2SC5945 Datasheet, PDF (22/36 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.)
0.768
178.6
0.770
175.7
0.773
173.1
0.773
170.7
0.773
168.4
0.774
166.3
0.774
164.2
0.775
162.4
0.775
160.6
0.774
158.8
0.774
156.9
0.773
155.1
0.775
153.5
0.777
151.9
0.776
150.4
0.775
148.9
0.772
147.3
0.773
145.6
0.773
144.0
0.775
142.6
0.775
141.3
0.776
140.0
0.773
138.4
0.771
136.8
0.771
135.3
0.771
134.0
0.772
132.7
S21
MAG ANG (deg.)
11.44
84.9
9.03
81.9
7.43
79.4
6.30
77.3
5.46
75.4
4.81
73.6
4.30
72.0
3.88
70.6
3.54
69.0
3.26
67.5
3.03
66.0
2.82
64.5
2.64
63.2
2.48
61.7
2.34
60.3
2.22
58.9
2.11
57.4
2.01
55.9
1.92
54.5
1.84
53.3
1.77
51.9
1.70
50.6
1.64
49.0
1.59
47.5
1.53
46.1
1.49
44.8
1.44
43.5
(V_CE = 3.3 V, I_C = 100 mA, Zo = 50 Ω )
S12
S22
MAG ANG (deg.) MAG ANG (deg.)
0.026
60.2
0.582
-166.1
0.031
61.7
0.587
-169.5
0.035
62.5
0.591
-172.0
0.040
63.4
0.594
-174.0
0.045
63.7
0.596
-175.8
0.050
63.2
0.599
-177.3
0.055
63.2
0.601
-178.6
0.059
63.0
0.602
-179.8
0.064
62.4
0.604
179.1
0.069
61.8
0.605
178.1
0.074
61.4
0.606
177.2
0.078
60.7
0.606
176.4
0.083
60.1
0.607
175.6
0.087
59.1
0.608
174.8
0.092
58.2
0.609
174.1
0.096
57.6
0.608
173.4
0.100
56.7
0.608
172.8
0.105
55.8
0.608
172.2
0.109
54.9
0.608
171.5
0.113
54.0
0.608
170.9
0.118
53.0
0.607
170.3
0.122
52.2
0.607
169.7
0.126
51.2
0.606
169.1
0.131
50.3
0.605
168.5
0.135
49.3
0.604
167.9
0.139
48.3
0.604
167.3
0.143
47.2
0.603
166.7
Rev.3.00 Aug 03, 2006 page 22 of 35