2SC5945 Datasheet, PDF (9/36 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.)
0.750
-165.7
0.754
-171.7
0.758
-176.3
0.761
180.0
0.762
176.7
0.763
173.8
0.766
171.2
0.768
168.8
0.768
166.5
0.769
164.4
0.769
162.2
0.770
160.1
0.772
158.2
0.775
156.5
0.775
154.9
0.775
153.2
0.774
151.4
0.774
149.6
0.776
148.0
0.778
146.4
0.780
145.0
0.780
143.6
0.778
142.0
0.777
140.3
0.777
138.7
0.779
137.3
0.781
136.0
MAG
9.73
7.74
6.39
5.43
4.70
4.14
3.69
3.34
3.04
2.80
2.59
2.41
2.26
2.12
2.00
1.89
1.80
1.71
1.64
1.57
1.50
1.44
1.39
1.34
1.30
1.26
1.22
S21
ANG (deg.)
89.3
84.8
81.3
78.4
75.8
73.5
71.5
69.6
67.6
65.8
64.0
62.2
60.6
58.9
57.3
55.6
53.9
52.3
50.7
49.3
47.8
46.3
44.6
43.0
41.4
40.0
38.6
(V_CE = 3 V, I_C = 20 mA, Zo = 50 Ω )
S12
S22
MAG ANG (deg.) MAG ANG (deg.)
0.042
31.0
0.505
-146.0
0.044
33.1
0.501
-152.5
0.046
34.3
0.501
-157.1
0.049
36.2
0.503
-160.6
0.052
37.5
0.504
-163.5
0.055
38.8
0.506
-165.8
0.058
40.2
0.508
-167.8
0.061
41.5
0.510
-169.5
0.064
42.3
0.512
-171.0
0.067
42.8
0.513
-172.3
0.071
43.5
0.515
-173.4
0.074
43.8
0.516
-174.5
0.078
44.2
0.518
-175.5
0.081
44.4
0.519
-176.3
0.084
44.4
0.521
-177.1
0.087
44.6
0.522
-177.8
0.091
44.4
0.523
-178.4
0.095
44.2
0.524
-179.0
0.098
43.9
0.525
-179.7
0.101
43.8
0.526
179.7
0.105
43.4
0.527
179.2
0.108
43.1
0.527
178.7
0.112
42.6
0.528
178.1
0.115
42.3
0.528
177.6
0.119
41.8
0.529
177.1
0.123
41.3
0.530
176.5
0.126
40.7
0.530
176.0
Rev.3.00 Aug 03, 2006 page 9 of 35