7
AT-30533 Typical Noise Parameters,
Common Emitter, Z
O
= 50 Ω, 2.7 V, I
C
= 5 mA
ΓΓ
ΓΓ
Γ
OPT
Freq F
min
[1]
R
n
GHz dB Mag Ang
0.5
[2]
1.1 0.71 8 0.78
0.9 1.2 0.61 16 0.66
1.8 1.5 0.42 39 0.41
2.4 1.8 0.28 57 0.25
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.
AT-30533 Typical Scattering Parameters, V
CE
= 2.7 V, I
C
= 5 mA, Common Emitter, Z
O
= 50 Ω
Freq. S
11
S
21
S
12
S
22
GHz Mag Ang dB Mag Ang dB Mag Ang Mag Ang
0.1 0.84 -12 22.26 12.98 164 -39.96 0.01 82 0.98 -5
0.5 0.57 -39 18.54 8.46 121 -28.03 0.04 71 0.80 -18
0.9 0.37 -46 14.97 5.60 100 -24.09 0.06 70 0.73 -22
1.0 0.34 -46 14.20 5.13 96 -23.32 0.07 69 0.72 -22
1.5 0.23 -43 11.24 3.65 81 -20.30 0.10 68 0.69 -26
1.8 0.20 -38 9.85 3.11 73 -18.88 0.11 67 0.68 -28
2.0 0.19 -35 9.05 2.84 69 -18.02 0.13 66 0.68 -30
2.4 0.17 -27 7.70 2.43 61 -16.50 0.15 64 0.67 -33
3.0 0.15 -17 6.12 2.02 50 -14.57 0.19 61 0.66 -39
4.0 0.15 -2 4.30 1.64 34 -11.90 0.25 55 0.64 -49
5.0 0.17 11 3.07 1.42 19 -9.66 0.33 47 0.61 -61
AT-30511 Typical Noise Parameters,
Common Emitter, Z
O
= 50 Ω, 2.7 V, I
C
= 5 mA
ΓΓ
ΓΓ
Γ
OPT
Freq F
min
[1]
R
n
GHz dB Mag Ang
0.5
[2]
1.1 0.77 9 1.10
0.9 1.2 0.71 18 0.96
1.8 1.5 0.60 45 0.66
2.4 1.8 0.51 65 0.47
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.
AT-30511 Typical Scattering Parameters, V
CE
= 2.7 V, I
C
= 5 mA, Common Emitter, Z
O
= 50 Ω
Freq. S
11
S
21
S
12
S
22
GHz Mag Ang dB Mag Ang dB Mag Ang Mag Ang
0.1 0.88 -11 22.49 13.32 169 -40.50 0.01 83 0.97 -5
0.5 0.70 -48 20.42 10.49 134 -28.45 0.04 64 0.82 -22
0.9 0.49 -72 17.77 7.73 111 -25.24 0.05 57 0.70 -30
1.0 0.46 -77 17.09 7.15 107 -24.70 0.06 55 0.69 -31
1.5 0.30 -100 14.44 5.27 89 -22.62 0.07 53 0.62 -35
1.8 0.24 -112 13.10 4.52 81 -21.65 0.08 52 0.59 -37
2.0 0.21 -120 12.31 4.13 76 -21.05 0.09 52 0.58 -39
2.4 0.16 -140 10.94 3.52 67 -20.01 0.10 50 0.57 -42
3.0 0.13 -172 9.18 2.88 55 -18.55 0.12 48 0.55 -46
4.0 0.15 137 7.03 2.25 38 -16.57 0.15 44 0.53 -55
5.0 0.21 106 5.44 1.87 22 -14.88 0.18 39 0.52 -64
GAIN (dB)
0
0
FREQUENCY (GHz)
23
30
15
10
4
20
MSG
MAG
S21
MSG
Figure 22. AT-30533 Gains vs.
Frequency at V
CE
= 2.7 V, I
C
= 5 mA.
Figure 21. AT-30511 Gains vs.
Frequency at V
CE
= 2.7 V, I
C
= 5 mA.
GAIN (dB)
0
0
FREQUENCY (GHz)
23
30
15
10
4
20
MSG
MAG
S21