! SIEMENS Small Signal Semiconductors ! BFS481 ! Si NPN RF Bipolar Junction Transistor in SOT363 ! VCE = 1.5 V IC = 3 mA ! Common Emitter S-Parameters: October 1994 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.8986 -1.4 9.036 179.2 0.0013 87.0 0.9934 -0.5 0.020 0.9021 -2.8 8.966 177.8 0.0033 89.1 0.9936 -1.1 0.030 0.9015 -4.3 9.015 177.0 0.0043 89.3 0.9916 -1.6 0.050 0.8973 -7.2 9.062 174.8 0.0073 85.1 0.9916 -2.8 0.100 0.8878 -13.8 8.970 168.8 0.0139 82.8 0.9836 -5.4 0.150 0.8681 -20.6 8.822 162.8 0.0209 78.9 0.9703 -8.0 0.200 0.8478 -27.1 8.601 157.5 0.0271 75.6 0.9530 -10.3 0.250 0.8239 -33.4 8.367 152.4 0.0325 72.8 0.9346 -12.5 0.300 0.7895 -39.5 8.072 147.0 0.0383 69.7 0.9132 -14.5 0.400 0.7282 -50.4 7.506 138.1 0.0474 65.1 0.8676 -17.7 0.500 0.6652 -60.7 6.883 130.2 0.0550 61.1 0.8256 -20.1 0.600 0.6102 -69.6 6.300 123.4 0.0618 58.4 0.7859 -21.9 0.700 0.5540 -77.9 5.735 117.4 0.0666 56.5 0.7519 -23.1 0.800 0.5116 -85.7 5.328 112.1 0.0713 55.1 0.7225 -24.2 0.900 0.4709 -93.1 4.910 107.4 0.0754 54.3 0.6981 -25.0 1.000 0.4410 -99.7 4.546 103.3 0.0789 53.9 0.6768 -25.7 1.100 0.4110 -106.5 4.221 99.1 0.0828 53.2 0.6589 -26.2 1.200 0.3844 -113.2 3.948 95.4 0.0861 52.9 0.6427 -26.9 1.300 0.3693 -119.1 3.714 92.5 0.0893 53.1 0.6295 -27.4 1.400 0.3501 -125.2 3.483 89.0 0.0928 53.3 0.6179 -28.0 1.500 0.3392 -131.1 3.308 86.1 0.0959 53.5 0.6067 -28.5 1.600 0.3299 -136.9 3.129 83.2 0.0992 53.9 0.5985 -29.1 1.700 0.3201 -141.6 2.986 80.7 0.1025 54.2 0.5897 -29.8 1.800 0.3144 -147.5 2.837 77.9 0.1065 54.5 0.5826 -30.4 1.900 0.3090 -152.4 2.704 75.3 0.1101 54.7 0.5755 -31.2 2.000 0.3046 -157.2 2.600 73.1 0.1138 54.9 0.5711 -32.1 2.200 0.3025 -165.4 2.395 68.3 0.1211 55.4 0.5593 -33.7 2.400 0.3008 -173.5 2.235 64.0 0.1293 55.8 0.5504 -35.7 2.600 0.3033 178.7 2.088 59.8 0.1378 56.2 0.5412 -37.7 2.800 0.3076 171.8 1.958 55.5 0.1465 55.9 0.5345 -39.9 3.000 0.3151 165.3 1.852 51.6 0.1553 55.9 0.5268 -42.2 3.200 0.3216 159.8 1.763 47.8 0.1652 56.0 0.5209 -44.8 3.400 0.3297 154.3 1.674 44.0 0.1749 55.8 0.5145 -47.5 3.600 0.3408 149.4 1.605 40.4 0.1855 55.2 0.5081 -50.3 3.800 0.3508 145.0 1.529 37.1 0.1945 54.7 0.4990 -53.3 4.000 0.3604 141.6 1.470 33.6 0.2057 54.1 0.4940 -56.4 4.500 0.3895 133.9 1.341 25.2 0.2332 52.0 0.4798 -64.6 5.000 0.4003 126.5 1.223 17.4 0.2637 49.4 0.4770 -71.8 5.500 0.4003 121.7 1.154 8.8 0.3028 44.6 0.4838 -81.4 6.000 0.3947 114.9 1.086 0.1 0.3406 38.7 0.4904 -90.2 ! ! SIEMENS AG Semiconductor Group, Munich