在-32032 典型 scattering 参数,
一般 发射级,
Z
O
= 50
Ω
, v
CE
= 5 v, i
C
= 2 毫安
freq. S
11
S
21
S
12
S
22
GHz Mag Ang dB Mag Ang dB Mag Ang Mag Ang
0.1 0.940 -13 17.5 7.500 167 -36.0 0.016 83 0.981 -5
0.5 0.732 -56 14.9 5.588 129 -23.8 0.064 60 0.842 -22
0.9 0.518 -87 12.4 4.165 104 -21.1 0.088 51 0.714 -29
1.0 0.484 -93 11.6 3.814 99 -20.6 0.093 50 0.699 -30
1.5 0.342 -124 9.0 2.824 78 -19.0 0.112 49 0.632 -36
1.8 0.291 -142 7.8 2.466 67 -18.1 0.125 49 0.606 -40
2.0 0.265 -153 7.1 2.267 61 -17.5 0.134 50 0.596 -43
3.0 0.212 151 4.5 1.670 34 -14.0 0.199 50 0.566 -58
4.0 0.238 103 2.7 1.367 11 -10.7 0.293 43 0.549 -77
5.0 0.306 70 1.5 1.186 -8 -7.6 0.416 30 0.515 -102
6.0 0.383 50 0.6 1.067 -26 -5.2 0.550 13 0.453 -134
7.0 0.456 34 -0.1 0.990 -43 -3.3 0.682 -8 0.375 -177
8.0 0.523 19 -0.7 0.918 -59 -2.3 0.771 -31 0.373 130
9.0 0.573 2 -1.3 0.857 -75 -1.9 0.805 -53 0.437 86
10.0 0.620 --14 -2.0 0.792 -90 -2.0 0.791 -73 0.515 54
在-32032 典型 噪音 参数,
一般 发射级,
Z
O
= 50
Ω
, 5 v, i
C
= 2 毫安
freq. F
最小值
R
n
G
assoc
GHz dB
Mag Ang
ohms dB
0.9 1.0 0.48 50 14.7 14.8
1.8 1.2 0.445 118 7.4 10.1
2.0 1.3 0.44 134 5.8 9.5
2.5 1.5 0.43 172 3.7 8.5
3.0 1.7 0.47 -154 5.0 7.7
3.5 1.9 0.53 -123 11.3 7.0
4.0 2.1 0.58 -98 23.7 6.4
图示 13. 增益 vs. 频率 在
5 v, 2 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 8