2SC5945 Datasheet, PDF (33/36 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.)
0.776
176.4
0.777
173.9
0.780
171.6
0.780
169.4
0.780
167.2
0.780
165.2
0.780
163.3
0.781
161.5
0.781
159.8
0.780
158.0
0.779
156.2
0.779
154.4
0.780
152.7
0.782
151.2
0.781
149.8
0.780
148.3
0.777
146.7
0.778
145.0
0.778
143.5
0.780
142.0
0.780
140.7
0.780
139.4
0.777
137.9
0.776
136.3
0.775
134.8
0.776
133.4
0.777
132.1
S21
MAG ANG (deg.)
11.40
84.6
8.99
81.8
7.40
79.5
6.28
77.5
5.45
75.7
4.81
74.1
4.30
72.6
3.89
71.1
3.55
69.6
3.27
68.1
3.04
66.6
2.83
65.1
2.65
63.8
2.50
62.4
2.36
61.0
2.23
59.5
2.12
58.1
2.03
56.6
1.94
55.2
1.86
53.9
1.79
52.6
1.72
51.2
1.66
49.7
1.60
48.2
1.55
46.8
1.50
45.5
1.46
44.2
(V_CE = 3.6 V, I_C = 200 mA, Zo = 50 Ω )
S12
S22
MAG ANG (deg.) MAG ANG (deg.)
0.025
67.7
0.594
-168.5
0.030
67.8
0.599
-171.5
0.035
68.3
0.603
-173.7
0.040
68.2
0.606
-175.6
0.045
67.8
0.608
-177.3
0.050
67.1
0.610
-178.7
0.055
66.6
0.612
-180.0
0.060
66.4
0.613
178.9
0.065
65.6
0.614
177.9
0.070
64.6
0.615
177.0
0.074
63.9
0.616
176.1
0.079
63.1
0.616
175.2
0.084
62.3
0.617
174.6
0.089
61.2
0.619
173.8
0.093
60.4
0.618
173.0
0.097
59.5
0.618
172.4
0.102
58.5
0.617
171.8
0.107
57.5
0.617
171.2
0.111
56.6
0.617
170.5
0.115
55.7
0.617
169.9
0.120
54.6
0.616
169.3
0.124
53.6
0.615
168.8
0.128
52.6
0.615
168.1
0.133
51.5
0.614
167.5
0.137
50.6
0.613
166.9
0.142
49.5
0.612
166.3
0.146
48.4
0.611
165.6
Rev.3.00 Aug 03, 2006 page 33 of 35