在-32032 典型 scattering 参数,
一般 发射级, z
O
= 50
Ω
, v
CE
= 5 v, i
C
= 10 毫安
freq. S
11
S
21
S
12
S
22
GHz Mag Ang dB Mag Ang dB Mag Ang Mag Ang
0.1 0.751 -26 27.7 24.169 152 -37.1 0.014 78 0.898 -13
0.5 0.322 -70 20.3 10.383 103 -26.4 0.048 68 0.584 -24
0.9 0.181 -84 15.9 6.208 85 -22.1 0.078 68 0.514 -25
1.0 0.160 -88 15.0 5.623 82 -21.3 0.086 67 0.508 -26
1.5 0.094 -102 11.8 3.885 68 -18.1 0.125 64 0.483 -30
1.8 0.068 -114 10.4 3.304 60 -16.5 0.149 61 0.473 -34
2.0 0.055 -123 9.6 3.012 56 -15.6 0.165 59 0.468 -37
3.0 0.032 146 6.7 2.161 34 -12.1 0.248 47 0.444 -52
4.0 0.075 86 4.9 1.759 14 -9.5 0.334 34 0.419 -70
5.0 0.148 67 3.7 1.538 -5 -7.5 0.424 20 0.375 -92
6.0 0.243 58 2.9 1.397 -24 -5.7 0.517 5 0.301 -120
7.0 0.354 47 2.2 1.292 -42 -4.3 0.613 -12 0.214 -162
8.0 0.464 32 1.5 1.190 -61 -3.2 0.695 -31 0.214 136
9.0 0.555 14 0.7 1.083 -79 -2.5 0.751 -51 0.311 89
10.0 0.636 -5 -0.3 0.967 -96 -2.3 0.765 -71 0.426 57
在-32032 典型 噪音 参数,
一般 发射级, z
O
= 50
Ω
, v
CE
= 5 v, i
C
= 10 毫安
freq. F
最小值
R
n
G
assoc
GHz dB
Mag Ang
ohms dB
0.9 1.1 0.29 69 10.0 17.0
1.8 1.3 0.25 143 6.1 11.8
2.0 1.4 0.26 159 5.6 11.0
2.5 1.5 0.31 -165 5.5 9.6
3.0 1.7 0.37 -133 8.1 8.5
3.5 1.9 0.45 -106 14.6 7.7
4.0 2.1 0.52 -84 25.7 6.9
图示 15. 增益 vs. 频率 在
5 v, 10 毫安.
便条: db(|s
21
|) = 20
*
log(|s
21
|)
Γ
opt
gmax
db(s[2,1])
k
0
25
15
20
5
10
0213
4 56
增益
(db)
0
1.25
0.75
1
0.25
0.5
k
频率 (ghz)
gmax = 最大 有 增益 (mag) 如果 k > 1
gmax = 最大 稳固的 增益 (msg) 如果 k < 1
k = 稳固 因素
mag =
S
21
(k
±
√
k
2
–1)
S
12
msg = |S
21
|/|s
12
|
k =
1 – |s
11
|
2
– |s
22
|
2
+ |d|
2
; d = s
11
S
22
–
S
12
S
21
2
*
|S
12
||S
21
|
2001.04.25, 7:55 pmpage 10
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