NE661M04
TYPICAL SCATTERING PARAMETERS (TA = 25˚C)
+90˚
j50
+60˚
+120˚
j100
j25
+150˚
+30˚
j10
8 GHz
S21
0.1 GHz
S12
10
25
S
11
0.1 GHz
50
100
+0˚
+180˚
0
S
22
8 GHz
0.1 GHz
0.1 GHz
8 GHz
-j10
8 GHz
-j25
-30˚
-150˚
-j100
-60˚
-120˚
-90˚
-j50
Coordinates in Ohms
Frequency in GHz
(VCE = 1 V, IC = 1 mA)
VC = 1 V, IC = 1 mA
FREQUENCY
(GHz)
S11
S21
S12
S22
K
MAG1
(dB)
MAG
ANG
MAG
ANG
MAG
ANG
MAG
ANG
0.10
0.20
0.30
0.40
0.50
0.70
1.00
1.50
2.00
2.50
3.00
3.50
4.00
5.00
6.00
7.00
8.00
0.944
0.943
0.941
0.939
0.935
0.930
0.916
0.862
0.807
0.755
0.693
0.636
0.585
0.515
0.489
0.480
0.495
-4.3
-8.0
2.912
2.868
2.845
2.837
2.845
2.807
2.734
2.614
2.526
2.337
2.236
2.095
1.977
1.746
1.521
1.325
1.155
172.0
171.3
168.3
164.2
160.7
153.5
144.1
126.2
110.8
96.3
82.4
68.9
55.6
30.4
6.9
-14.4
-34.5
0.005
0.009
0.013
0.017
0.021
0.028
0.038
0.051
0.061
0.068
0.071
0.072
0.071
0.066
0.061
0.066
0.076
84.9
77.9
75.1
73.0
70.8
66.3
59.6
46.5
36.2
26.8
18.3
10.7
4.5
0.991
0.970
0.955
0.943
0.935
0.922
0.906
0.850
0.821
0.794
0.768
0.744
0.723
0.696
0.689
0.688
0.679
-4.3
-7.6
0.15
0.22
0.22
0.23
0.22
0.22
0.22
0.39
0.49
0.61
0.75
0.92
1.11
1.53
1.89
2.05
2.04
27.53
24.88
23.30
22.21
21.37
20.00
18.57
17.08
16.16
15.38
14.96
14.61
12.45
9.96
-11.9
-15.4
-19.2
-26.7
-37.4
-55.4
-72.7
-89.4
-106.9
-124.7
-143.5
178.7
143.2
109.3
75.6
-10.2
-12.8
-15.2
-19.9
-26.7
-37.3
-46.6
-55.1
-62.8
-70.1
-77.2
-91.7
-106.9
-119.9
-131.9
-2.9
-1.9
0.9
8.49
7.22
5.98
2.0
Note:
1. Gain Calculation:
2
1 + | ∆ |2 - |S11 2 - |S22
| |
|S21
|
K 2 - 1 ). When K ≤ 1, MAG is undefined and MSG values are used.
∆ = S11 S22 - S21 S12
|S21
|S12
|
|
(
K
MAG =
MSG =
, K =
,
|S12
|
2 |S12
S21|
MAG = Maximum Available Gain
MSG = Maximum Stable Gain
CEL [ CALIFORNIA EASTERN LABS ]
