NE680 SERIES
TYPICAL COMMON EMITTER SCATTERING PARAMETERS (TA = 25°C)
90˚
1
.8
1.5
.6
2
135˚
45˚
.4
3
4
S
12
.2
5
3 GHz
S
22
S
11
S
21
10
20
S
21
0.1 GHz
3 GHz
0.1 GHz
3 GHz
S
12
4
0
.2
.4 .6
.8
1
1.5
2
3
5
10 20
180˚
0.1
0˚
0.1 GHz
-20
-10
S
11
0.1 GHz
-5
-4
-.2
S
22
3 GHz
-3
Coordinates in Ohms
Frequency in GHz
2.5
-.4
315˚
225˚
-2
(VCE = 2.5 V, IC = 1 mA)
-.6
-1.5
-.8
-1
270˚
NE68019
VCE = 2.5 V, IC = 1 mA
FREQUENCY
S11
S21
S12
S22
K
MAG1
(dB)
(MHz)
MAG
ANG
MAG
ANG
MAG
ANG
MAG
ANG
0.03
0.17
0.37
0.46
0.68
0.90
1.08
1.19
23.1
17.0
14.0
13.0
11.5
10.5
7.9
100
400
800
1000
1500
2000
2500
3000
.971
.905
.774
.706
.564
.453
.364
.303
-9.9
-34.9
-65.1
3.456
3.207
2.751
2.512
2.043
1.721
1.497
1.355
169.4
145.8
117.3
105.2
80.0
59.1
40.9
24.5
.017
.064
.110
.126
.146
.155
.162
.176
84.6
66.7
46.1
38.1
25.4
17.5
13.5
9.9
0.996
0.961
0.869
0.829
0.751
0.695
0.658
0.624
-6.2
-20.2
-36.6
-43.1
-54.7
-63.8
-71.6
-79.9
-78.0
-106.1
-130.7
-156.6
174.5
6.2
VCE = 2.5 V, IC = 3 mA
0.10
0.34
0.63
0.75
0.95
1.08
1.13
1.15
27.1
21.2
18.0
16.8
14.4
10.9
8.9
100
400
.905
.726
.505
.428
.302
.223
.172
.149
-15.3
-52.5
-87.4
-100.0
-126.3
-149.5
-177.0
150.7
9.292
7.492
5.221
4.439
3.211
2.520
2.100
1.831
165.2
131.0
100.5
89.5
67.8
50.2
.018
.057
.083
.093
.116
.138
.163
.191
81.0
60.9
46.2
42.5
36.3
33.0
28.4
22.6
.968
.848
.684
.638
.582
.551
.532
.507
-9.4
-28.7
-42.7
-46.9
-54.4
-61.4
-67.6
-75.5
800
1000
1500
2000
2500
3000
34.7
20.4
7.5
VCE = 6 V, IC = 5 mA
0.11
0.45
0.79
0.87
1.02
1.09
1.10
1.10
28.8
100
400
.849
.613
.386
.317
.215
.149
.103
.092
-18.0
-60.8
-93.9
-105.5
-128.5
-149.7
-178.6
143.3
13.629
9.820
6.206
5.157
3.615
2.786
2.298
1.989
162.0
123.1
93.8
83.9
64.1
47.9
33.5
20.1
.018
.050
.067
.079
.102
.127
.156
.185
85.2
60.7
49.2
47.3
43.3
39.9
34.0
28.9
.949
.789
.639
.607
.575
.563
.552
.537
-9.6
-29.4
-39.2
-42.2
-49.1
-55.7
-62.3
-70.2
22.9
19.7
18.1
14.6
11.6
9.80
8.40
800
1000
1500
2000
2500
3000
Note:
1.Gain Calculations:
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