在-32032 典型 scattering 参数,
一般 发射级, z
O
= 50
Ω
, v
CE
= 1 v, i
C
= 1 毫安
freq. S
11
S
21
S
12
S
22
GHz Mag Ang dB Mag Ang dB Mag Ang Mag Ang
0.5 0.852 -51 9.61 3.024 137 -20.65 0.093 59 0.895 -21
0.75 0.760 -74 8.68 2.717 119 -18.39 0.120 48 0.821 -29
1.0 0.655 -94 7.68 2.420 104 -17.35 0.136 40 0.756 -35
1.5 0.523 -130 5.75 1.939 79 -16.68 0.147 32 0.665 -44
2.0 0.451 -161 4.11 1.606 60 -16.52 0.149 31 0.615 -52
3.0 0.403 147 1.76 1.224 30 -14.42 0.190 43 0.565 -71
4.0 0.419 104 0.20 1.023 7 -10.21 0.309 42 0.527 -96
5.0 0.459 69 -0.92 0.899 -11 -6.58 0.469 26 0.478 -127
6.0 0.497 45 -1.56 0.836 -26 -4.22 0.615 5 0.411 -168
7.0 0.529 27 -1.84 0.809 -41 -2.85 0.720 -18 0.379 141
8.0 0.561 13 -2.07 0.788 -56 -2.33 0.765 -40 0.425 96
9.0 0.590 -2 -2.34 0.764 -72 -2.28 0.769 -60 0.495 63
10.0 0.626 -17 -2.74 0.729 -87 -2.57 0.744 -79 0.555 38
在-32032 典型 噪音 参数,
一般 发射级, z
O
= 50
Ω
, v
CE
= 1 v, i
C
= 1 毫安
freq. F
最小值
R
n
G
assoc
GHz dB
Mag Ang
ohms dB
0.9 1.1 0.48 63 14.5 11.5
1.8 1.3 0.51 129 6.8 8.3
2.0 1.4 0.52 143 5.2 7.4
2.5 1.6 0.54 177 2.9 6.4
3.0 1.8 0.57 -153 4.9 5.7
3.5 2.0 0.61 -125 12.7 5.0
4.0 2.2 0.65 -102 26.0 4.2
Γ
opt
gmax
db(s[2,1])
k
-5
20
10
15
0
5
0213
4 56
增益
(db)
0
1.25
0.75
1
0.25
0.5
k
频率 (ghz)
图示 9. 增益 vs. 频率 在
1 v, 1 毫安.
便条: db(|s
21
|) = 20
*
log(|s
21
|)
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, 7:54 pmpage 4
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