AT-31011 Datasheet, PDF (5/10 Pages) Agilent(Hewlett-Packard) – Low Current, High Performance NPN Silicon Bipolar Transistor

AT-31011 Typical Scattering Parameters, V_CE = 1 V, I_C = 1 mA, Common Emitter, Z_O = 50 Ω
Freq.      S₁₁
GHz
Mag Ang
dB
S₂₁
Mag Ang
dB
S₁₂      S₂₂
Mag
Ang
Mag Ang
0.1
0.95 -8
11.12 3.60 174
-37.91
0.01
85
0.999 -3
0.5
0.92 -34
10.58 3.38 150
-24.67
0.06
68
0.94 -15
0.9
0.81 -60
9.74 3.07 130
-20.67
0.09
53
0.89 -25
1.0
0.79 -66
9.33 2.93 125
-20.03
0.10
50
0.88 -27
1.5
0.66 -94
8.02 2.52 104
-18.34
0.12
36
0.80 -36
1.8
0.60 -110
7.18 2.28 93
-17.95
0.13
30
0.76 -40
2.0
0.57 -119
6.76 2.18 87
-17.73
0.13
27
0.74 -42
2.4
0.51 -139
5.56 1.90 74
-17.69
0.13
22
0.71 -46
3.0
0.45 -167
4.22 1.63 57
-17.95
0.13
19
0.67 -51
4.0
0.45 153
2.30 1.30 36
-18.33
0.12
22
0.64 -62
5.0
0.49 120
0.73 1.09 17
-17.33
0.14
32
0.62 -72
AT-31011 Typical Noise Parameters,
30
Common Emitter, Z_O = 50 Ω, 1 V, I_C = 1 mA

              Γ_OPT
Freq
F_min[1]
R_n
GHz
dB
Mag
Ang
0.5^[2]
0.5
0.90
13
0.85
0.9
0.6
0.85
29
0.73
1.8
1.1
0.68
67
0.46
2.4
1.6
0.55
98
0.28
Notes:
1. Matching constraints may make F_min values associated with high |Γ_OPT| values unachievable
in physical circuits. See Figure 2 for expected performance.
2. 0.5 GHz noise parameter values are extrapolated, not measured.
20
MSG
10
S21
MAG
0
0
1
2
3
4
5
FREQUENCY (GHz)
Figure 17. AT-31011 Gains vs. Frequency at V_ce = 1 V,
I_c = 1 mA.
AT-31033 Typical Scattering Parameters, V_CE = 1 V, I_C = 1 mA, Common Emitter, Z_O = 50 Ω ^{AT-31011 fig 17}
Freq.      S₁₁
GHz
Mag Ang
dB
S₂₁
Mag Ang
dB
S₁₂      S₂₂
Mag
Ang
Mag Ang
0.1
0.94 -7
11.16 3.61 173
-35.95
0.02
85
0.999 -3
0.5
0.87 -34
10.37 3.30 144
-22.84
0.07
68
0.92 -17
0.9
0.70 -58
9.17 2.87 121
-19.06
0.11
56
0.85 -27
1.0
0.66 -64
8.69 2.72 115
-18.49
0.12
53
0.83 -29
1.5
0.46 -90
7.11 2.27 92
-16.94
0.14
45
0.74 -37
1.8
0.36 -106
6.16 2.03 81
-16.40
0.15
43
0.70 -40
2.0
0.31 -117
5.66 1.92 74
-16.06
0.16
42
0.68 -42
2.4
0.22 -143
4.48 1.67 62
-15.50
0.17
42
0.66 -45
3.0
0.16 166
3.19 1.44 46
-14.34
0.19
44
0.63 -50
4.0
0.23 101
1.39 1.17 25
-11.85
0.26
46
0.60 -62
5.0
0.33 67
0.05 1.01
9
-9.11
0.35
41
0.56 -77
AT-31033 Typical Noise Parameters,
Common Emitter, Z_O = 50 Ω, 1 V, I_C = 1 mA

              Γ_OPT
Freq
F_min[1]
R_n
GHz
dB
Mag
Ang
0.5^[2]
0.5
0.90
12
0.70
0.9
0.6
0.82
28
0.60
1.8
1.1
0.57
68
0.38
2.4
1.6
0.41
100
0.22
Notes:
1. Matching constraints may make F_min values associated with high |Γ_OPT| values unachievable
in physical circuits. See Figure 2 for expected performance.
2. 0.5 GHz noise parameter values are extrapolated, not measured.

30
20
MSG
10
MAG
S21
MSG
0
0
1
2
3
4
5
FREQUENCY (GHz)
Figure 18. AT-31033 Gains vs. Frequency at V_ce = 1 V,
I_c = 1 mA.
AT-31011 fig 18