LNAs with Step Attenuator and VGA
Table 1. MAX2371 S-Parameters
(V
= 2.775V, RX_EN = high, LNA_I = high, RF_ATTN = low, P = -30dBm, T = +25°C.)
IN A
CC
LNA (S11)
LNA (S21)
LNA (S12)
LNA (S22)
FREQUENCY
(MHz)
MAGNITUDE
PHASE
-4.8477
MAGNITUDE
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
PHASE
171.1200
102.1900
89.6950
75.0130
58.1420
45.42700
36.0670
28.4990
22.7470
18.1080
14.3230
9.9632
MAGNITUDE
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
PHASE
-102.490
61.149
MAGNITUDE
PHASE
-1.1632
10
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
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
100
-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
-4.4481
150
138.790
47.793
-6.0754
200
-7.7399
300
83.493
-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
400
82.612
500
68.614
600
71.599
700
56.224
800
93.741
900
89.871
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
99.418
5.9889
122.090
129.220
130.200
131.440
128.730
121.710
114.740
109.530
100.480
92.788
1.1604
-4.3698
-10.2610
-16.1910
-23.1040
-29.9130
-37.6360
-45.7240
-53.5490
6
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MAXIM [ MAXIM INTEGRATED PRODUCTS ]
