! SIEMENS Small Signal Semiconductors ! BFS481 ! Si NPN RF Bipolar Junction Transistor in SOT363 ! VCE = 1.75 V IC = 2 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 0.9336 -1.0 6.427 179.4 0.0014 86.7 0.9961 -0.4 0.020 0.9363 -2.3 6.405 178.4 0.0031 85.3 0.9937 -0.8 0.030 0.9332 -3.4 6.421 177.8 0.0042 90.3 0.9949 -1.3 0.050 0.9333 -5.7 6.464 176.1 0.0070 85.6 0.9941 -2.1 0.100 0.9255 -10.7 6.425 171.4 0.0137 84.2 0.9904 -4.2 0.150 0.9140 -15.9 6.387 166.6 0.0207 81.4 0.9828 -6.3 0.200 0.9018 -21.0 6.296 162.3 0.0273 78.8 0.9732 -8.2 0.250 0.8874 -26.1 6.193 158.1 0.0334 75.7 0.9624 -10.0 0.300 0.8646 -31.0 6.063 153.5 0.0393 73.0 0.9482 -11.8 0.400 0.8179 -40.5 5.806 145.7 0.0503 68.4 0.9181 -15.0 0.500 0.7708 -49.4 5.482 138.3 0.0592 64.0 0.8855 -17.7 0.600 0.7248 -57.5 5.155 131.8 0.0674 60.4 0.8523 -19.9 0.700 0.6726 -65.2 4.802 125.6 0.0739 58.0 0.8227 -21.6 0.800 0.6265 -72.2 4.558 120.1 0.0796 55.5 0.7924 -23.2 0.900 0.5807 -79.4 4.265 115.0 0.0844 53.8 0.7675 -24.5 1.000 0.5506 -85.9 4.006 110.6 0.0885 52.1 0.7431 -25.7 1.100 0.5149 -92.0 3.755 106.0 0.0924 50.9 0.7232 -26.6 1.200 0.4841 -98.4 3.549 102.0 0.0957 49.7 0.7047 -27.6 1.300 0.4585 -104.2 3.368 98.7 0.0985 49.3 0.6878 -28.3 1.400 0.4325 -109.8 3.180 94.9 0.1015 48.9 0.6736 -29.1 1.500 0.4162 -115.7 3.034 91.7 0.1040 48.8 0.6598 -29.8 1.600 0.3986 -121.4 2.890 88.4 0.1068 48.6 0.6494 -30.4 1.700 0.3881 -126.2 2.769 85.7 0.1087 48.6 0.6373 -31.2 1.800 0.3707 -132.2 2.642 82.5 0.1122 48.8 0.6288 -31.9 1.900 0.3600 -137.5 2.525 79.7 0.1148 48.8 0.6203 -32.7 2.000 0.3520 -142.0 2.431 77.2 0.1176 48.9 0.6139 -33.6 2.200 0.3393 -151.5 2.253 72.0 0.1228 49.3 0.5992 -35.3 2.400 0.3308 -160.1 2.109 67.4 0.1287 49.8 0.5885 -37.2 2.600 0.3275 -168.8 1.976 62.7 0.1357 50.6 0.5780 -39.1 2.800 0.3285 -176.3 1.856 58.2 0.1421 50.8 0.5702 -41.2 3.000 0.3301 176.6 1.759 54.0 0.1493 51.3 0.5617 -43.5 3.200 0.3352 169.5 1.675 50.0 0.1577 51.7 0.5556 -46.0 3.400 0.3427 163.6 1.596 46.1 0.1660 52.0 0.5493 -48.5 3.600 0.3497 157.9 1.529 42.3 0.1751 52.0 0.5431 -51.3 3.800 0.3579 152.8 1.458 38.7 0.1830 52.0 0.5336 -54.3 4.000 0.3692 148.4 1.405 35.2 0.1931 51.9 0.5294 -57.3 4.500 0.3945 139.3 1.282 26.5 0.2185 50.9 0.5160 -65.6 5.000 0.4065 131.0 1.169 18.5 0.2475 49.4 0.5126 -72.9 5.500 0.4073 125.1 1.103 9.8 0.2871 45.4 0.5192 -82.5 6.000 0.4029 117.8 1.039 1.3 0.3266 39.9 0.5246 -91.2 ! ! SIEMENS AG Semiconductor Group, Munich