! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 3 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 0.7820 -2.6 18.515 178.0 0.0013 85.2 0.9849 -0.8 0.020 0.7837 -5.2 18.562 176.6 0.0026 91.3 0.9778 -1.9 0.050 0.7794 -12.2 18.374 170.8 0.0067 84.4 0.9777 -5.0 0.100 0.7540 -24.8 17.712 162.2 0.0126 77.2 0.9586 -9.8 0.150 0.7239 -36.6 17.080 153.7 0.0180 70.9 0.9243 -14.1 0.200 0.6930 -47.7 16.201 146.2 0.0230 66.6 0.8877 -17.8 0.250 0.6558 -57.4 15.139 139.3 0.0269 63.2 0.8478 -20.9 0.300 0.6202 -67.2 14.227 133.5 0.0308 60.1 0.8086 -23.3 0.400 0.5542 -83.7 12.334 122.7 0.0363 54.5 0.7395 -26.8 0.500 0.5021 -98.1 10.684 114.4 0.0402 51.1 0.6842 -29.0 0.600 0.4621 -111.5 9.467 107.5 0.0442 49.3 0.6413 -30.5 0.700 0.4297 -123.1 8.328 101.7 0.0471 47.8 0.6081 -31.3 0.800 0.4078 -133.2 7.526 96.7 0.0493 46.9 0.5839 -32.0 0.900 0.3930 -141.7 6.820 92.4 0.0530 46.6 0.5647 -32.7 1.000 0.3825 -151.2 6.193 88.2 0.0551 46.2 0.5488 -33.5 1.100 0.3755 -159.6 5.715 84.3 0.0582 46.0 0.5360 -34.1 1.200 0.3708 -166.8 5.262 81.1 0.0609 45.8 0.5263 -35.0 1.300 0.3715 -173.2 4.870 77.8 0.0638 46.0 0.5178 -35.8 1.400 0.3682 -179.9 4.563 74.7 0.0665 45.8 0.5104 -36.7 1.500 0.3730 174.4 4.276 71.5 0.0691 45.8 0.5037 -37.5 1.600 0.3725 168.7 4.019 68.8 0.0721 45.7 0.4991 -38.5 1.700 0.3761 163.2 3.784 66.0 0.0751 45.3 0.4936 -39.8 1.800 0.3838 158.1 3.585 63.1 0.0778 45.2 0.4885 -40.9 1.900 0.3900 153.7 3.404 60.6 0.0807 44.6 0.4844 -42.1 2.000 0.3938 149.2 3.224 58.1 0.0837 44.4 0.4804 -43.3 2.200 0.4115 141.4 2.938 53.0 0.0896 43.8 0.4719 -46.1 2.400 0.4291 133.8 2.699 48.3 0.0953 42.7 0.4641 -49.0 2.600 0.4464 127.5 2.486 43.8 0.1009 41.7 0.4544 -52.0 2.800 0.4659 121.6 2.303 39.0 0.1067 40.5 0.4485 -55.3 3.000 0.4854 115.9 2.154 34.7 0.1119 39.5 0.4392 -58.5 3.500 0.5357 104.3 1.831 24.2 0.1258 36.3 0.4238 -67.8 4.000 0.5842 95.0 1.585 14.3 0.1391 32.7 0.4081 -78.0 4.500 0.6212 87.2 1.386 4.9 0.1511 29.0 0.3974 -89.2 5.000 0.6529 80.7 1.229 -3.3 0.1631 25.8 0.3912 -100.4 5.500 0.6805 75.0 1.100 -11.4 0.1772 22.3 0.3986 -111.9 6.000 0.7099 70.0 0.993 -19.4 0.1892 18.3 0.4109 -123.5 ! ! SIEMENS AG Semiconductor Group, Munich