2SC5945 Datasheet, PDF (12/36 Pages) Renesas Technology Corp – Si NPN Epitaxial High Frequency Medium Power Amplifier

2SC5945
S parameter
f (MHz)
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500
2600
2700
2800
2900
3000
S11
MAG ANG (deg.)
0.767
-179.7
0.769
177.0
0.772
174.3
0.773
171.7
0.773
169.3
0.773
167.1
0.774
165.0
0.775
163.1
0.775
161.3
0.774
159.4
0.774
157.6
0.774
155.7
0.775
154.0
0.777
152.4
0.776
150.9
0.776
149.4
0.773
147.7
0.773
146.1
0.774
144.5
0.776
143.1
0.776
141.8
0.776
140.4
0.773
138.9
0.772
137.3
0.771
135.7
0.773
134.4
0.773
133.1
S21
MAG ANG (deg.)
11.15
85.3
8.80
82.2
7.24
79.6
6.14
77.4
5.32
75.4
4.69
73.6
4.18
72.0
3.78
70.4
3.45
68.8
3.18
67.3
2.95
65.7
2.74
64.2
2.57
62.8
2.42
61.4
2.28
60.0
2.16
58.5
2.05
57.0
1.96
55.5
1.87
54.1
1.79
52.8
1.72
51.4
1.66
50.1
1.60
48.5
1.54
47.0
1.49
45.5
1.45
44.2
1.40
42.9
(V_CE = 3 V, I_C = 70 mA, Zo = 50 Ω )
S12
S22
MAG ANG (deg.) MAG ANG (deg.)
0.027
54.1
0.576
-164.2
0.032
56.7
0.580
-167.9
0.036
58.8
0.584
-170.7
0.041
59.5
0.587
-172.8
0.045
59.9
0.589
-174.7
0.050
60.1
0.591
-176.3
0.055
60.4
0.594
-177.7
0.060
60.7
0.595
-178.9
0.064
60.1
0.597
180.0
0.069
59.5
0.597
179.0
0.073
59.2
0.599
178.0
0.078
58.6
0.600
177.1
0.082
58.0
0.600
176.3
0.087
57.4
0.601
175.6
0.091
56.7
0.601
174.9
0.095
56.0
0.602
174.2
0.099
55.2
0.602
173.5
0.104
54.4
0.601
172.9
0.108
53.6
0.601
172.2
0.112
52.8
0.601
171.6
0.117
51.9
0.601
171.1
0.121
51.0
0.600
170.5
0.125
50.0
0.599
169.9
0.129
49.2
0.599
169.3
0.133
48.2
0.598
168.7
0.138
47.4
0.597
168.1
0.142
46.3
0.597
167.5
Rev.3.00 Aug 03, 2006 page 12 of 35