2SC5945 Datasheet, PDF (31/36 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.)
0.766
178.7
0.768
175.8
0.770
173.2
0.771
170.8
0.772
168.5
0.772
166.3
0.772
164.3
0.773
162.5
0.773
160.7
0.772
158.9
0.772
157.0
0.771
155.1
0.772
153.5
0.775
151.9
0.774
150.5
0.773
148.9
0.771
147.3
0.771
145.7
0.771
144.1
0.774
142.7
0.774
141.4
0.774
140.0
0.771
138.5
0.769
136.9
0.769
135.4
0.770
134.0
0.771
132.7
S21
MAG ANG (deg.)
11.59
85.0
9.14
82.0
7.52
79.5
6.38
77.3
5.53
75.4
4.87
73.7
4.35
72.1
3.93
70.6
3.58
69.1
3.30
67.6
3.06
66.0
2.85
64.5
2.67
63.2
2.51
61.8
2.37
60.4
2.24
58.9
2.13
57.4
2.04
56.0
1.95
54.5
1.87
53.3
1.79
52.0
1.72
50.6
1.66
49.1
1.60
47.6
1.55
46.1
1.50
44.8
1.46
43.5
(V_CE = 3.6 V, I_C = 100 mA, Zo = 50 Ω )
S12
S22
MAG ANG (deg.) MAG ANG (deg.)
0.025
59.6
0.578
-165.8
0.030
61.7
0.582
-169.2
0.035
62.5
0.586
-171.7
0.040
63.3
0.590
-173.8
0.045
63.4
0.592
-175.6
0.050
63.3
0.595
-177.1
0.055
63.3
0.597
-178.4
0.059
63.2
0.598
-179.6
0.064
62.5
0.600
179.3
0.069
61.8
0.601
178.3
0.073
61.4
0.602
177.4
0.078
60.7
0.603
176.5
0.082
60.0
0.603
175.8
0.087
59.2
0.604
175.0
0.091
58.3
0.605
174.2
0.096
57.7
0.604
173.5
0.100
56.8
0.604
173.0
0.105
55.8
0.604
172.4
0.109
54.9
0.604
171.7
0.113
54.1
0.604
171.1
0.117
53.1
0.603
170.5
0.122
52.3
0.603
169.9
0.126
51.2
0.602
169.3
0.130
50.3
0.601
168.7
0.135
49.4
0.601
168.1
0.139
48.3
0.600
167.5
0.143
47.2
0.599
166.8
Rev.3.00 Aug 03, 2006 page 31 of 35