! SIEMENS Small Signal Semiconductors ! BFS481 ! Si NPN RF Bipolar Junction Transistor in SOT363 ! VCE = 1.5 V IC = 1 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 0.9643 -0.7 3.466 179.8 0.0016 92.9 0.9975 -0.3 0.020 0.9640 -1.5 3.447 179.0 0.0032 85.7 0.9979 -0.6 0.030 0.9650 -2.4 3.457 178.6 0.0045 90.5 0.9973 -0.9 0.050 0.9658 -4.0 3.493 177.5 0.0072 85.8 0.9966 -1.5 0.100 0.9632 -7.6 3.479 174.0 0.0143 86.8 0.9971 -3.0 0.150 0.9567 -11.2 3.484 170.5 0.0220 83.6 0.9929 -4.5 0.200 0.9526 -15.0 3.456 167.3 0.0288 81.0 0.9882 -5.9 0.250 0.9480 -18.8 3.438 164.4 0.0357 79.0 0.9842 -7.4 0.300 0.9323 -22.4 3.412 160.6 0.0424 76.6 0.9780 -8.8 0.400 0.9114 -29.5 3.368 154.5 0.0557 72.5 0.9630 -11.5 0.500 0.8853 -36.6 3.273 148.2 0.0676 68.6 0.9462 -14.0 0.600 0.8559 -43.6 3.179 142.7 0.0786 64.6 0.9267 -16.4 0.700 0.8184 -50.2 3.051 136.7 0.0879 61.6 0.9058 -18.5 0.800 0.7911 -56.5 2.984 131.6 0.0966 58.4 0.8844 -20.6 0.900 0.7533 -62.7 2.875 126.5 0.1037 55.5 0.8643 -22.4 1.000 0.7236 -68.6 2.755 121.9 0.1104 52.8 0.8420 -24.1 1.100 0.6868 -74.4 2.645 116.9 0.1161 50.4 0.8234 -25.6 1.200 0.6566 -80.4 2.543 112.5 0.1208 47.8 0.8037 -27.2 1.300 0.6298 -86.0 2.460 108.8 0.1242 46.1 0.7854 -28.4 1.400 0.5995 -91.1 2.354 104.5 0.1281 44.5 0.7691 -29.7 1.500 0.5787 -97.0 2.287 100.8 0.1304 43.1 0.7519 -30.8 1.600 0.5550 -102.3 2.206 96.9 0.1330 42.0 0.7393 -31.8 1.700 0.5366 -107.7 2.137 93.8 0.1342 41.0 0.7234 -32.8 1.800 0.5116 -113.1 2.058 90.0 0.1367 40.2 0.7122 -33.7 1.900 0.4958 -117.9 1.984 86.7 0.1383 39.2 0.7018 -34.8 2.000 0.4797 -122.7 1.927 83.8 0.1402 38.7 0.6927 -35.9 2.200 0.4568 -132.1 1.807 77.6 0.1416 37.8 0.6730 -37.9 2.400 0.4387 -141.1 1.706 72.2 0.1435 37.4 0.6580 -40.1 2.600 0.4238 -150.1 1.613 66.9 0.1462 37.9 0.6441 -42.1 2.800 0.4131 -158.4 1.526 61.7 0.1486 37.8 0.6349 -44.4 3.000 0.4094 -166.7 1.451 56.9 0.1511 38.6 0.6242 -46.8 3.200 0.4049 -174.6 1.395 52.2 0.1552 39.5 0.6173 -49.3 3.400 0.4053 178.5 1.334 47.9 0.1592 40.5 0.6115 -51.9 3.600 0.4083 171.7 1.282 43.7 0.1636 41.4 0.6048 -54.9 3.800 0.4158 165.5 1.226 39.8 0.1678 42.5 0.5954 -58.0 4.000 0.4207 159.8 1.181 36.0 0.1746 43.6 0.5911 -61.2 4.500 0.4439 148.4 1.078 26.8 0.1931 45.8 0.5792 -70.0 5.000 0.4548 138.1 0.984 18.7 0.2192 47.4 0.5742 -78.0 5.500 0.4541 130.4 0.930 10.1 0.2600 45.5 0.5804 -88.2 6.000 0.4461 121.4 0.878 1.8 0.3044 41.2 0.5801 -97.5 ! ! SIEMENS AG Semiconductor Group, Munich