! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 10 V IC = 2.5 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 0.9379 -1.2 7.684 178.7 0.0012 83.0 0.9940 -0.4 0.020 0.9484 -2.3 7.691 178.4 0.0024 88.9 0.9911 -0.9 0.050 0.9411 -4.9 7.602 175.4 0.0066 87.4 0.9901 -2.5 0.100 0.9272 -10.3 7.512 171.3 0.0128 83.5 0.9881 -4.9 0.150 0.9192 -15.7 7.463 166.8 0.0195 79.7 0.9817 -7.3 0.200 0.9127 -20.8 7.430 162.5 0.0256 77.5 0.9738 -9.7 0.250 0.8992 -25.8 7.341 158.2 0.0314 74.9 0.9623 -12.0 0.300 0.8794 -31.0 7.251 154.7 0.0369 71.1 0.9498 -14.3 0.400 0.8417 -40.1 6.935 146.2 0.0475 66.5 0.9233 -18.3 0.500 0.7975 -49.8 6.594 138.6 0.0564 60.9 0.8913 -22.0 0.600 0.7479 -58.3 6.307 131.8 0.0643 56.5 0.8576 -25.5 0.700 0.7078 -66.6 5.900 125.5 0.0708 52.7 0.8244 -28.3 0.800 0.6589 -74.5 5.604 119.5 0.0767 49.3 0.7948 -30.7 0.900 0.6212 -82.2 5.288 114.2 0.0821 45.9 0.7684 -32.9 1.000 0.5804 -89.7 4.976 109.0 0.0861 43.3 0.7417 -34.9 1.100 0.5446 -97.5 4.748 104.0 0.0895 41.0 0.7171 -36.6 1.200 0.5100 -104.5 4.468 99.7 0.0927 38.5 0.6964 -38.4 1.300 0.4852 -112.0 4.226 95.6 0.0954 36.8 0.6762 -39.9 1.400 0.4558 -119.4 4.020 91.6 0.0979 35.1 0.6587 -41.3 1.500 0.4393 -126.6 3.840 87.6 0.1004 33.9 0.6416 -42.5 1.600 0.4167 -133.0 3.637 84.1 0.1024 32.7 0.6291 -43.6 1.700 0.3994 -140.5 3.468 80.6 0.1046 31.4 0.6160 -45.1 1.800 0.3856 -148.0 3.320 76.9 0.1063 30.5 0.6036 -46.2 1.900 0.3783 -155.4 3.188 73.7 0.1086 29.2 0.5921 -47.5 2.000 0.3685 -162.1 3.043 70.6 0.1101 28.7 0.5817 -48.6 2.200 0.3620 -175.2 2.797 64.4 0.1135 26.9 0.5642 -51.3 2.400 0.3640 171.8 2.604 58.7 0.1165 25.5 0.5472 -53.8 2.600 0.3745 160.7 2.410 53.4 0.1192 24.3 0.5305 -56.4 2.800 0.3874 149.8 2.254 47.7 0.1224 23.1 0.5188 -59.1 3.000 0.4036 140.9 2.115 42.6 0.1251 22.0 0.5056 -61.9 3.500 0.4552 121.8 1.812 30.5 0.1330 19.5 0.4858 -69.7 4.000 0.5082 108.0 1.580 19.4 0.1398 17.1 0.4663 -78.5 4.500 0.5529 97.2 1.386 9.1 0.1459 14.7 0.4548 -88.5 5.000 0.5937 88.9 1.226 0.2 0.1519 13.1 0.4474 -98.5 5.500 0.6256 82.1 1.099 -8.9 0.1621 11.5 0.4512 -109.0 6.000 0.6636 75.9 0.994 -17.0 0.1713 9.1 0.4616 -119.7 ! ! SIEMENS AG Semiconductor Group, Munich