! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 4 V IC = 2 mA ! Common Emitter S-Parameters: August 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9378 -1.1 6.443 178.0 0.0014 91.3 0.9967 -0.5 0.020 0.9335 -2.1 6.448 178.2 0.0030 83.4 0.9999 -1.1 0.050 0.9365 -5.4 6.380 175.0 0.0079 87.1 0.9939 -2.6 0.100 0.9283 -10.8 6.314 171.7 0.0161 82.8 0.9908 -5.1 0.150 0.9218 -15.7 6.278 166.6 0.0238 79.2 0.9856 -7.9 0.200 0.9125 -20.9 6.220 163.1 0.0313 77.5 0.9761 -10.3 0.250 0.9046 -26.1 6.158 158.9 0.0383 73.4 0.9639 -12.8 0.300 0.8819 -31.3 6.053 154.8 0.0452 71.1 0.9538 -15.1 0.400 0.8500 -40.8 5.818 147.9 0.0581 65.1 0.9233 -19.5 0.500 0.8130 -49.7 5.495 140.2 0.0689 60.1 0.8920 -23.5 0.600 0.7824 -58.7 5.281 133.9 0.0788 55.4 0.8607 -27.0 0.700 0.7488 -67.1 5.021 127.8 0.0865 51.5 0.8276 -30.3 0.800 0.7090 -75.0 4.725 122.0 0.0935 47.4 0.7940 -33.0 0.900 0.6789 -81.9 4.452 116.7 0.0994 44.4 0.7642 -35.4 1.000 0.6473 -89.1 4.217 112.1 0.1038 41.6 0.7398 -37.6 1.100 0.6226 -96.3 4.022 107.6 0.1080 39.0 0.7152 -39.8 1.200 0.5921 -102.7 3.804 103.4 0.1118 36.7 0.6937 -41.8 1.300 0.5779 -108.8 3.612 99.6 0.1150 34.8 0.6744 -43.4 1.400 0.5547 -114.6 3.419 95.8 0.1166 32.9 0.6571 -45.1 1.500 0.5402 -120.3 3.286 92.4 0.1187 31.6 0.6392 -46.5 1.600 0.5157 -126.5 3.112 88.6 0.1208 30.3 0.6235 -47.9 1.700 0.5070 -132.3 2.991 85.4 0.1217 29.1 0.6074 -49.2 1.800 0.4971 -137.7 2.864 82.4 0.1239 28.0 0.5995 -50.4 1.900 0.4899 -142.9 2.759 79.2 0.1251 27.1 0.5900 -52.0 2.000 0.4766 -147.8 2.632 76.2 0.1267 26.5 0.5780 -53.2 2.200 0.4671 -157.2 2.438 70.5 0.1288 24.9 0.5629 -55.6 2.400 0.4578 -166.3 2.280 65.1 0.1309 23.7 0.5469 -58.6 2.600 0.4549 -175.9 2.125 60.1 0.1316 22.9 0.5348 -60.8 2.800 0.4523 176.6 1.997 55.4 0.1334 22.2 0.5223 -63.6 3.000 0.4620 169.1 1.883 50.7 0.1350 22.2 0.5173 -66.1 3.500 0.4815 151.9 1.634 39.8 0.1422 21.2 0.5048 -74.1 4.000 0.5120 138.8 1.442 29.7 0.1467 20.3 0.4925 -83.2 4.500 0.5429 128.4 1.287 20.5 0.1529 19.3 0.4931 -92.3 5.000 0.5696 119.4 1.157 11.7 0.1595 19.3 0.5046 -102.5 5.500 0.5920 112.5 1.033 4.3 0.1669 18.8 0.5086 -111.9 6.000 0.6052 106.5 0.936 -2.8 0.1764 18.5 0.5296 -119.9 ! ! 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