! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 8 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 0.9442 -1.0 6.437 177.9 0.0012 92.0 0.9952 -0.4 0.020 0.9442 -1.9 6.396 178.1 0.0032 93.4 0.9955 -1.1 0.050 0.9423 -5.1 6.338 175.1 0.0080 85.5 0.9934 -2.5 0.100 0.9335 -10.3 6.289 172.0 0.0154 84.1 0.9920 -5.1 0.150 0.9311 -14.7 6.232 167.1 0.0230 80.0 0.9860 -7.6 0.200 0.9229 -19.8 6.212 163.7 0.0302 77.2 0.9768 -10.0 0.250 0.9099 -24.6 6.152 159.7 0.0374 74.3 0.9662 -12.4 0.300 0.8924 -29.6 6.020 155.8 0.0443 72.0 0.9577 -14.8 0.400 0.8650 -38.4 5.840 149.2 0.0568 66.2 0.9288 -19.1 0.500 0.8242 -47.3 5.551 141.4 0.0677 61.4 0.8988 -23.1 0.600 0.7964 -55.8 5.318 135.4 0.0772 57.0 0.8672 -26.6 0.700 0.7611 -63.6 5.063 129.5 0.0855 52.6 0.8364 -29.9 0.800 0.7203 -71.0 4.783 123.7 0.0928 48.7 0.8046 -32.7 0.900 0.6889 -78.3 4.539 118.4 0.0988 45.8 0.7749 -35.2 1.000 0.6558 -85.2 4.321 113.8 0.1033 42.7 0.7498 -37.5 1.100 0.6328 -92.3 4.120 109.4 0.1079 40.5 0.7249 -39.7 1.200 0.6019 -98.6 3.901 105.1 0.1120 37.9 0.7022 -41.9 1.300 0.5829 -104.2 3.705 101.4 0.1152 36.1 0.6824 -43.4 1.400 0.5577 -110.1 3.509 97.6 0.1174 34.0 0.6657 -45.2 1.500 0.5474 -115.5 3.379 94.3 0.1199 32.6 0.6483 -46.7 1.600 0.5220 -121.9 3.201 90.3 0.1222 31.4 0.6316 -48.0 1.700 0.5100 -127.6 3.093 87.2 0.1232 30.1 0.6141 -49.4 1.800 0.4938 -132.8 2.964 84.1 0.1253 29.0 0.6044 -50.6 1.900 0.4861 -138.1 2.857 80.9 0.1264 28.0 0.5943 -52.3 2.000 0.4751 -143.3 2.728 77.9 0.1284 27.2 0.5815 -53.5 2.200 0.4593 -152.6 2.525 72.3 0.1309 25.4 0.5664 -55.9 2.400 0.4485 -162.0 2.365 66.8 0.1327 24.2 0.5483 -58.9 2.600 0.4420 -171.9 2.206 61.7 0.1343 23.3 0.5365 -61.1 2.800 0.4409 -179.9 2.076 57.1 0.1357 22.5 0.5219 -63.9 3.000 0.4433 172.6 1.957 52.3 0.1377 22.0 0.5173 -66.3 3.500 0.4638 154.9 1.701 41.3 0.1446 20.7 0.5027 -74.1 4.000 0.4948 141.1 1.503 31.3 0.1491 19.7 0.4889 -83.0 4.500 0.5257 129.9 1.344 21.9 0.1550 18.7 0.4872 -92.0 5.000 0.5552 120.8 1.210 13.1 0.1608 18.3 0.4989 -102.0 5.500 0.5750 113.6 1.078 5.5 0.1677 17.6 0.5028 -111.2 6.000 0.5906 107.8 0.981 -1.6 0.1763 17.5 0.5222 -119.1 ! ! 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