! SIEMENS Small Signal Semiconductors ! BFS481 ! Si NPN RF Bipolar Junction Transistor in SOT363 ! VCE = 6 V IC = 2.5 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 0.9249 -1.1 7.728 179.0 0.0013 85.5 0.9945 -0.5 0.020 0.9317 -2.1 7.697 178.0 0.0025 79.7 0.9970 -0.9 0.030 0.9268 -3.4 7.700 177.4 0.0041 90.1 0.9935 -1.4 0.050 0.9273 -5.6 7.736 175.8 0.0065 86.4 0.9934 -2.2 0.100 0.9198 -10.9 7.699 170.9 0.0124 86.6 0.9883 -4.3 0.150 0.9041 -16.3 7.625 165.9 0.0189 81.2 0.9807 -6.5 0.200 0.8911 -21.2 7.476 161.5 0.0247 78.3 0.9682 -8.4 0.250 0.8705 -26.5 7.353 157.2 0.0301 75.6 0.9568 -10.4 0.300 0.8471 -31.6 7.181 152.4 0.0356 73.0 0.9416 -12.2 0.400 0.7981 -40.9 6.843 144.5 0.0452 68.6 0.9081 -15.3 0.500 0.7461 -49.3 6.410 137.0 0.0532 64.8 0.8742 -17.8 0.600 0.6949 -57.3 5.998 130.5 0.0606 61.7 0.8390 -19.9 0.700 0.6371 -64.9 5.550 124.5 0.0660 59.4 0.8081 -21.5 0.800 0.5931 -71.7 5.245 119.0 0.0713 57.3 0.7788 -22.9 0.900 0.5461 -78.3 4.884 114.2 0.0758 55.9 0.7535 -24.0 1.000 0.5141 -84.5 4.569 109.9 0.0798 54.9 0.7308 -25.0 1.100 0.4750 -90.3 4.279 105.5 0.0836 53.8 0.7111 -25.8 1.200 0.4445 -96.2 4.026 101.7 0.0868 53.0 0.6925 -26.6 1.300 0.4189 -102.1 3.810 98.5 0.0897 52.9 0.6770 -27.3 1.400 0.3919 -107.7 3.595 95.0 0.0932 52.7 0.6633 -27.9 1.500 0.3763 -113.3 3.424 91.8 0.0962 52.8 0.6507 -28.5 1.600 0.3575 -118.5 3.252 88.8 0.0990 52.7 0.6406 -29.1 1.700 0.3459 -123.5 3.114 86.2 0.1017 52.8 0.6296 -29.8 1.800 0.3279 -129.2 2.964 83.2 0.1054 52.9 0.6211 -30.4 1.900 0.3160 -134.2 2.830 80.4 0.1085 52.9 0.6139 -31.1 2.000 0.3093 -138.9 2.727 78.2 0.1118 53.1 0.6079 -32.0 2.200 0.2964 -148.4 2.523 73.1 0.1181 53.5 0.5938 -33.5 2.400 0.2871 -157.0 2.354 68.7 0.1247 53.9 0.5833 -35.3 2.600 0.2825 -165.8 2.202 64.4 0.1324 54.2 0.5732 -37.1 2.800 0.2814 -173.6 2.067 60.0 0.1395 54.2 0.5654 -39.1 3.000 0.2839 178.8 1.956 56.0 0.1476 54.4 0.5573 -41.1 3.200 0.2886 171.4 1.863 52.2 0.1562 54.6 0.5511 -43.4 3.400 0.2944 165.1 1.773 48.3 0.1648 54.5 0.5448 -45.9 3.600 0.3026 159.2 1.698 44.6 0.1741 54.2 0.5380 -48.4 3.800 0.3100 154.0 1.618 41.2 0.1819 53.9 0.5288 -51.2 4.000 0.3214 149.6 1.558 37.8 0.1922 53.5 0.5242 -54.0 4.500 0.3467 140.9 1.423 29.2 0.2169 52.0 0.5101 -61.5 5.000 0.3598 132.2 1.295 21.1 0.2446 50.0 0.5076 -68.1 5.500 0.3610 127.4 1.221 12.4 0.2808 45.8 0.5142 -77.0 6.000 0.3563 120.0 1.149 3.7 0.3166 40.4 0.5209 -85.1 ! ! SIEMENS AG Semiconductor Group, Munich