! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 2 V IC = 0.4 mA ! Common Emitter S-Parameters: March 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9825 -0.7 1.481 179.8 0.0013 83.7 0.9989 -0.3 0.020 0.9831 -1.1 1.469 179.8 0.0027 84.8 0.9984 -0.5 0.050 0.9867 -2.6 1.477 177.4 0.0074 90.0 0.9983 -1.3 0.100 0.9771 -5.4 1.465 174.7 0.0146 83.7 0.9988 -2.6 0.150 0.9801 -8.1 1.460 172.1 0.0222 84.1 0.9971 -3.9 0.200 0.9797 -10.5 1.477 169.4 0.0297 82.9 0.9958 -5.2 0.250 0.9778 -13.3 1.467 166.8 0.0371 80.7 0.9936 -6.6 0.300 0.9723 -15.9 1.462 164.9 0.0445 78.3 0.9935 -7.9 0.400 0.9653 -21.0 1.456 158.8 0.0586 74.4 0.9895 -10.4 0.500 0.9518 -26.8 1.451 153.3 0.0725 70.6 0.9832 -13.0 0.600 0.9387 -31.8 1.448 148.6 0.0863 66.7 0.9775 -15.6 0.700 0.9268 -37.3 1.407 143.5 0.0989 63.3 0.9680 -18.1 0.800 0.9102 -42.4 1.406 138.6 0.1107 59.3 0.9599 -20.5 0.900 0.8904 -47.8 1.394 133.4 0.1228 55.6 0.9491 -22.8 1.000 0.8737 -53.4 1.378 128.8 0.1334 52.1 0.9395 -25.1 1.100 0.8563 -58.4 1.377 124.0 0.1437 48.6 0.9282 -27.5 1.200 0.8351 -64.1 1.345 119.6 0.1529 44.9 0.9178 -29.9 1.300 0.8148 -69.5 1.332 115.0 0.1612 41.7 0.9050 -32.0 1.400 0.7924 -74.6 1.311 110.5 0.1688 38.4 0.8926 -34.2 1.500 0.7740 -80.6 1.308 105.9 0.1760 35.4 0.8794 -36.0 1.600 0.7470 -85.3 1.276 101.5 0.1831 32.7 0.8698 -37.9 1.700 0.7295 -91.9 1.266 97.1 0.1882 29.6 0.8548 -39.9 1.800 0.7020 -98.1 1.260 92.0 0.1937 27.0 0.8440 -41.6 1.900 0.6846 -104.1 1.245 88.2 0.1980 23.7 0.8307 -43.6 2.000 0.6614 -109.8 1.220 83.7 0.2029 21.3 0.8213 -45.1 2.200 0.6274 -121.5 1.167 75.4 0.2086 15.8 0.7988 -48.8 2.400 0.5946 -134.5 1.137 67.7 0.2118 10.5 0.7770 -52.3 2.600 0.5730 -147.0 1.083 60.3 0.2127 6.3 0.7540 -55.3 2.800 0.5548 -159.8 1.049 52.3 0.2140 1.5 0.7429 -58.5 3.000 0.5446 -172.3 1.010 45.1 0.2117 -3.1 0.7265 -61.8 3.500 0.5485 159.1 0.899 28.4 0.2055 -12.5 0.7125 -69.9 4.000 0.5794 136.5 0.798 13.7 0.1851 -20.0 0.6931 -79.4 4.500 0.6192 118.7 0.706 1.3 0.1653 -25.8 0.6918 -89.9 5.000 0.6557 105.3 0.617 -9.2 0.1426 -27.5 0.6917 -100.7 5.500 0.6883 94.8 0.549 -18.4 0.1275 -24.0 0.6990 -111.7 6.000 0.7259 86.1 0.484 -25.8 0.1202 -19.2 0.7113 -123.0 ! ! SIEMENS AG Semiconductor Group, Munich