2SC5945 Datasheet, PDF (8/36 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.)
0.748
-149.1
0.751
-158.6
0.755
-165.6
0.758
-170.8
0.760
-175.2
0.762
-178.9
0.765
177.8
0.768
174.9
0.770
172.1
0.771
169.7
0.772
167.2
0.774
164.8
0.776
162.7
0.780
160.7
0.781
158.9
0.781
157.1
0.781
155.1
0.782
153.2
0.784
151.4
0.788
149.8
0.790
148.3
0.791
146.8
0.789
145.1
0.789
143.3
0.790
141.6
0.793
140.1
0.795
138.7
MAG
7.99
6.48
5.42
4.63
4.02
3.55
3.17
2.87
2.62
2.41
2.23
2.07
1.94
1.82
1.71
1.62
1.54
1.47
1.40
1.34
1.28
1.23
1.18
1.14
1.10
1.07
1.03
S21
ANG (deg.)
94.1
88.1
83.5
79.8
76.6
73.8
71.3
69.0
66.7
64.5
62.4
60.4
58.5
56.7
54.8
52.9
51.1
49.3
47.5
46.0
44.3
42.7
40.9
39.2
37.5
36.1
34.5
(V_CE = 3 V, I_C = 10 mA, Zo = 50 Ω )
S12
S22
MAG ANG (deg.) MAG ANG (deg.)
0.061
23.0
0.475
-124.4
0.063
22.1
0.457
-133.2
0.064
21.5
0.449
-139.7
0.065
21.8
0.445
-144.6
0.066
22.1
0.443
-148.6
0.067
22.7
0.443
-151.8
0.068
23.5
0.444
-154.5
0.070
24.6
0.446
-156.8
0.071
25.5
0.447
-158.7
0.073
26.1
0.449
-160.4
0.074
27.2
0.452
-161.8
0.076
27.9
0.454
-163.1
0.077
29.0
0.456
-164.2
0.079
29.7
0.459
-165.2
0.081
30.3
0.462
-166.1
0.083
31.1
0.465
-166.9
0.085
31.6
0.468
-167.6
0.088
32.1
0.470
-168.3
0.090
32.7
0.473
-168.9
0.092
33.1
0.476
-169.5
0.095
33.4
0.478
-170.1
0.097
33.8
0.481
-170.6
0.100
33.9
0.483
-171.1
0.102
34.2
0.486
-171.7
0.105
34.4
0.488
-172.2
0.108
34.4
0.491
-172.7
0.111
34.3
0.493
-173.3
Rev.3.00 Aug 03, 2006 page 8 of 35