2SC5945 Datasheet, PDF (20/36 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.)
0.760
-177.2
0.763
179.1
0.766
176.0
0.767
173.3
0.768
170.7
0.768
168.3
0.770
166.2
0.771
164.2
0.771
162.3
0.770
160.4
0.770
158.4
0.770
156.5
0.771
154.8
0.774
153.2
0.773
151.7
0.772
150.1
0.770
148.5
0.771
146.8
0.771
145.2
0.774
143.7
0.774
142.4
0.774
141.1
0.771
139.5
0.770
137.9
0.770
136.3
0.771
135.0
0.772
133.7
S21
MAG ANG (deg.)
11.09
86.0
8.76
82.6
7.21
79.8
6.11
77.4
5.30
75.3
4.66
73.4
4.16
71.7
3.76
70.1
3.43
68.5
3.16
66.9
2.93
65.2
2.72
63.7
2.55
62.3
2.40
60.8
2.26
59.3
2.14
57.8
2.03
56.3
1.94
54.8
1.85
53.3
1.78
52.0
1.70
50.7
1.64
49.2
1.58
47.7
1.52
46.2
1.47
44.7
1.43
43.3
1.39
42.0
(V_CE = 3.3 V, I_C = 50 mA, Zo = 50 Ω )
S12
S22
MAG ANG (deg.) MAG ANG (deg.)
0.029
48.6
0.554
-160.8
0.033
51.5
0.557
-165.1
0.037
53.2
0.561
-168.1
0.042
54.6
0.564
-170.5
0.046
55.5
0.567
-172.6
0.050
56.0
0.569
-174.3
0.055
56.7
0.571
-175.8
0.059
57.1
0.573
-177.1
0.063
56.8
0.575
-178.3
0.068
56.6
0.576
-179.4
0.072
56.6
0.577
179.6
0.076
56.1
0.578
178.7
0.081
55.8
0.579
177.9
0.085
55.3
0.580
177.1
0.089
54.6
0.581
176.4
0.093
54.1
0.581
175.6
0.097
53.4
0.581
175.0
0.102
52.7
0.581
174.4
0.106
51.9
0.581
173.7
0.110
51.3
0.581
173.1
0.114
50.5
0.581
172.6
0.118
49.7
0.581
172.0
0.122
48.8
0.580
171.4
0.126
48.1
0.580
170.8
0.130
47.2
0.579
170.2
0.134
46.3
0.579
169.7
0.138
45.4
0.578
169.1
Rev.3.00 Aug 03, 2006 page 20 of 35