! SIEMENS Small Signal Semiconductors ! BFS481 ! Si NPN RF Bipolar Junction Transistor in SOT363 ! VCE = 3 V IC = 4 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 0.8742 -1.5 11.350 178.8 0.0015 91.2 0.9926 -0.6 0.020 0.8804 -3.0 11.309 177.4 0.0026 85.8 0.9917 -1.1 0.030 0.8773 -4.6 11.307 176.4 0.0040 88.4 0.9912 -1.8 0.050 0.8712 -7.8 11.357 174.0 0.0065 87.9 0.9896 -3.0 0.100 0.8623 -15.3 11.195 167.4 0.0124 83.2 0.9798 -5.9 0.150 0.8375 -22.6 10.959 160.8 0.0188 77.9 0.9630 -8.7 0.200 0.8097 -29.5 10.600 154.9 0.0243 75.0 0.9415 -11.1 0.250 0.7787 -36.1 10.217 149.4 0.0294 71.9 0.9192 -13.3 0.300 0.7392 -42.4 9.762 143.9 0.0340 68.9 0.8939 -15.2 0.400 0.6698 -54.1 8.925 134.7 0.0420 64.8 0.8440 -18.1 0.500 0.6022 -64.2 8.061 126.8 0.0480 61.8 0.7990 -20.2 0.600 0.5448 -73.1 7.290 120.1 0.0537 59.7 0.7598 -21.5 0.700 0.4906 -81.3 6.560 114.3 0.0581 58.6 0.7276 -22.4 0.800 0.4471 -88.9 6.047 109.2 0.0623 57.8 0.7000 -23.1 0.900 0.4092 -96.0 5.535 104.9 0.0661 57.6 0.6779 -23.7 1.000 0.3807 -103.1 5.100 101.0 0.0701 57.5 0.6593 -24.2 1.100 0.3538 -109.4 4.718 97.1 0.0739 57.4 0.6434 -24.5 1.200 0.3320 -115.9 4.395 93.8 0.0774 57.3 0.6299 -25.0 1.300 0.3146 -121.9 4.120 91.0 0.0806 57.9 0.6180 -25.5 1.400 0.2984 -128.2 3.860 87.9 0.0847 58.1 0.6088 -26.0 1.500 0.2882 -134.2 3.654 85.1 0.0885 58.6 0.5993 -26.6 1.600 0.2812 -139.7 3.450 82.4 0.0921 58.8 0.5922 -27.1 1.700 0.2761 -144.4 3.287 80.1 0.0958 59.2 0.5846 -27.7 1.800 0.2685 -150.4 3.119 77.4 0.1000 59.4 0.5784 -28.3 1.900 0.2643 -155.4 2.971 75.0 0.1039 59.5 0.5721 -29.0 2.000 0.2634 -160.1 2.850 73.0 0.1084 59.8 0.5685 -29.9 2.200 0.2611 -168.7 2.623 68.4 0.1164 60.0 0.5578 -31.5 2.400 0.2615 -176.2 2.442 64.4 0.1251 60.2 0.5496 -33.3 2.600 0.2657 175.6 2.281 60.4 0.1344 60.1 0.5418 -35.3 2.800 0.2702 169.5 2.134 56.3 0.1435 59.7 0.5353 -37.4 3.000 0.2776 162.9 2.018 52.6 0.1530 59.4 0.5280 -39.6 3.200 0.2861 157.2 1.917 49.0 0.1628 59.2 0.5222 -42.0 3.400 0.2958 152.3 1.822 45.4 0.1728 58.6 0.5158 -44.6 3.600 0.3090 147.8 1.743 41.9 0.1836 57.9 0.5097 -47.3 3.800 0.3175 143.5 1.658 38.6 0.1928 57.2 0.5004 -50.1 4.000 0.3292 140.0 1.598 35.4 0.2041 56.4 0.4954 -53.0 4.500 0.3566 133.4 1.458 27.1 0.2314 53.8 0.4811 -60.6 5.000 0.3678 126.3 1.328 19.3 0.2610 50.9 0.4790 -67.4 5.500 0.3702 121.7 1.253 10.7 0.2983 45.9 0.4855 -76.5 6.000 0.3645 115.1 1.178 2.0 0.3341 39.9 0.4942 -84.7 ! ! SIEMENS AG Semiconductor Group, Munich