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Data Sheet P15570EJ1V0DS
8
μ
PA891TC
S-PARAMETERS
Note
When K
≥
1, the MAG (Maximum Available Power Gain) is used.
MAG =
When K
<
1, the MSG (Maximum Stable Power Gain) is used.
MSG =
V
CE
= 1 V, I
C
= 1 mA, Z
O
= 50
Note
Frequency
(GHz)
S
11
S
21
S
12
S
22
K
MAG/MSG
(dB)
MAG.
ANG.
(deg.)
19.4
39.3
58.5
76.2
91.2
103.4
114.1
123.4
132.4
140.6
147.8
154.4
160.5
165.7
170.7
175.7
179.8
175.0
170.2
166.5
162.8
159.4
156.5
153.8
151.1
148.2
145.1
143.2
140.7
137.9
119.0
104.5
MAG.
ANG.
(deg.)
MAG.
ANG.
(deg.)
MAG.
ANG.
(deg.)
8.5
15.4
22.5
28.3
33.2
37.2
40.7
43.6
46.3
48.9
51.4
53.9
56.6
59.7
62.8
65.6
69.4
72.6
76.2
80.3
84.5
88.9
93.0
98.0
102.7
107.2
111.8
116.4
120.8
125.6
173.1
153.2
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
4.0
5.0
0.991
0.984
0.946
0.896
0.851
0.816
0.790
0.787
0.774
0.771
0.760
0.751
0.744
0.738
0.737
0.737
0.741
0.750
0.750
0.752
0.752
0.756
0.757
0.767
0.772
0.771
0.782
0.782
0.781
0.785
0.824
0.820
3.621
3.495
3.218
2.924
2.618
2.358
2.147
1.993
1.841
1.724
1.599
1.493
1.387
1.311
1.236
1.171
1.123
1.074
1.021
0.970
0.920
0.887
0.849
0.815
0.790
0.755
0.728
0.701
0.673
0.652
0.517
0.470
166.8
152.7
139.1
126.8
116.8
108.8
101.5
95.4
88.8
82.5
77.3
72.3
67.4
63.5
59.5
55.6
52.3
48.4
44.5
41.1
38.0
35.2
32.6
30.2
28.1
26.0
23.8
22.1
20.0
17.9
9.4
6.6
0.048
0.088
0.122
0.152
0.175
0.183
0.193
0.195
0.197
0.196
0.192
0.189
0.184
0.179
0.171
0.166
0.159
0.151
0.144
0.140
0.135
0.129
0.127
0.126
0.130
0.132
0.137
0.146
0.157
0.170
0.299
0.415
87.1
63.3
56.7
46.4
38.8
33.1
27.5
22.7
19.1
15.9
13.5
10.8
9.6
8.3
7.0
7.1
6.3
7.1
8.9
10.8
13.5
17.9
21.9
25.9
31.0
35.1
39.7
42.4
46.5
48.1
46.5
29.6
0.999
0.962
0.924
0.872
0.818
0.766
0.724
0.682
0.652
0.626
0.606
0.589
0.573
0.557
0.549
0.538
0.531
0.526
0.522
0.520
0.513
0.515
0.511
0.509
0.505
0.507
0.507
0.511
0.511
0.519
0.598
0.679
0.113
0.147
0.113
0.171
0.208
0.241
0.288
0.316
0.356
0.387
0.431
0.484
0.542
0.598
0.657
0.713
0.755
0.785
0.854
0.918
1.012
1.064
1.131
1.141
1.130
1.193
1.157
1.139
1.145
1.079
0.911
0.966
18.76
15.98
14.22
12.84
11.75
11.09
10.45
10.10
9.69
9.45
9.21
8.98
8.78
8.65
8.59
8.50
8.50
8.51
8.49
8.42
7.69
6.84
6.05
5.82
5.64
4.92
4.86
4.54
4.02
4.13
2.38
0.54
S
21
S
12
S
21
S
12
(K –
√
(K
2
– 1) )