! SIEMENS Small Signal Semiconductors ! BFS481 ! Si NPN RF Bipolar Junction Transistor in SOT363 ! VCE = 10 V IC = 12 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 0.7851 -2.1 22.144 176.4 0.0012 71.6 0.9741 -0.7 0.020 0.7879 -4.7 21.777 174.9 0.0025 80.7 0.9768 -1.8 0.030 0.7869 -7.1 21.788 173.4 0.0035 83.0 0.9724 -2.8 0.050 0.7790 -12.1 21.698 169.5 0.0059 79.0 0.9671 -4.7 0.100 0.7468 -23.3 20.839 159.7 0.0109 78.3 0.9401 -9.1 0.150 0.6975 -33.8 19.600 150.2 0.0160 73.4 0.9010 -12.6 0.200 0.6443 -43.0 18.095 142.4 0.0200 71.1 0.8583 -15.3 0.250 0.5908 -51.1 16.647 135.5 0.0237 68.5 0.8177 -17.2 0.300 0.5373 -58.6 15.237 129.5 0.0267 66.7 0.7805 -18.5 0.400 0.4511 -70.7 12.899 120.3 0.0322 65.4 0.7206 -19.8 0.500 0.3843 -80.4 11.016 113.1 0.0369 64.8 0.6779 -20.2 0.600 0.3343 -89.3 9.540 107.4 0.0420 65.1 0.6464 -20.2 0.700 0.2957 -98.0 8.352 102.9 0.0459 65.7 0.6236 -20.1 0.800 0.2621 -104.9 7.519 98.8 0.0509 66.5 0.6061 -20.1 0.900 0.2388 -112.2 6.762 95.6 0.0555 66.9 0.5931 -20.2 1.000 0.2216 -118.9 6.159 92.5 0.0602 67.6 0.5819 -20.3 1.100 0.2078 -125.4 5.640 89.4 0.0650 67.7 0.5730 -20.6 1.200 0.1960 -133.3 5.211 86.7 0.0698 67.8 0.5647 -20.9 1.300 0.1883 -138.9 4.853 84.6 0.0743 68.1 0.5580 -21.3 1.400 0.1815 -146.1 4.523 82.0 0.0796 68.4 0.5526 -21.8 1.500 0.1801 -151.2 4.258 79.8 0.0844 68.5 0.5468 -22.3 1.600 0.1807 -157.0 4.009 77.7 0.0891 68.4 0.5420 -22.9 1.700 0.1777 -161.6 3.803 75.8 0.0940 68.2 0.5375 -23.5 1.800 0.1795 -167.0 3.599 73.6 0.0991 68.1 0.5331 -24.2 1.900 0.1806 -172.0 3.420 71.5 0.1043 67.9 0.5291 -25.0 2.000 0.1821 -175.9 3.278 69.8 0.1093 67.7 0.5259 -25.8 2.200 0.1872 176.4 3.006 65.9 0.1193 66.9 0.5181 -27.5 2.400 0.1934 169.3 2.790 62.4 0.1295 66.3 0.5118 -29.3 2.600 0.2012 163.0 2.600 58.8 0.1400 65.4 0.5050 -31.4 2.800 0.2089 158.0 2.427 55.2 0.1500 64.3 0.4990 -33.5 3.000 0.2195 152.6 2.292 51.8 0.1605 63.3 0.4922 -35.7 3.200 0.2324 148.1 2.175 48.6 0.1711 62.4 0.4868 -38.1 3.400 0.2440 144.1 2.061 45.3 0.1818 61.2 0.4796 -40.7 3.600 0.2556 140.6 1.973 42.0 0.1928 60.0 0.4728 -43.2 3.800 0.2654 137.4 1.876 39.0 0.2022 58.7 0.4631 -45.9 4.000 0.2776 134.8 1.804 35.9 0.2136 57.6 0.4579 -48.6 4.500 0.3061 129.8 1.644 28.0 0.2406 54.0 0.4422 -55.6 5.000 0.3203 124.0 1.497 20.3 0.2686 50.3 0.4413 -61.9 5.500 0.3215 120.6 1.413 11.9 0.3032 44.9 0.4487 -70.4 6.000 0.3149 115.6 1.326 3.2 0.3350 38.6 0.4595 -78.2 ! ! SIEMENS AG Semiconductor Group, Munich