! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 3.5 V IC = 18 mA ! Common Emitter S-Parameters: October 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.4099 -8.8 41.514 176.9 0.0023 45.1 0.9191 -3.8 0.020 0.4079 -17.0 41.139 172.4 0.0039 60.7 0.9152 -7.6 0.050 0.4308 -39.0 39.087 163.5 0.0094 67.6 0.8946 -19.1 0.100 0.4827 -71.0 35.948 149.8 0.0178 60.4 0.8299 -37.0 0.150 0.5281 -94.0 31.641 137.5 0.0237 53.3 0.7480 -52.0 0.200 0.5815 -110.0 27.948 128.6 0.0279 48.1 0.6765 -64.2 0.250 0.6059 -122.3 24.326 120.8 0.0302 43.2 0.6077 -74.8 0.300 0.6274 -131.4 21.497 115.0 0.0325 40.6 0.5604 -83.6 0.400 0.6576 -144.3 17.231 106.5 0.0350 37.3 0.4833 -97.5 0.500 0.6724 -152.9 14.056 99.7 0.0371 35.4 0.4359 -108.5 0.600 0.6835 -159.4 11.908 94.4 0.0395 35.3 0.4067 -117.0 0.700 0.6918 -164.5 10.309 89.7 0.0406 35.6 0.3909 -124.5 0.800 0.6955 -168.3 8.992 86.1 0.0424 35.4 0.3772 -130.7 0.900 0.6969 -171.6 7.966 82.9 0.0444 36.4 0.3668 -135.7 1.000 0.7034 -174.9 7.170 80.0 0.0456 37.3 0.3647 -140.0 1.100 0.7100 -178.0 6.519 77.0 0.0477 38.6 0.3644 -144.2 1.200 0.7128 179.7 5.928 74.6 0.0494 39.3 0.3620 -147.9 1.300 0.7175 177.8 5.448 72.3 0.0516 39.8 0.3601 -151.1 1.400 0.7192 175.8 5.012 70.3 0.0531 40.8 0.3623 -153.9 1.500 0.7219 174.2 4.707 68.3 0.0554 41.3 0.3645 -156.9 1.600 0.7205 172.0 4.353 66.0 0.0578 41.7 0.3653 -159.5 1.700 0.7249 170.4 4.089 64.0 0.0599 42.4 0.3655 -162.0 1.800 0.7235 168.5 3.846 62.5 0.0620 42.5 0.3671 -163.9 1.900 0.7285 167.0 3.643 60.5 0.0647 42.6 0.3714 -166.0 2.000 0.7300 165.5 3.439 58.8 0.0669 42.8 0.3723 -168.2 2.200 0.7333 162.7 3.107 55.4 0.0718 43.1 0.3753 -171.5 2.400 0.7309 159.6 2.857 51.8 0.0771 43.1 0.3800 -175.2 2.600 0.7325 156.9 2.628 48.7 0.0823 43.0 0.3820 -178.0 2.800 0.7345 154.2 2.446 45.7 0.0873 42.3 0.3854 178.8 3.000 0.7351 151.5 2.284 42.6 0.0934 41.9 0.3877 176.6 3.500 0.7385 144.7 1.965 35.0 0.1079 39.6 0.3965 169.7 4.000 0.7437 137.9 1.742 27.1 0.1230 36.3 0.4044 162.7 4.500 0.7494 131.0 1.568 19.4 0.1376 32.0 0.4128 156.4 5.000 0.7586 124.5 1.427 11.7 0.1519 27.4 0.4309 149.4 5.500 0.7628 116.9 1.293 4.4 0.1660 22.6 0.4415 142.1 6.000 0.7739 110.2 1.196 -3.0 0.1793 17.8 0.4619 135.5 ! ! SIEMENS AG Semiconductor Group, Munich