! SIEMENS Small Signal Semiconductors ! BFP280 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 0.5 V IC = 3 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 0.8756 -2.0 8.480 178.8 0.0019 87.4 0.9794 -0.7 0.020 0.8785 -3.5 8.540 177.9 0.0040 86.2 0.9762 -1.5 0.050 0.8771 -8.1 8.506 173.5 0.0099 88.9 0.9754 -4.0 0.100 0.8579 -16.5 8.303 167.0 0.0190 78.8 0.9678 -7.9 0.150 0.8439 -24.6 8.213 160.3 0.0282 74.7 0.9484 -11.6 0.200 0.8174 -32.4 7.994 154.3 0.0364 70.6 0.9289 -15.1 0.250 0.7924 -39.9 7.680 148.4 0.0432 66.7 0.9030 -18.2 0.300 0.7612 -47.2 7.447 143.3 0.0503 62.6 0.8757 -21.2 0.400 0.6982 -60.4 6.816 132.9 0.0616 56.1 0.8187 -26.1 0.500 0.6322 -72.9 6.167 124.1 0.0710 50.8 0.7676 -29.7 0.600 0.5796 -84.4 5.647 116.5 0.0777 46.2 0.7208 -32.7 0.700 0.5335 -94.3 5.099 109.8 0.0827 42.9 0.6785 -35.1 0.800 0.4894 -104.7 4.697 103.8 0.0872 40.0 0.6453 -36.8 0.900 0.4609 -113.3 4.329 98.8 0.0918 37.7 0.6160 -38.3 1.000 0.4341 -122.1 3.979 93.8 0.0948 35.6 0.5930 -39.7 1.100 0.4109 -131.1 3.710 89.2 0.0986 34.1 0.5726 -41.0 1.200 0.3937 -138.8 3.450 85.3 0.1014 32.3 0.5557 -42.2 1.300 0.3803 -146.9 3.214 81.2 0.1039 31.3 0.5409 -43.3 1.400 0.3625 -154.8 3.024 77.5 0.1066 30.4 0.5274 -44.5 1.500 0.3607 -162.3 2.852 73.6 0.1086 29.5 0.5148 -45.2 1.600 0.3599 -168.9 2.693 70.2 0.1111 29.0 0.5062 -46.3 1.700 0.3545 -175.9 2.553 67.0 0.1133 28.2 0.4962 -47.5 1.800 0.3558 177.7 2.426 63.8 0.1161 27.7 0.4902 -48.8 1.900 0.3584 171.9 2.312 60.7 0.1185 26.3 0.4813 -50.0 2.000 0.3605 165.8 2.194 57.8 0.1210 26.0 0.4760 -51.3 2.200 0.3715 155.7 2.010 51.8 0.1255 24.5 0.4613 -54.1 2.400 0.3878 145.5 1.860 46.4 0.1306 23.0 0.4509 -57.1 2.600 0.4079 137.4 1.717 41.2 0.1339 22.0 0.4378 -59.9 2.800 0.4236 130.0 1.600 35.8 0.1390 20.4 0.4315 -63.3 3.000 0.4467 122.8 1.502 30.9 0.1429 18.9 0.4188 -66.7 3.500 0.4985 108.9 1.285 19.1 0.1539 15.5 0.4041 -76.4 4.000 0.5467 98.4 1.118 8.4 0.1633 11.2 0.3891 -87.1 4.500 0.5887 89.4 0.982 -1.7 0.1702 6.8 0.3804 -98.8 5.000 0.6171 82.7 0.874 -10.1 0.1744 4.6 0.3790 -109.7 5.500 0.6492 76.9 0.785 -19.0 0.1842 0.7 0.3918 -121.7 6.000 0.6810 71.4 0.707 -26.8 0.1895 -3.1 0.4084 -132.9 ! ! SIEMENS AG Semiconductor Group, Munich