! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 3 V IC = 6 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 0.7516 -4.0 18.872 178.6 0.0023 81.8 0.9867 -2.2 0.020 0.7459 -7.8 18.756 175.1 0.0051 83.8 0.9780 -4.3 0.050 0.7481 -19.0 18.216 168.6 0.0127 77.4 0.9742 -10.8 0.100 0.7491 -37.5 17.648 159.1 0.0250 70.5 0.9412 -21.3 0.150 0.7398 -54.0 16.577 148.7 0.0347 62.0 0.8909 -31.0 0.200 0.7394 -68.7 15.505 140.8 0.0427 55.4 0.8402 -39.3 0.250 0.7340 -82.0 14.247 132.8 0.0496 48.8 0.7789 -46.9 0.300 0.7293 -93.0 13.111 126.5 0.0546 44.1 0.7297 -53.6 0.400 0.7273 -110.5 11.092 116.5 0.0613 36.2 0.6350 -64.4 0.500 0.7202 -123.1 9.334 107.9 0.0654 30.1 0.5646 -73.0 0.600 0.7264 -133.4 8.118 101.2 0.0676 26.4 0.5123 -80.2 0.700 0.7301 -141.5 7.128 95.3 0.0688 23.0 0.4746 -86.8 0.800 0.7366 -147.8 6.265 90.7 0.0701 20.6 0.4430 -92.5 0.900 0.7303 -152.7 5.574 86.5 0.0708 19.1 0.4206 -97.2 1.000 0.7319 -157.5 5.037 82.7 0.0703 17.9 0.4062 -101.7 1.100 0.7408 -162.5 4.596 79.1 0.0708 16.8 0.3949 -106.3 1.200 0.7421 -165.8 4.192 76.0 0.0707 16.4 0.3851 -110.3 1.300 0.7472 -168.7 3.861 73.2 0.0708 15.7 0.3761 -113.9 1.400 0.7476 -171.6 3.549 70.7 0.0705 15.5 0.3736 -117.4 1.500 0.7528 -173.8 3.339 68.3 0.0702 15.5 0.3698 -121.2 1.600 0.7538 -176.8 3.088 65.5 0.0705 15.6 0.3653 -124.5 1.700 0.7587 -179.1 2.905 63.2 0.0702 16.2 0.3629 -127.5 1.800 0.7535 178.5 2.728 61.2 0.0706 16.4 0.3623 -129.9 1.900 0.7592 176.6 2.585 58.8 0.0710 17.0 0.3660 -132.8 2.000 0.7612 174.5 2.439 56.7 0.0715 17.2 0.3634 -135.5 2.200 0.7655 171.0 2.204 52.7 0.0721 18.9 0.3671 -139.8 2.400 0.7687 167.4 2.020 48.6 0.0731 19.9 0.3710 -144.4 2.600 0.7668 164.2 1.858 45.1 0.0746 21.8 0.3749 -148.2 2.800 0.7711 160.8 1.727 41.6 0.0767 22.9 0.3785 -152.1 3.000 0.7735 157.8 1.614 38.1 0.0793 24.7 0.3849 -155.1 3.500 0.7812 150.0 1.382 29.8 0.0877 27.2 0.3994 -163.6 4.000 0.7888 142.3 1.219 21.3 0.0986 28.6 0.4166 -172.2 4.500 0.7966 135.0 1.094 13.2 0.1111 28.0 0.4355 179.9 5.000 0.8075 127.4 0.992 5.2 0.1255 26.6 0.4621 171.0 5.500 0.8093 119.4 0.897 -2.1 0.1408 23.8 0.4790 162.0 6.000 0.8237 112.3 0.826 -9.2 0.1564 20.3 0.5072 153.7 ! ! SIEMENS AG Semiconductor Group, Munich