! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 2.5 V IC = 2 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 0.9307 -1.3 6.454 179.3 0.0013 78.4 0.9966 -0.4 0.020 0.9426 -2.0 6.498 178.8 0.0027 85.6 0.9939 -1.0 0.050 0.9298 -5.2 6.442 175.6 0.0073 89.1 0.9939 -2.4 0.100 0.9214 -10.7 6.367 171.4 0.0138 82.5 0.9927 -4.8 0.150 0.9176 -15.9 6.339 167.0 0.0212 79.8 0.9848 -7.2 0.200 0.9081 -21.1 6.317 162.8 0.0279 77.3 0.9782 -9.4 0.250 0.8953 -26.3 6.236 158.4 0.0339 74.5 0.9673 -11.7 0.300 0.8809 -31.5 6.173 154.9 0.0404 71.1 0.9568 -13.9 0.400 0.8419 -41.1 5.915 146.4 0.0516 65.9 0.9302 -18.0 0.500 0.8016 -50.6 5.630 138.8 0.0617 59.9 0.9003 -21.6 0.600 0.7562 -59.7 5.401 132.0 0.0705 55.3 0.8689 -25.0 0.700 0.7198 -68.6 5.069 125.6 0.0779 51.1 0.8379 -27.8 0.800 0.6740 -77.0 4.833 119.5 0.0837 47.2 0.8084 -30.3 0.900 0.6376 -84.9 4.561 114.1 0.0895 43.9 0.7813 -32.5 1.000 0.6013 -92.7 4.295 108.8 0.0934 40.9 0.7556 -34.6 1.100 0.5686 -101.0 4.108 103.7 0.0979 38.3 0.7335 -36.4 1.200 0.5366 -108.2 3.874 99.3 0.1010 35.7 0.7127 -38.3 1.300 0.5156 -116.0 3.670 94.9 0.1031 33.7 0.6918 -39.8 1.400 0.4863 -123.0 3.491 90.7 0.1055 31.8 0.6745 -41.3 1.500 0.4736 -130.9 3.341 86.6 0.1072 30.4 0.6569 -42.5 1.600 0.4527 -138.0 3.168 82.9 0.1095 28.9 0.6450 -43.7 1.700 0.4428 -145.0 3.026 79.3 0.1114 27.5 0.6305 -45.2 1.800 0.4304 -152.6 2.895 75.6 0.1126 26.5 0.6193 -46.3 1.900 0.4218 -159.0 2.777 72.3 0.1141 25.1 0.6080 -47.7 2.000 0.4162 -166.5 2.657 68.9 0.1157 24.2 0.5986 -48.8 2.200 0.4114 -178.7 2.440 62.6 0.1176 22.6 0.5800 -51.5 2.400 0.4123 168.5 2.273 56.7 0.1196 20.9 0.5650 -54.2 2.600 0.4265 158.2 2.103 51.2 0.1209 20.1 0.5476 -56.8 2.800 0.4389 148.3 1.969 45.2 0.1232 18.8 0.5388 -59.7 3.000 0.4552 139.0 1.849 40.0 0.1246 18.0 0.5245 -62.5 3.500 0.5034 120.5 1.580 27.6 0.1306 16.2 0.5084 -70.6 4.000 0.5525 107.2 1.376 16.4 0.1357 14.6 0.4929 -80.0 4.500 0.5983 96.5 1.202 5.9 0.1409 12.8 0.4850 -90.3 5.000 0.6318 87.9 1.064 -3.1 0.1471 12.2 0.4801 -100.9 5.500 0.6638 81.1 0.953 -11.9 0.1574 11.5 0.4855 -111.7 6.000 0.6971 74.9 0.855 -20.0 0.1679 9.4 0.4989 -122.9 ! ! f Fmin Gammaopt rn/50 ! GHz dB MAG ANG - 0.450 1.35 0.60 17 0.40 0.900 1.45 0.50 36 0.40 1.800 1.80 0.31 80 0.37 ! ! SIEMENS AG Semiconductor Group, Munich