2SC5945 Datasheet, PDF (26/36 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.)
0.747
-147.9
0.750
-157.7
0.754
-164.9
0.756
-170.2
0.759
-174.7
0.761
-178.4
0.764
178.2
0.766
175.2
0.768
172.5
0.769
170.0
0.770
167.5
0.771
165.1
0.774
163.0
0.778
161.0
0.779
159.1
0.779
157.2
0.778
155.4
0.781
153.5
0.783
151.6
0.786
149.9
0.788
148.4
0.789
146.9
0.788
145.2
0.788
143.4
0.788
141.7
0.791
140.2
0.793
138.8
MAG
8.12
6.61
5.53
4.73
4.11
3.62
3.23
2.93
2.67
2.45
2.27
2.11
1.97
1.85
1.74
1.65
1.57
1.49
1.42
1.36
1.30
1.25
1.20
1.16
1.12
1.08
1.05
S21
ANG (deg.)
94.5
88.4
83.7
79.9
76.6
73.8
71.3
68.9
66.7
64.4
62.3
60.3
58.5
56.6
54.7
52.8
51.0
49.2
47.4
45.9
44.3
42.6
40.8
39.1
37.4
35.9
34.4
(V_CE = 3.6 V, I_C = 10 mA, Zo = 50 Ω )
S12
S22
MAG ANG (deg.) MAG ANG (deg.)
0.060
23.5
0.470
-122.0
0.062
22.2
0.451
-131.0
0.063
21.6
0.441
-137.6
0.064
21.8
0.437
-142.7
0.065
22.1
0.435
-146.8
0.066
22.8
0.435
-150.1
0.068
23.7
0.436
-152.9
0.069
24.7
0.437
-155.3
0.070
25.5
0.439
-157.3
0.072
26.3
0.441
-158.9
0.073
27.3
0.443
-160.4
0.075
28.1
0.446
-161.7
0.077
29.0
0.448
-162.9
0.079
29.9
0.452
-163.9
0.080
30.4
0.454
-164.8
0.082
31.2
0.457
-165.7
0.084
31.9
0.459
-166.3
0.087
32.3
0.462
-167.0
0.089
32.8
0.465
-167.7
0.091
33.3
0.468
-168.3
0.094
33.7
0.470
-168.9
0.096
34.0
0.473
-169.4
0.098
34.0
0.476
-170.0
0.101
34.5
0.478
-170.5
0.104
34.6
0.481
-171.1
0.107
34.7
0.484
-171.6
0.110
34.7
0.486
-172.1
Rev.3.00 Aug 03, 2006 page 26 of 35