2SC5945 Datasheet, PDF (19/36 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.)
0.753
-171.8
0.757
-176.5
0.761
179.7
0.763
176.4
0.764
173.6
0.765
170.9
0.766
168.5
0.768
166.4
0.768
164.3
0.768
162.3
0.768
160.3
0.768
158.3
0.770
156.5
0.773
154.8
0.773
153.2
0.772
151.6
0.770
149.9
0.771
148.2
0.772
146.5
0.775
145.0
0.775
143.7
0.776
142.3
0.773
140.7
0.772
139.1
0.772
137.5
0.773
136.1
0.775
134.8
S21
MAG ANG (deg.)
10.53
87.5
8.34
83.6
6.87
80.5
5.83
77.8
5.05
75.5
4.44
73.4
3.97
71.5
3.58
69.8
3.27
68.0
3.00
66.3
2.78
64.6
2.59
62.9
2.42
61.4
2.28
59.8
2.15
58.3
2.03
56.7
1.93
55.1
1.84
53.5
1.76
52.0
1.69
50.6
1.62
49.2
1.55
47.7
1.50
46.2
1.44
44.6
1.40
43.0
1.35
41.7
1.31
40.3
(V_CE = 3.3 V, I_C = 30 mA, Zo = 50 Ω )
S12
S22
MAG ANG (deg.) MAG ANG (deg.)
0.034
38.6
0.525
-153.8
0.038
40.8
0.526
-159.1
0.041
43.4
0.528
-162.9
0.044
45.1
0.530
-165.9
0.048
46.5
0.532
-168.3
0.052
47.5
0.535
-170.4
0.056
48.8
0.537
-172.1
0.059
49.5
0.539
-173.5
0.063
49.8
0.541
-174.9
0.067
50.1
0.542
-176.0
0.071
50.4
0.543
-177.1
0.075
50.4
0.545
-178.1
0.079
50.4
0.546
-179.0
0.083
50.2
0.547
-179.8
0.086
50.0
0.548
179.4
0.090
49.7
0.549
178.7
0.094
49.3
0.549
178.1
0.098
48.9
0.550
177.5
0.102
48.4
0.551
176.8
0.105
47.9
0.551
176.2
0.109
47.3
0.551
175.7
0.113
46.8
0.551
175.1
0.117
46.0
0.551
174.6
0.121
45.5
0.551
174.0
0.124
44.7
0.551
173.5
0.128
44.1
0.551
172.9
0.132
43.2
0.551
172.3
Rev.3.00 Aug 03, 2006 page 19 of 35