! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 0.5 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 0.7345 -6.4 16.032 176.4 0.0031 85.9 0.8855 -2.4 0.020 0.7391 -12.1 16.019 173.0 0.0067 80.3 0.8825 -5.1 0.050 0.7223 -29.2 15.462 161.7 0.0163 75.9 0.8534 -12.5 0.100 0.6742 -56.0 13.685 146.0 0.0292 61.7 0.7758 -22.6 0.150 0.6306 -77.7 11.869 133.3 0.0378 52.6 0.6829 -29.3 0.200 0.5966 -95.7 10.240 123.5 0.0432 46.8 0.6089 -33.5 0.250 0.5684 -110.1 8.793 115.8 0.0468 41.9 0.5464 -36.0 0.300 0.5490 -121.2 7.711 110.0 0.0501 39.5 0.4990 -37.3 0.400 0.5272 -138.3 6.111 100.5 0.0539 36.6 0.4378 -38.2 0.500 0.5134 -151.1 4.980 93.4 0.0573 35.0 0.3982 -38.5 0.600 0.5104 -161.1 4.235 87.5 0.0601 34.8 0.3721 -38.7 0.700 0.5089 -169.2 3.644 82.6 0.0625 35.3 0.3552 -39.0 0.800 0.5064 -175.5 3.235 78.2 0.0656 35.7 0.3440 -39.5 0.900 0.5102 178.5 2.898 74.2 0.0692 36.1 0.3373 -40.3 1.000 0.5132 172.7 2.601 70.2 0.0719 36.7 0.3293 -41.3 1.100 0.5152 167.5 2.380 66.4 0.0754 37.1 0.3238 -42.6 1.200 0.5168 163.1 2.180 63.3 0.0788 37.3 0.3185 -44.0 1.300 0.5212 159.4 2.016 59.8 0.0817 37.8 0.3152 -45.6 1.400 0.5250 155.1 1.881 56.7 0.0857 37.8 0.3114 -47.3 1.500 0.5307 151.5 1.761 53.1 0.0888 38.1 0.3099 -48.6 1.600 0.5351 147.4 1.661 50.3 0.0926 38.2 0.3086 -50.5 1.700 0.5424 144.0 1.563 47.0 0.0956 37.9 0.3075 -52.3 1.800 0.5488 140.7 1.473 44.1 0.0993 37.9 0.3062 -54.5 1.900 0.5538 137.6 1.395 41.4 0.1029 37.4 0.3025 -56.4 2.000 0.5594 134.0 1.319 38.5 0.1066 37.4 0.3024 -58.7 2.200 0.5739 128.5 1.209 33.0 0.1138 36.5 0.2962 -63.7 2.400 0.5892 122.8 1.105 27.7 0.1211 35.5 0.2923 -68.6 2.600 0.6038 117.6 1.018 22.7 0.1273 34.4 0.2885 -73.4 2.800 0.6202 112.6 0.940 17.3 0.1343 33.2 0.2882 -79.3 3.000 0.6351 107.8 0.877 13.2 0.1406 32.0 0.2825 -85.1 3.500 0.6690 97.5 0.737 2.4 0.1574 28.6 0.2865 -101.0 4.000 0.7034 89.1 0.632 -6.8 0.1729 24.4 0.2910 -117.6 4.500 0.7271 81.7 0.540 -14.9 0.1861 20.1 0.3060 -133.6 5.000 0.7473 75.7 0.473 -20.6 0.1992 16.6 0.3264 -147.8 5.500 0.7623 70.2 0.418 -26.0 0.2140 12.5 0.3571 -160.5 6.000 0.7818 65.0 0.368 -29.0 0.2263 8.1 0.3887 -171.5 ! ! SIEMENS AG Semiconductor Group, Munich