! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 2 V IC = 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 0.8727 -1.8 11.465 178.8 0.0013 80.7 0.9918 -0.6 0.020 0.8803 -3.6 11.452 177.8 0.0026 83.4 0.9877 -1.4 0.050 0.8743 -8.4 11.474 173.5 0.0074 89.3 0.9888 -3.6 0.100 0.8545 -16.5 11.225 167.4 0.0138 79.3 0.9800 -7.2 0.150 0.8427 -24.5 11.047 161.1 0.0206 76.3 0.9627 -10.4 0.200 0.8180 -32.5 10.838 155.1 0.0267 72.1 0.9443 -13.7 0.250 0.7946 -40.0 10.385 149.4 0.0320 68.1 0.9208 -16.7 0.300 0.7690 -47.3 10.053 144.7 0.0377 64.8 0.8959 -19.2 0.400 0.7052 -61.0 9.289 134.2 0.0459 59.0 0.8437 -23.7 0.500 0.6445 -73.9 8.422 125.6 0.0530 53.1 0.7923 -27.3 0.600 0.5983 -84.8 7.692 118.5 0.0583 49.5 0.7472 -30.0 0.700 0.5535 -95.5 6.965 112.1 0.0626 46.4 0.7097 -32.0 0.800 0.5154 -105.5 6.436 106.2 0.0664 43.7 0.6774 -33.7 0.900 0.4815 -115.0 5.930 101.0 0.0698 41.8 0.6486 -35.0 1.000 0.4570 -124.1 5.450 96.2 0.0719 40.3 0.6251 -36.2 1.100 0.4343 -132.7 5.090 91.7 0.0748 39.1 0.6053 -37.4 1.200 0.4180 -140.6 4.717 88.0 0.0772 38.0 0.5892 -38.5 1.300 0.4093 -147.9 4.398 84.3 0.0793 37.0 0.5749 -39.5 1.400 0.3951 -155.7 4.140 80.7 0.0817 36.6 0.5636 -40.5 1.500 0.3942 -163.0 3.907 77.0 0.0837 35.9 0.5524 -41.5 1.600 0.3850 -169.7 3.681 73.9 0.0862 35.4 0.5438 -42.5 1.700 0.3855 -177.1 3.484 70.6 0.0881 35.2 0.5347 -43.7 1.800 0.3878 176.4 3.308 67.4 0.0897 34.9 0.5259 -44.7 1.900 0.3914 171.2 3.153 64.7 0.0920 34.2 0.5193 -45.9 2.000 0.3898 165.6 2.991 61.8 0.0943 34.0 0.5130 -47.0 2.200 0.4025 155.2 2.734 56.1 0.0986 33.3 0.5016 -49.6 2.400 0.4148 146.1 2.522 51.1 0.1030 32.6 0.4909 -52.3 2.600 0.4372 137.6 2.326 46.1 0.1075 32.0 0.4794 -55.2 2.800 0.4569 130.7 2.160 40.9 0.1117 31.1 0.4713 -58.3 3.000 0.4750 123.6 2.023 36.2 0.1160 30.2 0.4612 -61.3 3.500 0.5261 109.8 1.719 25.1 0.1278 28.1 0.4455 -70.2 4.000 0.5731 99.1 1.493 14.7 0.1384 25.4 0.4306 -80.1 4.500 0.6114 90.0 1.306 4.9 0.1489 22.7 0.4203 -91.0 5.000 0.6467 83.0 1.158 -3.6 0.1590 20.3 0.4152 -102.0 5.500 0.6716 77.2 1.037 -11.9 0.1721 17.6 0.4227 -113.4 6.000 0.7034 71.6 0.935 -19.9 0.1839 14.2 0.4352 -124.7 ! ! SIEMENS AG Semiconductor Group, Munich