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NE678M04 Datasheet(PDF) 6 Page - NEC

Part No. NE678M04
Description  MEDIUM POWER NPN SILICON HIGH FREQUENCY TRANSISTOR
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Maker  NEC [NEC]
Homepage  http://www.nec.com/
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NE678M04 Datasheet(HTML) 6 Page - NEC

   
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NE678M04
FREQUENCY
S11
S21
S12
S22
K
MAG1
GHz
MAG
ANG
MAG
ANG
MAG
ANG
MAG
ANG
(dB)
0.100
0.52
-74.30
39.85
141.89
0.02
63.14
0.79
-43.24
0.22
33.48
0.200
0.55
-114.70
28.29
120.64
0.03
50.10
0.58
-69.59
0.37
30.30
0.300
0.56
-136.33
20.98
108.33
0.03
45.90
0.46
-86.51
0.49
28.27
0.400
0.56
-149.34
16.42
100.26
0.03
45.26
0.40
-97.94
0.61
26.78
0.500
0.56
-158.35
13.45
94.25
0.04
45.86
0.36
-106.44
0.69
25.46
0.600
0.56
-167.02
11.22
90.08
0.04
47.13
0.30
-115.48
0.83
24.40
0.700
0.57
-172.39
9.70
85.86
0.04
48.18
0.28
-121.83
0.88
23.43
0.800
0.57
-176.68
8.57
82.27
0.05
49.01
0.27
-125.22
0.92
22.51
0.900
0.57
179.14
7.66
78.87
0.05
49.82
0.27
-128.89
0.96
21.72
1.000
0.57
176.07
6.93
75.71
0.06
50.22
0.26
-131.89
0.98
20.95
1.500
0.57
161.30
4.70
61.65
0.08
49.69
0.27
-142.80
1.07
16.35
1.800
0.57
153.82
3.96
53.96
0.09
48.26
0.27
-147.21
1.09
14.70
1.900
0.57
151.23
3.76
51.43
0.09
47.59
0.28
-148.33
1.09
14.25
2.000
0.57
148.83
3.58
48.96
0.10
46.86
0.28
-149.67
1.09
13.81
2.500
0.57
136.19
2.90
36.74
0.12
42.26
0.31
-154.80
1.09
12.03
3.000
0.57
123.25
2.44
24.91
0.14
36.84
0.34
-159.87
1.08
10.71
3.500
0.58
109.78
2.10
13.41
0.16
30.78
0.37
-164.45
1.06
9.71
4.000
0.60
96.93
1.84
2.30
0.18
24.27
0.40
-170.06
1.04
9.03
4.500
0.62
85.43
1.63
-8.43
0.19
17.67
0.43
-176.72
1.01
8.78
5.000
0.64
75.45
1.46
-18.79
0.21
11.05
0.47
175.39
0.98
8.46
5.500
0.65
66.54
1.32
-28.80
0.22
4.47
0.50
166.91
0.95
7.72
6.000
0.67
57.90
1.19
-38.45
0.24
-2.21
0.53
158.44
0.93
7.05
NE678M04
VC = 3 V, IC = 30 mA
TYPICAL SCATTERING PARAMETERS (TA = 25°C)
Note:
1. Gain Calculations:
MAG =
|S21|
|S12|
K - 1
).
2
(K –
∆ = S11 S22 - S21 S12
When K
≥ 1, MAG is undefined and MSG values are used. MSG = |S
21
|
|S12|
, K = 1 + | ∆ | - |S
11
| - |S22|
2
2
2
2 |S12 S21|
,
MAG = Maximum Available Gain
MSG = Maximum Stable Gain
j50
j100
j25
j10
0
-j10
-j25
-j50
-j100
10
50 100
25
S22
S11
+90º
+45º
+0º
10 20 30
-45º
-90º
-135º
+180º
+135º


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