2SC5945 Datasheet, PDF (11/36 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.)
0.762
-177.4
0.765
178.9
0.768
175.9
0.770
173.1
0.770
170.6
0.770
168.3
0.772
166.1
0.773
164.1
0.773
162.2
0.772
160.3
0.772
158.4
0.772
156.5
0.774
154.7
0.776
153.1
0.775
151.6
0.775
150.1
0.773
148.4
0.772
146.7
0.773
145.1
0.776
143.7
0.776
142.4
0.776
141.0
0.774
139.4
0.772
137.8
0.772
136.3
0.773
134.9
0.774
133.6
S21
MAG ANG (deg.)
10.93
86.0
8.64
82.6
7.11
79.8
6.03
77.5
5.22
75.4
4.60
73.5
4.10
71.8
3.71
70.2
3.38
68.6
3.11
67.0
2.89
65.3
2.69
63.8
2.52
62.3
2.36
60.9
2.23
59.5
2.11
57.9
2.01
56.4
1.92
54.8
1.83
53.4
1.75
52.1
1.68
50.7
1.62
49.3
1.56
47.8
1.51
46.3
1.46
44.8
1.41
43.4
1.37
42.1
(V_CE = 3 V, I_C = 50 mA, Zo = 50 Ω )
S12
S22
MAG ANG (deg.) MAG ANG (deg.)
0.029
48.2
0.561
-161.3
0.033
51.2
0.564
-165.5
0.037
53.0
0.567
-168.5
0.042
54.7
0.570
-170.9
0.046
55.4
0.573
-172.9
0.050
56.2
0.575
-174.6
0.055
56.7
0.577
-176.1
0.059
57.0
0.579
-177.4
0.063
56.9
0.580
-178.6
0.068
56.5
0.581
-179.7
0.072
56.5
0.582
179.4
0.077
56.1
0.584
178.4
0.081
55.8
0.585
177.6
0.085
55.3
0.585
176.8
0.089
54.5
0.586
176.1
0.094
54.1
0.586
175.4
0.098
53.4
0.586
174.8
0.102
52.6
0.586
174.1
0.106
52.0
0.586
173.5
0.110
51.2
0.586
172.9
0.114
50.4
0.586
172.3
0.119
49.7
0.586
171.7
0.122
48.7
0.585
171.2
0.127
48.0
0.585
170.6
0.131
47.2
0.584
170.0
0.135
46.2
0.584
169.4
0.139
45.3
0.583
168.8
Rev.3.00 Aug 03, 2006 page 11 of 35