10
Typical Scattering Parameters, Vdd = 4.8 V, Idd = 75 mA
LNA SPAR (100 MHz – 20 GHz)
Freq
(GHz)
S11
(dB)
S11
(ang)
S21
(dB)
S21
(ang)
S12
(dB)
S12
(ang)
S22
(dB)
S22
(ang)
0.1 -0.329 -22.999 33.852 148.157 -48.343 89.846 -3.56 -28.96
0.5 -5.991 -75.335 26.793 101.778 -37.553 68.482 -9.343 -42.722
0.7 -7.885 -88.201 24.381 90.298 -35.261 67.398 -10.033 -45.831
0.9 -9.209 -98.163 22.444 81.171 -33.47 66.028 -10.32 -49.973
1.0 -9.702 -101.134 21.599 77.242 -32.687 65.327 -10.275 -51.379
1.5 -11.151 -116.34 18.278 59.797 -29.648 61.018 -10.152 -63.539
1.7 -11.276 -122.907 17.226 53.244 -28.7 58.653 -10.128 -70.304
1.9 -11.28 -128.572 16.273 46.935 -27.88 56.39 -10.016 -77.005
2.0 -11.229 -131.135 15.822 43.855 -27.484 55.174 -9.922 -80.341
2.5 -10.769 -141.135 13.846 29.093 -25.85 49.214 -9.277 -96.744
3 -10.175 -148.444 12.169 15.07 -24.576 43.459 -8.47 -110.824
3.5 -9.562 -154.544 10.721 1.694 -23.511 37.989 -7.648 -122.637
4 -8.981 -159.914 9.465 -10.717 -22.487 33.134 -6.837 -133.403
4.5 -8.422 -166.312 8.43 -23.396 -21.619 27.803 -6.326 -143.965
5 -7.886 -174.086 7.427 -36.283 -20.85 22.415 -5.792 -154.912
5.5 -7.37 176.754 6.479 -49.17 -20.128 17.017 -5.329 -166.087
6 -6.889 166.657 5.61 -62.254 -19.395 11.192 -4.972 -177.579
7 -5.56 147.502 3.617 -88.076 -18.321 -1.075 -4.149 160.414
8 -4.329 135.731 1.376 -110.949 -17.688 -11.478 -3.34 143.283
9 -3.729 126.937 -0.866 -131.216 -16.886 -19.591 -3.081 130.105
10 -3.502 113.258 -2.61 -152.59 -15.681 -30.852 -2.366 113.034
11 -3.208 97.368 -4.934 -177.297 -14.905 -46.367 -2.241 88.557
12 -3.079 83.346 -7.811 158.326 -14.427 -62.459 -1.971 64.563
13 -3.133 68.38 -11.487 136.173 -14.497 -77.811 -1.813 46.387
14 -3.002 54.811 -15.566 121.173 -14.455 -87.355 -2.709 36.535
15 -2.865 48.736 -18.501 113.896 -13.135 -90.676 -3.722 50.249
16 -3.111 45.795 -24.606 83.96 -12.225 -107.4 -2.615 28.754
17 -3.355 38.022 -39.471 -2.18 -12.552 -124.888 -2.917 0.394
18 -3.245 27.651 -28.848 -107.903 -12.801 -138.791 -3.083 -12.005
19 -3.219 14.019 -24.346 -130.67 -13.289 -153.698 -2.647 -13.451
20 -3.289 -1.387 -21.594 -148.155 -13.144 -167.611 -2.637 -8.352
Figure 25. RFinput and RFoutput Reference Plane
RFinput
Reference Plane
RFoutput
Reference Plane
[2]
[RFinput]
[1]
[NU]
[3]
[Vbias2]
[4]
[NU]
[7]
[RFoutput]
[8]
[NU]
[6]
[PwrDwn]
[5]
[Vbias1]
Bias