LNA，带有步进衰减器及VGA
MAX2371/MAX2373
表1. MAX2371 S参数
(V
CC
= 2.775V ， RX_EN =高， LNA_I =高， RF_ATTN =低，P
IN
= -30dBm ，T
A
= +25°C.)
低噪声放大器（S11）
频率
（兆赫）
大小
相
10
100
150
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
0.943409
0.746965
0.728794
0.705066
0.704636
0.719615
0.731998
0.736258
0.738074
0.738465
0.736843
0.720668
0.712090
0.690343
0.657098
0.606583
0.545500
0.469143
0.372315
0.267147
0.150522
0.060478
-4.8477
-29.9420
-35.6990
-43.4190
-55.1180
-65.2420
-73.5040
-80.6450
-85.6220
-89.2240
-91.6690
-94.0260
-96.1830
-98.0560
-100.3900
-103.2500
-106.6300
-111.0400
-116.0200
-123.3900
-137.6100
160.4700
低噪声放大器（S21）
大小
5.980672
2.959750
2.347308
1.769355
1.290313
1.060230
0.930754
0.849660
0.810047
0.796627
0.793643
0.801946
0.816554
0.836893
0.861113
0.891302
0.925092
0.966707
1.002767
1.021504
1.021081
0.995004
相
171.1200
102.1900
89.6950
75.0130
58.1420
45.42700
36.0670
28.4990
22.7470
18.1080
14.3230
9.9632
5.9889
1.1604
-4.3698
-10.2610
-16.1910
-23.1040
-29.9130
-37.6360
-45.7240
-53.5490
低噪声放大器（S12）
大小
0.002136
0.002021
0.003089
0.003238
0.004439
0.003346
0.004395
0.006155
0.004143
0.005580
0.005309
0.007592
0.008451
0.011955
0.014966
0.019602
0.023963
0.031521
0.039505
0.047321
0.056859
0.063929
相
-102.490
61.149
138.790
47.793
83.493
82.612
68.614
71.599
56.224
93.741
89.871
99.418
122.090
129.220
130.200
131.440
128.730
121.710
114.740
109.530
100.480
92.788
低噪声放大器（S22）
大小
0.998803
0.994752
0.985485
0.986870
0.979073
0.963130
0.947862
0.935998
0.930518
0.935158
0.933372
0.941369
0.940860
0.936774
0.930219
0.925103
0.926670
0.939042
0.949456
0.966296
0.975001
0.971740
相
-1.1632
-4.4481
-6.0754
-7.7399
-11.1180
-14.6680
-18.0970
-21.2670
-23.5710
-25.5640
-27.8980
-30.2110
-32.2310
-34.6290
-37.6190
-40.1400
-42.0800
-43.7830
-45.2980
-46.5300
-48.7600
-50.8360
6
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MAXIM [ MAXIM INTEGRATED PRODUCTS ]
