2SC5945 Datasheet, PDF (34/36 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.)
0.749
-169.0
0.753
-174.3
0.757
-178.4
0.759
178.1
0.761
175.0
0.762
172.3
0.763
169.7
0.765
167.5
0.766
165.4
0.766
163.3
0.766
161.2
0.766
159.1
0.768
157.3
0.772
155.6
0.772
154.0
0.771
152.3
0.769
150.6
0.770
148.9
0.771
147.2
0.774
145.7
0.775
144.3
0.775
142.9
0.773
141.3
0.772
139.7
0.772
138.1
0.774
136.7
0.775
135.3
S21
MAG ANG (deg.)
10.38
88.4
8.24
84.2
6.79
80.9
5.76
78.1
4.99
75.6
4.39
73.4
3.92
71.5
3.54
69.7
3.23
67.8
2.97
66.0
2.75
64.3
2.56
62.6
2.39
61.0
2.25
59.4
2.12
57.8
2.00
56.2
1.90
54.6
1.82
53.0
1.73
51.4
1.66
50.0
1.59
48.6
1.53
47.1
1.47
45.5
1.42
43.9
1.37
42.3
1.33
41.0
1.29
39.5
(V_CE = 3.6 V, I_C = 250 mA, Zo = 50 Ω )
S12
S22
MAG ANG (deg.) MAG ANG (deg.)
0.037
34.8
0.508
-149.8
0.040
37.6
0.507
-155.7
0.043
39.3
0.509
-159.9
0.046
41.2
0.511
-163.1
0.049
42.9
0.513
-165.8
0.052
44.1
0.515
-168.0
0.056
45.2
0.518
-169.8
0.060
46.2
0.519
-171.4
0.063
46.8
0.521
-172.9
0.067
47.0
0.523
-174.1
0.070
47.5
0.525
-175.2
0.074
47.8
0.526
-176.2
0.078
48.0
0.527
-177.1
0.081
47.9
0.529
-177.9
0.085
47.8
0.530
-178.8
0.088
47.6
0.531
-179.5
0.092
47.4
0.531
179.9
0.096
47.1
0.532
179.3
0.100
46.6
0.533
178.7
0.103
46.4
0.534
178.1
0.107
45.9
0.534
177.5
0.110
45.4
0.534
177.0
0.114
44.7
0.535
176.4
0.118
44.3
0.535
175.9
0.121
43.7
0.535
175.4
0.125
43.1
0.535
174.8
0.129
42.3
0.535
174.3
Rev.3.00 Aug 03, 2006 page 34 of 35