! SIEMENS Small Signal Semiconductors ! BFP280 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 4 V IC = 0.25 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 0.9892 -0.5 0.941 180.0 0.0011 81.1 0.9999 -0.1 0.020 0.9904 -0.7 0.952 180.0 0.0024 90.6 0.9943 -0.4 0.050 0.9924 -2.0 0.952 177.8 0.0061 93.6 0.9977 -1.1 0.100 0.9875 -4.3 0.940 175.4 0.0122 86.9 0.9996 -2.1 0.150 0.9871 -6.2 0.949 173.0 0.0181 85.4 0.9981 -3.2 0.200 0.9866 -8.3 0.952 170.6 0.0246 84.3 0.9976 -4.2 0.250 0.9846 -10.3 0.952 168.3 0.0303 82.5 0.9969 -5.3 0.300 0.9819 -12.2 0.959 166.7 0.0363 80.6 0.9959 -6.3 0.400 0.9772 -16.3 0.951 161.1 0.0483 77.5 0.9937 -8.4 0.500 0.9668 -20.6 0.941 156.2 0.0596 74.4 0.9901 -10.4 0.600 0.9556 -24.8 0.953 152.0 0.0716 70.6 0.9865 -12.5 0.700 0.9482 -28.8 0.940 147.3 0.0823 67.8 0.9832 -14.7 0.800 0.9397 -32.9 0.943 143.1 0.0931 64.8 0.9802 -16.6 0.900 0.9275 -37.2 0.930 138.6 0.1039 61.5 0.9725 -18.6 1.000 0.9142 -41.4 0.922 134.2 0.1133 58.7 0.9670 -20.6 1.100 0.9001 -45.7 0.933 129.9 0.1235 55.5 0.9607 -22.6 1.200 0.8837 -49.8 0.922 125.8 0.1330 52.5 0.9561 -24.6 1.300 0.8662 -54.3 0.920 121.6 0.1416 49.5 0.9480 -26.5 1.400 0.8475 -58.4 0.920 117.7 0.1498 46.7 0.9400 -28.5 1.500 0.8282 -63.4 0.931 113.3 0.1575 44.0 0.9310 -30.2 1.600 0.8044 -67.4 0.925 109.0 0.1655 41.5 0.9247 -32.0 1.700 0.7910 -72.5 0.914 104.9 0.1724 38.5 0.9143 -33.8 1.800 0.7651 -77.2 0.914 99.9 0.1794 36.0 0.9068 -35.4 1.900 0.7483 -82.3 0.919 96.3 0.1858 33.1 0.8989 -37.3 2.000 0.7230 -86.9 0.912 91.9 0.1923 30.7 0.8914 -38.8 2.200 0.6831 -96.9 0.890 83.4 0.2022 25.4 0.8736 -42.4 2.400 0.6419 -107.7 0.886 76.0 0.2110 20.1 0.8566 -45.8 2.600 0.6053 -119.1 0.864 68.7 0.2162 15.5 0.8347 -49.0 2.800 0.5686 -130.7 0.849 60.4 0.2230 10.5 0.8257 -52.1 3.000 0.5395 -142.9 0.834 53.0 0.2251 5.4 0.8083 -55.4 3.500 0.4969 -174.1 0.776 35.0 0.2300 -5.9 0.7928 -63.3 4.000 0.5064 158.0 0.711 19.3 0.2190 -16.1 0.7687 -72.3 4.500 0.5364 135.1 0.639 5.0 0.2041 -25.4 0.7611 -81.8 5.000 0.5717 118.3 0.567 -6.1 0.1797 -31.6 0.7570 -91.4 5.500 0.6162 105.3 0.517 -16.7 0.1633 -34.6 0.7615 -101.7 6.000 0.6582 94.6 0.460 -25.3 0.1478 -36.9 0.7716 -112.2 ! ! SIEMENS AG Semiconductor Group, Munich