2SC5945 Datasheet, PDF (16/36 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.)
0.752
-169.6
0.757
-174.8
0.761
-178.8
0.763
177.8
0.764
174.7
0.765
172.0
0.767
169.5
0.768
167.3
0.769
165.2
0.769
163.1
0.770
161.0
0.770
159.0
0.772
157.1
0.774
155.4
0.775
153.8
0.774
152.2
0.772
150.5
0.773
148.7
0.774
147.1
0.777
145.6
0.778
144.2
0.778
142.8
0.776
141.2
0.775
139.6
0.775
137.9
0.776
136.6
0.778
135.2
S21
MAG ANG (deg.)
10.13
88.1
8.03
84.0
6.62
80.7
5.62
78.0
4.87
75.5
4.29
73.4
3.83
71.4
3.46
69.6
3.15
67.8
2.90
66.0
2.69
64.3
2.50
62.6
2.34
61.0
2.20
59.4
2.07
57.8
1.96
56.2
1.86
54.6
1.78
53.0
1.70
51.4
1.63
50.0
1.56
48.6
1.50
47.1
1.44
45.5
1.39
43.9
1.35
42.3
1.31
40.9
1.27
39.5
(V_CE = 3 V, I_C = 250 mA, Zo = 50 Ω )
S12
S22
MAG ANG (deg.) MAG ANG (deg.)
0.037
35.1
0.519
-151.2
0.040
37.3
0.518
-156.9
0.043
39.4
0.520
-161.0
0.046
41.4
0.522
-164.2
0.050
42.8
0.524
-166.7
0.053
44.0
0.526
-168.9
0.057
45.4
0.528
-170.7
0.060
46.3
0.530
-172.3
0.064
46.7
0.531
-173.6
0.067
47.1
0.533
-174.9
0.071
47.6
0.535
-176.0
0.074
47.7
0.536
-177.0
0.078
47.9
0.537
-177.9
0.082
48.0
0.539
-178.7
0.086
47.7
0.540
-179.4
0.089
47.6
0.540
179.8
0.093
47.3
0.541
179.2
0.097
47.0
0.542
178.6
0.100
46.6
0.543
177.9
0.104
46.2
0.543
177.3
0.108
45.7
0.543
176.8
0.111
45.3
0.544
176.3
0.115
44.7
0.544
175.7
0.119
44.2
0.544
175.1
0.122
43.6
0.544
174.6
0.126
42.9
0.544
174.1
0.130
42.2
0.545
173.5
Rev.3.00 Aug 03, 2006 page 16 of 35