55
0.53
0.52
-5
-22
-30
-31
-35
-37
-39
-42
-46
-55
-64
AT-30511 Typical Noise Parameters,
Common Emitter, Z
O
= 50
Ω,
2.7 V, I
C
= 5 mA
Freq
GHz
0.5
[2]
0.9
1.8
2.4
F
min[1]
dB
1.1
1.2
1.5
1.8
Mag
0.77
0.71
0.60
0.51
GAIN (dB)
Γ
OPT
Ang
9
18
45
65
MSG
R
n
1.10
0.96
0.66
0.47
20
10
S21
MAG
Notes:
1. Matching constraints may make F
min
values associated with high |Γ
opt
| values
unachievable in physical circuits. See Fig. 2 for expected performance.
2. 0.5 GHz noise parameter values are extrapolated, not measured.
0
0
1
2
3
4
5
FREQUENCY (GHz)
Figure 21. AT-30511 Gains vs.
Frequency at V
CE
= 2.7 V, I
C
= 5 mA.
AT-30533 Typical Scattering Parameters,
V
CE
= 2.7 V, I
C
= 5 mA, Common Emitter, Z
O
= 50
Ω
Freq.
GHz
0.1
0.5
0.9
1.0
1.5
1.8
2.0
2.4
3.0
4.0
5.0
S
11
Mag
Ang
0.84
0.57
0.37
0.34
0.23
0.20
0.19
0.17
0.15
0.15
0.17
-12
-39
-46
-46
-43
-38
-35
-27
-17
-2
11
dB
22.26
18.54
14.97
14.20
11.24
9.85
9.05
7.70
6.12
4.30
3.07
S
21
Mag
12.98
8.46
5.60
5.13
3.65
3.11
2.84
2.43
2.02
1.64
1.42
Ang
164
121
100
96
81
73
69
61
50
34
19
dB
-39.96
-28.03
-24.09
-23.32
-20.30
-18.88
-18.02
-16.50
-14.57
-11.90
-9.66
S
12
Mag
0.01
0.04
0.06
0.07
0.10
0.11
0.13
0.15
0.19
0.25
0.33
30
Ang
82
71
70
69
68
67
66
64
61
55
47
S
22
Mag
Ang
0.98
0.80
0.73
0.72
0.69
0.68
0.68
0.67
0.66
0.64
0.61
-5
-18
-22
-22
-26
-28
-30
-33
-39
-49
-61
AT-30533 Typical Noise Parameters,
Common Emitter, Z
O
= 50
Ω,
2.7 V, I
C
= 5 mA
Freq
GHz
0.5
[2]
0.9
1.8
2.4
F
min[1]
dB
1.1
1.2
1.5
1.8
Mag
0.71
0.61
0.42
0.28
Γ
OPT
Ang
8
16
39
57
0.78
0.66
0.41
0.25
R
n
GAIN (dB)
20
MSG
MAG
10
S21
MSG
Notes:
1. Matching constraints may make F
min
values associated with high |Γ
opt
| values
unachievable in physical circuits. See Fig. 2 for expected performance.
2. 0.5 GHz noise parameter values are extrapolated, not measured.
0
0
1
2
3
4
5
FREQUENCY (GHz)
4-29
Figure 22. AT-30533 Gains vs.
Frequency at V
CE
= 2 .7 V, I
C
= 5 mA.
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
