! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 4 V IC = 8 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 0.7931 -2.4 18.494 177.9 0.0013 82.8 0.9848 -0.8 0.020 0.7962 -4.7 18.562 176.6 0.0025 86.1 0.9785 -1.8 0.050 0.7896 -11.9 18.342 171.1 0.0063 88.4 0.9778 -4.9 0.100 0.7652 -23.5 17.724 162.8 0.0124 76.2 0.9612 -9.6 0.150 0.7378 -34.7 17.125 154.5 0.0178 73.0 0.9282 -13.8 0.200 0.7040 -45.1 16.333 147.2 0.0231 68.1 0.8939 -17.5 0.250 0.6714 -54.9 15.328 140.4 0.0268 64.0 0.8565 -20.6 0.300 0.6316 -64.0 14.429 134.7 0.0305 61.2 0.8175 -23.1 0.400 0.5654 -80.0 12.600 124.0 0.0360 55.5 0.7492 -26.8 0.500 0.5077 -94.9 10.952 115.6 0.0403 52.1 0.6935 -29.1 0.600 0.4640 -107.3 9.729 108.8 0.0442 49.9 0.6484 -30.7 0.700 0.4305 -118.5 8.588 102.9 0.0474 48.5 0.6145 -31.7 0.800 0.4037 -128.8 7.778 97.7 0.0499 47.7 0.5887 -32.5 0.900 0.3896 -137.7 7.045 93.5 0.0530 47.0 0.5682 -33.2 1.000 0.3755 -147.3 6.405 89.3 0.0559 46.5 0.5520 -34.0 1.100 0.3682 -155.8 5.915 85.3 0.0587 46.3 0.5382 -34.6 1.200 0.3603 -163.4 5.448 82.1 0.0613 45.8 0.5277 -35.5 1.300 0.3570 -169.9 5.051 78.8 0.0641 45.8 0.5183 -36.2 1.400 0.3557 -177.1 4.732 75.7 0.0668 46.0 0.5104 -37.2 1.500 0.3598 176.8 4.436 72.5 0.0697 45.7 0.5037 -38.0 1.600 0.3583 171.2 4.170 69.8 0.0727 45.5 0.4980 -39.0 1.700 0.3616 165.8 3.925 66.9 0.0757 45.3 0.4921 -40.2 1.800 0.3683 160.3 3.721 64.2 0.0782 45.1 0.4868 -41.3 1.900 0.3711 155.8 3.532 61.6 0.0814 44.6 0.4824 -42.4 2.000 0.3803 150.8 3.345 59.1 0.0843 44.3 0.4785 -43.7 2.200 0.3957 143.0 3.053 54.0 0.0901 43.6 0.4694 -46.4 2.400 0.4130 135.0 2.805 49.4 0.0958 42.5 0.4612 -49.2 2.600 0.4351 128.2 2.585 44.8 0.1012 41.5 0.4511 -52.2 2.800 0.4531 122.6 2.397 40.0 0.1068 40.1 0.4446 -55.4 3.000 0.4733 116.6 2.240 35.7 0.1122 39.2 0.4349 -58.6 3.500 0.5246 104.8 1.902 25.2 0.1259 36.0 0.4188 -67.7 4.000 0.5717 95.4 1.654 15.5 0.1391 32.3 0.4031 -77.8 4.500 0.6082 87.6 1.443 6.1 0.1511 28.6 0.3912 -88.9 5.000 0.6437 80.8 1.280 -2.1 0.1625 25.3 0.3841 -99.9 5.500 0.6718 75.6 1.149 -10.5 0.1764 21.8 0.3905 -111.4 6.000 0.7016 70.3 1.037 -18.3 0.1884 17.9 0.4028 -122.8 ! ! SIEMENS AG Semiconductor Group, Munich