! SIEMENS Small Signal Semiconductors ! BFS480 ! Si NPN RF Bipolar Junction Transistor in SOT363 ! VCE = 4 V IC = 2 mA ! Common Emitter S-Parameters: August 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9175 -1.1 6.214 177.8 0.0014 86.1 0.9971 -0.5 0.020 0.9158 -1.8 6.237 178.2 0.0027 83.2 0.9969 -0.9 0.050 0.9141 -4.7 6.104 175.0 0.0072 87.7 0.9949 -2.2 0.100 0.9079 -9.5 6.058 171.7 0.0145 84.0 0.9891 -4.4 0.150 0.8981 -13.9 6.023 166.5 0.0218 80.3 0.9841 -6.6 0.200 0.8844 -18.9 5.979 162.8 0.0286 79.0 0.9762 -8.5 0.250 0.8696 -23.7 5.945 158.5 0.0352 76.0 0.9649 -10.5 0.300 0.8489 -27.9 5.817 154.3 0.0416 74.7 0.9520 -12.4 0.400 0.8128 -36.2 5.557 147.2 0.0531 69.2 0.9215 -15.8 0.500 0.7602 -44.1 5.251 139.2 0.0632 65.5 0.8907 -18.8 0.600 0.7126 -51.7 5.028 132.8 0.0728 62.0 0.8571 -21.4 0.700 0.6732 -58.6 4.751 126.8 0.0800 59.0 0.8253 -23.6 0.800 0.6232 -65.2 4.450 121.1 0.0866 56.3 0.7944 -25.5 0.900 0.5810 -70.8 4.177 116.0 0.0926 54.6 0.7668 -26.9 1.000 0.5395 -77.0 3.959 111.4 0.0980 52.8 0.7422 -28.3 1.100 0.5060 -83.3 3.764 107.1 0.1025 51.6 0.7197 -29.7 1.200 0.4733 -89.1 3.571 102.9 0.1072 50.4 0.6993 -30.9 1.300 0.4434 -94.2 3.376 99.4 0.1113 49.4 0.6811 -31.8 1.400 0.4171 -99.9 3.192 95.7 0.1141 48.8 0.6642 -32.8 1.500 0.3990 -104.8 3.059 92.6 0.1184 48.4 0.6495 -33.7 1.600 0.3719 -110.3 2.907 88.9 0.1221 47.9 0.6347 -34.5 1.700 0.3584 -115.5 2.788 86.0 0.1251 47.8 0.6208 -35.4 1.800 0.3371 -121.1 2.673 83.1 0.1290 47.5 0.6129 -36.2 1.900 0.3282 -125.9 2.578 80.2 0.1326 47.5 0.6034 -37.3 2.000 0.3142 -130.8 2.472 77.4 0.1364 47.2 0.5930 -38.2 2.200 0.2987 -140.6 2.282 72.3 0.1432 47.1 0.5784 -40.0 2.400 0.2860 -149.5 2.146 67.3 0.1507 47.1 0.5626 -42.0 2.600 0.2738 -159.1 2.014 63.0 0.1585 47.2 0.5506 -43.9 2.800 0.2692 -167.1 1.906 58.8 0.1667 46.9 0.5396 -46.4 3.000 0.2658 -175.1 1.802 54.7 0.1746 47.1 0.5328 -48.3 3.500 0.2724 166.7 1.594 45.0 0.1976 46.3 0.5144 -55.0 4.000 0.2938 152.6 1.448 36.4 0.2213 45.3 0.4960 -62.4 4.500 0.3152 144.3 1.333 28.8 0.2469 43.9 0.4905 -70.1 5.000 0.3279 137.4 1.238 21.4 0.2765 42.2 0.4891 -78.6 5.500 0.3268 133.1 1.157 15.2 0.3093 39.9 0.4862 -85.0 6.000 0.3063 128.4 1.101 8.8 0.3453 37.2 0.4945 -91.4 ! ! f Fmin Gammaopt rn/50 ! GHz dB MAG ANG - 0.450 1.45 0.62 12 0.80 0.900 1.55 0.53 25 0.80 1.800 2.00 0.38 50 0.56 ! ! SIEMENS AG Semiconductor Group, Munich