2SC5945 Datasheet, PDF (27/36 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.)
0.746
-165.2
0.751
-171.3
0.755
-175.9
0.758
-179.7
0.759
177.0
0.760
174.0
0.763
171.4
0.764
169.0
0.765
166.7
0.766
164.6
0.766
162.4
0.767
160.3
0.769
158.4
0.772
156.6
0.772
155.0
0.772
153.3
0.770
151.5
0.771
149.8
0.773
148.1
0.775
146.6
0.777
145.2
0.777
143.7
0.775
142.1
0.774
140.4
0.775
138.8
0.776
137.4
0.778
136.1
MAG
9.97
7.94
6.56
5.57
4.82
4.25
3.79
3.42
3.12
2.87
2.66
2.47
2.31
2.17
2.04
1.93
1.84
1.75
1.67
1.60
1.53
1.48
1.42
1.37
1.32
1.28
1.24
S21
ANG (deg.)
89.5
84.9
81.4
78.4
75.8
73.5
71.4
69.5
67.6
65.7
63.8
62.1
60.5
58.8
57.2
55.5
53.9
52.2
50.6
49.2
47.7
46.2
44.5
42.9
41.3
39.9
38.5
(V_CE = 3.6 V, I_C = 20 mA, Zo = 50 Ω )
S12
S22
MAG ANG (deg.) MAG ANG (deg.)
0.041
31.0
0.494
-144.7
0.044
32.7
0.491
-151.3
0.046
34.2
0.491
-156.0
0.049
36.5
0.492
-159.6
0.051
37.9
0.494
-162.5
0.054
39.3
0.496
-164.9
0.058
40.5
0.498
-166.9
0.061
41.6
0.500
-168.7
0.064
42.5
0.502
-170.2
0.067
42.9
0.503
-171.5
0.070
43.7
0.505
-172.7
0.073
44.0
0.507
-173.8
0.077
44.5
0.508
-174.7
0.080
44.6
0.511
-175.5
0.083
44.5
0.512
-176.4
0.087
44.7
0.513
-177.1
0.090
44.6
0.514
-177.7
0.094
44.4
0.515
-178.3
0.097
44.2
0.516
-179.0
0.100
44.0
0.517
-179.6
0.104
43.7
0.518
179.9
0.108
43.3
0.519
179.4
0.111
42.9
0.519
178.9
0.115
42.6
0.520
178.3
0.118
42.0
0.521
177.8
0.121
41.5
0.521
177.3
0.125
40.8
0.522
176.7
Rev.3.00 Aug 03, 2006 page 27 of 35