Data Sheet P15361EJ1V0DS
8
μ
PA871TD
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.)
MAG.
ANG.
(deg.)
MAG.
ANG.
(deg.)
MAG.
ANG.
(deg.)
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
0.969
0.946
0.906
0.868
0.843
0.806
0.778
0.760
0.749
0.741
0.732
0.731
0.734
0.734
0.736
0.739
0.743
0.744
0.745
0.749
0.751
0.752
0.756
0.761
0.762
0.766
0.764
0.768
0.755
0.749
0.781
0.789
20.0
39.8
58.9
75.3
90.0
103.7
115.5
125.9
135.1
143.3
150.5
157.1
162.8
167.8
172.3
176.3
179.9
176.4
172.8
170.0
167.1
164.4
161.4
158.7
156.0
153.3
150.5
147.9
144.8
141.3
123.7
101.1
3.596
3.407
3.167
2.906
2.676
2.427
2.212
2.016
1.840
1.700
1.571
1.451
1.356
1.266
1.190
1.121
1.054
1.000
0.947
0.903
0.871
0.831
0.799
0.769
0.738
0.711
0.686
0.658
0.625
0.605
0.468
0.394
166.2
153.4
140.9
129.3
119.9
110.7
103.1
96.3
89.9
84.0
78.9
74.0
69.6
65.4
61.5
57.7
54.5
51.2
48.2
45.1
43.0
40.5
38.4
36.1
34.0
32.4
30.4
29.1
27.0
24.8
14.0
12.0
0.045
0.086
0.119
0.145
0.164
0.176
0.184
0.188
0.190
0.189
0.187
0.183
0.179
0.174
0.168
0.163
0.156
0.150
0.143
0.137
0.130
0.125
0.119
0.115
0.111
0.107
0.106
0.106
0.109
0.113
0.181
0.286
76.0
67.1
56.7
47.6
39.8
33.1
27.3
22.4
18.1
14.6
11.4
8.8
6.5
4.5
3.1
1.9
1.1
0.9
0.9
1.8
2.9
4.4
6.6
8.9
12.2
15.8
20.0
24.2
28.0
32.5
51.3
40.3
0.989
0.949
0.898
0.839
0.783
0.728
0.686
0.647
0.618
0.593
0.576
0.560
0.551
0.543
0.540
0.535
0.537
0.534
0.537
0.535
0.539
0.538
0.543
0.539
0.542
0.543
0.545
0.545
0.542
0.539
0.579
0.626
7.4
14.7
21.1
26.5
30.9
34.8
37.9
41.0
43.9
46.6
49.4
52.0
54.8
57.5
60.2
62.8
65.4
68.0
70.5
72.9
75.5
78.0
80.5
83.0
85.9
88.8
91.7
94.4
97.5
101.1
134.6
164.0
0.092
0.087
0.128
0.186
0.226
0.282
0.333
0.382
0.428
0.477
0.530
0.580
0.621
0.680
0.729
0.791
0.844
0.920
0.997
1.076
1.134
1.240
1.302
1.386
1.474
1.555
1.636
1.691
1.861
1.923
1.464
1.283
19.04
15.99
14.25
13.01
12.13
11.39
10.79
10.31
9.87
9.55
9.25
8.99
8.80
8.62
8.50
8.38
8.29
8.25
8.21
6.52
6.03
5.29
4.97
4.56
4.15
3.83
3.45
3.09
2.24
1.75
0.09
1.81
S
21
S
12
S
21
S
12
(K –
√
(K
2
– 1) )