! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 3.5 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 0.9049 -1.3 9.098 179.0 0.0010 93.5 0.9946 -0.5 0.020 0.9103 -2.8 9.042 178.3 0.0028 80.8 0.9929 -1.1 0.050 0.9073 -6.3 9.053 174.7 0.0069 89.8 0.9919 -2.9 0.100 0.8941 -13.2 8.954 169.7 0.0137 82.4 0.9868 -5.8 0.150 0.8858 -19.5 8.840 164.5 0.0199 78.5 0.9768 -8.6 0.200 0.8695 -26.0 8.781 159.4 0.0265 74.7 0.9642 -11.3 0.250 0.8535 -32.1 8.566 154.5 0.0318 72.0 0.9488 -13.9 0.300 0.8320 -38.0 8.344 150.5 0.0376 68.5 0.9318 -16.3 0.400 0.7847 -49.4 7.904 140.9 0.0474 62.2 0.8944 -20.7 0.500 0.7255 -60.4 7.381 132.7 0.0554 56.8 0.8529 -24.4 0.600 0.6779 -70.5 6.916 125.6 0.0624 52.8 0.8126 -27.6 0.700 0.6321 -79.8 6.352 119.3 0.0674 48.8 0.7765 -30.1 0.800 0.5865 -88.8 5.964 113.2 0.0722 46.0 0.7448 -32.2 0.900 0.5488 -97.7 5.572 107.8 0.0768 43.2 0.7160 -34.0 1.000 0.5164 -106.3 5.184 102.7 0.0793 40.8 0.6893 -35.7 1.100 0.4850 -114.7 4.886 97.9 0.0828 38.8 0.6664 -37.2 1.200 0.4588 -122.5 4.566 93.8 0.0854 37.0 0.6475 -38.6 1.300 0.4430 -130.3 4.288 89.8 0.0870 35.8 0.6298 -39.8 1.400 0.4190 -138.1 4.049 86.1 0.0892 34.5 0.6148 -41.0 1.500 0.4145 -145.3 3.839 82.2 0.0913 33.8 0.6007 -42.0 1.600 0.3991 -152.2 3.628 78.9 0.0935 32.7 0.5903 -43.1 1.700 0.3902 -160.1 3.449 75.4 0.0956 32.1 0.5795 -44.4 1.800 0.3869 -167.3 3.291 71.9 0.0972 31.4 0.5688 -45.4 1.900 0.3850 -174.0 3.141 68.9 0.0991 30.4 0.5590 -46.7 2.000 0.3839 179.4 2.989 65.9 0.1006 30.1 0.5512 -47.7 2.200 0.3867 168.4 2.738 60.0 0.1043 29.1 0.5372 -50.3 2.400 0.3960 156.8 2.535 54.5 0.1074 28.2 0.5239 -52.9 2.600 0.4141 147.4 2.338 49.5 0.1108 27.4 0.5101 -55.7 2.800 0.4280 138.8 2.182 44.0 0.1141 26.7 0.5006 -58.5 3.000 0.4483 131.0 2.044 39.2 0.1175 25.8 0.4898 -61.4 3.500 0.5019 114.8 1.741 27.5 0.1269 24.0 0.4727 -69.7 4.000 0.5519 103.1 1.516 17.0 0.1360 21.6 0.4566 -79.1 4.500 0.5916 93.0 1.326 6.9 0.1442 19.4 0.4457 -89.6 5.000 0.6286 85.5 1.175 -1.8 0.1528 17.6 0.4402 -100.2 5.500 0.6577 79.2 1.052 -10.5 0.1648 15.6 0.4461 -111.1 6.000 0.6905 73.3 0.951 -18.6 0.1759 12.8 0.4573 -122.2 ! ! f Fmin Gammaopt rn/50 ! GHz dB MAG ANG - 0.450 1.40 0.56 17 0.36 0.900 1.50 0.45 35 0.34 1.800 1.85 0.25 82 0.36 ! ! SIEMENS AG Semiconductor Group, Munich