! SIEMENS Small Signal Semiconductors ! BFS481 ! Si NPN RF Bipolar Junction Transistor in SOT363 ! VCE = 0.5 V IC = 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 0.8281 -3.6 12.207 177.7 0.0029 88.7 0.9400 -1.4 0.020 0.8324 -6.9 12.156 175.1 0.0057 86.5 0.9369 -2.9 0.030 0.8239 -10.7 12.129 172.8 0.0082 84.2 0.9349 -4.4 0.050 0.8189 -17.8 12.066 167.8 0.0137 79.7 0.9254 -7.2 0.100 0.7749 -34.1 11.392 156.0 0.0257 72.3 0.8845 -13.5 0.150 0.7242 -49.1 10.487 145.3 0.0359 64.7 0.8282 -18.5 0.200 0.6708 -62.4 9.516 136.5 0.0434 59.7 0.7695 -22.0 0.250 0.6243 -74.2 8.608 129.0 0.0495 55.3 0.7170 -24.5 0.300 0.5759 -85.1 7.737 122.6 0.0542 52.5 0.6724 -26.1 0.400 0.5126 -102.4 6.412 112.7 0.0612 49.0 0.6027 -27.5 0.500 0.4717 -116.3 5.402 105.2 0.0665 47.7 0.5558 -27.9 0.600 0.4439 -127.4 4.645 99.0 0.0714 47.1 0.5202 -27.8 0.700 0.4258 -137.3 4.039 94.1 0.0758 47.7 0.4968 -27.7 0.800 0.4171 -145.0 3.622 89.6 0.0802 48.4 0.4770 -27.6 0.900 0.4030 -152.3 3.243 85.9 0.0845 49.2 0.4640 -27.9 1.000 0.4019 -158.0 2.960 82.4 0.0887 49.9 0.4506 -28.0 1.100 0.3993 -163.7 2.708 78.8 0.0935 50.7 0.4416 -28.5 1.200 0.4005 -168.9 2.502 75.7 0.0984 51.0 0.4312 -29.0 1.300 0.3995 -172.6 2.330 72.9 0.1027 52.1 0.4243 -29.6 1.400 0.4027 -177.4 2.176 70.1 0.1082 52.8 0.4174 -30.5 1.500 0.4062 178.9 2.051 67.2 0.1128 53.3 0.4123 -31.1 1.600 0.4091 175.6 1.931 64.4 0.1179 54.0 0.4083 -32.3 1.700 0.4142 172.7 1.841 62.0 0.1226 54.3 0.4032 -33.1 1.800 0.4185 169.0 1.741 59.5 0.1284 54.8 0.3988 -34.4 1.900 0.4219 166.0 1.657 57.0 0.1341 54.9 0.3933 -35.7 2.000 0.4244 163.5 1.590 54.8 0.1400 55.1 0.3895 -37.1 2.200 0.4334 158.2 1.463 50.1 0.1516 55.0 0.3785 -40.0 2.400 0.4415 153.3 1.365 45.8 0.1632 54.9 0.3697 -43.2 2.600 0.4499 148.6 1.277 41.6 0.1750 54.6 0.3638 -46.3 2.800 0.4581 144.4 1.194 37.3 0.1877 54.0 0.3565 -50.5 3.000 0.4684 140.7 1.132 33.6 0.2007 53.3 0.3468 -54.3 3.200 0.4794 136.7 1.072 29.9 0.2141 52.7 0.3414 -58.9 3.400 0.4889 133.1 1.019 26.4 0.2273 51.9 0.3341 -63.7 3.600 0.5000 129.9 0.974 23.1 0.2422 50.6 0.3248 -68.9 3.800 0.5075 126.7 0.930 20.1 0.2544 49.3 0.3133 -74.0 4.000 0.5187 123.9 0.891 17.0 0.2689 48.0 0.3067 -79.5 4.500 0.5381 117.9 0.808 9.8 0.3038 44.1 0.2897 -93.7 5.000 0.5436 111.8 0.732 4.1 0.3408 39.9 0.2847 -105.3 5.500 0.5364 106.3 0.694 -2.5 0.3866 33.3 0.2903 -120.4 6.000 0.5242 99.2 0.655 -8.9 0.4275 25.5 0.2879 -133.3 ! ! SIEMENS AG Semiconductor Group, Munich