! SIEMENS Small Signal Semiconductors ! BFS481 ! Si NPN RF Bipolar Junction Transistor in SOT363 ! VCE = 0.5 V IC = 1.5 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 0.9491 -1.2 4.975 179.5 0.0021 89.9 0.9936 -0.5 0.020 0.9497 -2.2 4.947 178.5 0.0044 85.5 0.9902 -1.0 0.030 0.9483 -3.4 4.963 177.8 0.0061 88.7 0.9922 -1.5 0.050 0.9464 -5.7 4.995 176.2 0.0103 86.0 0.9916 -2.5 0.100 0.9417 -11.0 4.977 171.4 0.0202 84.3 0.9883 -5.0 0.150 0.9296 -16.4 4.956 166.5 0.0302 80.6 0.9800 -7.4 0.200 0.9178 -21.7 4.874 162.2 0.0399 77.5 0.9694 -9.7 0.250 0.9053 -26.9 4.815 158.0 0.0488 74.2 0.9574 -12.0 0.300 0.8834 -32.0 4.704 153.3 0.0576 71.3 0.9426 -14.1 0.400 0.8407 -41.9 4.530 145.3 0.0735 65.9 0.9079 -18.1 0.500 0.7956 -51.1 4.288 137.7 0.0871 61.2 0.8725 -21.5 0.600 0.7522 -59.9 4.056 130.8 0.0984 56.9 0.8340 -24.4 0.700 0.7030 -68.0 3.776 124.5 0.1076 53.6 0.7988 -26.7 0.800 0.6627 -75.9 3.604 118.6 0.1157 50.5 0.7640 -28.9 0.900 0.6206 -83.0 3.379 113.3 0.1221 48.0 0.7333 -30.6 1.000 0.5877 -90.1 3.181 108.5 0.1275 45.7 0.7027 -32.3 1.100 0.5547 -96.7 2.991 103.7 0.1321 43.8 0.6779 -33.5 1.200 0.5267 -103.3 2.827 99.4 0.1363 41.6 0.6540 -34.9 1.300 0.5073 -109.5 2.692 95.8 0.1390 40.8 0.6332 -35.8 1.400 0.4801 -115.2 2.547 91.7 0.1427 39.7 0.6154 -37.0 1.500 0.4660 -121.5 2.434 88.1 0.1440 39.0 0.5958 -37.7 1.600 0.4504 -127.1 2.319 84.6 0.1469 38.7 0.5842 -38.5 1.700 0.4402 -132.4 2.232 81.6 0.1480 38.1 0.5682 -39.4 1.800 0.4259 -137.8 2.127 78.3 0.1511 38.0 0.5581 -40.2 1.900 0.4184 -143.1 2.038 75.1 0.1535 37.5 0.5479 -41.2 2.000 0.4106 -147.6 1.967 72.5 0.1557 37.4 0.5387 -42.2 2.200 0.4016 -156.7 1.826 66.8 0.1598 37.1 0.5201 -44.4 2.400 0.3974 -164.8 1.715 61.8 0.1642 37.3 0.5054 -46.6 2.600 0.3949 -172.9 1.612 56.9 0.1694 37.9 0.4926 -48.6 2.800 0.3946 179.9 1.518 52.0 0.1753 38.0 0.4839 -51.4 3.000 0.3987 173.1 1.442 47.5 0.1812 38.3 0.4734 -54.1 3.200 0.4030 166.8 1.376 43.4 0.1889 39.0 0.4665 -57.1 3.400 0.4102 160.8 1.314 39.2 0.1965 39.2 0.4591 -60.3 3.600 0.4183 155.4 1.261 35.2 0.2046 39.2 0.4513 -64.0 3.800 0.4275 150.6 1.206 31.6 0.2114 39.3 0.4407 -67.7 4.000 0.4370 146.3 1.160 28.0 0.2206 39.3 0.4353 -71.5 4.500 0.4617 137.2 1.059 19.2 0.2440 38.8 0.4207 -82.0 5.000 0.4705 129.2 0.968 11.6 0.2717 37.9 0.4161 -90.8 5.500 0.4735 123.0 0.918 3.2 0.3127 34.3 0.4230 -102.6 6.000 0.4652 115.3 0.867 -4.9 0.3537 29.0 0.4229 -113.2 ! ! SIEMENS AG Semiconductor Group, Munich