! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 0.5 V IC = 6 mA ! Common Emitter S-Parameters: October 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.7384 -5.7 18.721 178.0 0.0042 90.7 0.9799 -3.6 0.020 0.7317 -11.0 18.482 173.7 0.0088 87.7 0.9747 -7.2 0.050 0.7329 -26.6 17.851 165.1 0.0218 76.4 0.9558 -18.0 0.100 0.7383 -51.1 16.799 152.3 0.0410 64.7 0.9033 -35.0 0.150 0.7204 -71.4 15.000 140.2 0.0554 53.8 0.8298 -49.6 0.200 0.7296 -88.5 13.535 131.2 0.0660 46.2 0.7629 -61.8 0.250 0.7282 -102.1 11.951 123.0 0.0729 39.3 0.6921 -72.7 0.300 0.7334 -112.6 10.657 116.9 0.0782 34.6 0.6443 -81.5 0.400 0.7298 -128.7 8.615 107.6 0.0837 27.1 0.5610 -95.8 0.500 0.7307 -139.4 7.073 100.1 0.0865 22.0 0.5084 -107.1 0.600 0.7407 -147.7 6.015 94.2 0.0883 18.6 0.4749 -116.1 0.700 0.7436 -153.9 5.212 89.1 0.0890 16.0 0.4561 -123.5 0.800 0.7467 -159.0 4.550 85.1 0.0902 14.1 0.4404 -129.8 0.900 0.7450 -163.1 4.041 81.4 0.0902 12.6 0.4280 -134.8 1.000 0.7486 -167.1 3.639 78.1 0.0897 11.7 0.4241 -139.2 1.100 0.7545 -170.9 3.319 74.9 0.0898 11.1 0.4233 -143.4 1.200 0.7571 -173.5 3.017 72.3 0.0895 10.5 0.4206 -147.0 1.300 0.7640 -176.0 2.782 69.7 0.0896 10.1 0.4179 -150.2 1.400 0.7638 -178.4 2.560 67.3 0.0892 9.5 0.4203 -152.7 1.500 0.7698 179.5 2.411 65.1 0.0889 9.7 0.4224 -155.7 1.600 0.7720 177.2 2.233 62.6 0.0889 10.0 0.4217 -158.2 1.700 0.7730 174.9 2.103 60.3 0.0891 10.2 0.4234 -160.6 1.800 0.7738 173.3 1.989 58.5 0.0888 10.3 0.4240 -162.5 1.900 0.7781 171.1 1.885 56.2 0.0890 10.5 0.4305 -164.5 2.000 0.7822 169.5 1.783 54.2 0.0896 11.2 0.4304 -166.6 2.200 0.7842 166.5 1.614 50.3 0.0903 11.7 0.4355 -169.4 2.400 0.7854 163.1 1.492 46.2 0.0914 12.6 0.4432 -173.0 2.600 0.7866 160.1 1.373 42.7 0.0925 13.6 0.4481 -175.6 2.800 0.7881 157.1 1.286 39.1 0.0947 14.6 0.4531 -179.0 3.000 0.7946 154.3 1.205 35.4 0.0971 15.6 0.4592 179.0 3.500 0.7997 146.7 1.043 27.2 0.1053 17.2 0.4755 172.3 4.000 0.8062 139.5 0.927 18.7 0.1154 17.9 0.4942 165.0 4.500 0.8158 132.1 0.841 10.7 0.1276 16.9 0.5124 158.2 5.000 0.8236 124.9 0.769 2.7 0.1399 15.6 0.5392 150.8 5.500 0.8259 117.3 0.695 -4.3 0.1535 12.9 0.5545 143.0 6.000 0.8409 110.0 0.650 -11.2 0.1671 9.8 0.5802 135.7 ! ! SIEMENS AG Semiconductor Group, Munich