! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 0.75 V IC = 10 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 0.6809 -6.4 17.834 175.0 0.0025 87.7 0.9023 -2.2 0.020 0.6777 -13.1 17.762 171.9 0.0054 79.7 0.9068 -4.7 0.050 0.6593 -31.5 16.752 160.5 0.0132 74.1 0.8694 -11.0 0.100 0.6284 -58.5 14.795 145.7 0.0239 63.3 0.7951 -19.5 0.150 0.5992 -80.0 12.681 132.9 0.0309 53.7 0.7129 -25.2 0.200 0.5836 -97.3 10.966 124.2 0.0359 48.2 0.6449 -28.3 0.250 0.5659 -111.3 9.473 116.7 0.0392 43.7 0.5871 -30.1 0.300 0.5537 -121.6 8.254 111.2 0.0417 41.6 0.5481 -31.3 0.400 0.5446 -137.5 6.568 102.8 0.0453 38.8 0.4889 -31.7 0.500 0.5437 -148.1 5.381 96.0 0.0479 37.7 0.4555 -31.7 0.600 0.5423 -156.8 4.569 90.6 0.0509 38.2 0.4351 -32.1 0.700 0.5376 -163.5 3.973 85.9 0.0533 39.2 0.4209 -32.8 0.800 0.5363 -168.9 3.490 81.9 0.0558 39.4 0.4099 -33.4 0.900 0.5332 -173.5 3.115 78.3 0.0582 40.6 0.4035 -34.1 1.000 0.5359 -177.9 2.829 74.8 0.0609 41.3 0.3998 -35.3 1.100 0.5410 177.9 2.589 71.5 0.0637 42.2 0.3951 -36.9 1.200 0.5436 174.3 2.388 68.4 0.0669 43.2 0.3907 -38.3 1.300 0.5411 171.0 2.204 65.5 0.0700 43.7 0.3903 -39.7 1.400 0.5473 168.2 2.046 62.9 0.0726 44.1 0.3895 -41.5 1.500 0.5477 165.3 1.926 60.0 0.0758 44.9 0.3887 -43.2 1.600 0.5507 162.5 1.799 56.9 0.0790 45.2 0.3859 -45.0 1.700 0.5525 159.6 1.701 54.3 0.0816 45.8 0.3844 -46.5 1.800 0.5590 157.1 1.613 52.0 0.0851 46.0 0.3874 -48.4 1.900 0.5623 154.7 1.538 49.4 0.0886 46.3 0.3876 -50.6 2.000 0.5612 152.1 1.453 46.9 0.0919 46.2 0.3853 -52.7 2.200 0.5689 147.7 1.324 41.8 0.0987 46.4 0.3875 -56.4 2.400 0.5739 142.8 1.225 37.0 0.1056 46.2 0.3840 -60.9 2.600 0.5856 138.2 1.125 32.6 0.1116 45.8 0.3872 -64.6 2.800 0.5892 134.4 1.048 28.4 0.1184 45.7 0.3849 -69.5 3.000 0.6023 130.5 0.974 24.2 0.1259 45.1 0.3888 -73.6 3.500 0.6311 121.5 0.828 14.4 0.1441 43.0 0.3933 -86.5 4.000 0.6565 113.8 0.714 5.8 0.1607 40.4 0.3965 -99.6 4.500 0.6760 107.1 0.623 -1.6 0.1777 37.1 0.4108 -112.1 5.000 0.6948 101.5 0.546 -8.3 0.1934 34.1 0.4388 -124.7 5.500 0.7076 96.6 0.472 -13.0 0.2081 30.5 0.4577 -135.7 6.000 0.7069 91.6 0.414 -16.4 0.2239 27.6 0.4867 -144.3 ! ! SIEMENS AG Semiconductor Group, Munich