! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 0.5 V IC = 35 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 0.1637 -39.8 55.961 174.0 0.0029 88.6 0.8695 -9.8 0.020 0.2110 -65.5 54.834 166.6 0.0057 78.6 0.8617 -19.7 0.050 0.3876 -101.0 48.519 150.6 0.0131 63.9 0.8197 -47.4 0.100 0.5804 -130.0 37.811 130.7 0.0207 49.6 0.7360 -82.8 0.150 0.6629 -144.5 29.023 118.5 0.0242 41.3 0.6749 -105.7 0.200 0.7091 -153.6 23.365 110.5 0.0263 38.8 0.6403 -120.8 0.250 0.7338 -159.9 19.110 104.8 0.0278 36.6 0.6181 -132.2 0.300 0.7474 -164.1 16.249 100.8 0.0290 37.0 0.6092 -140.0 0.400 0.7670 -170.2 12.403 95.1 0.0313 37.3 0.5939 -150.9 0.500 0.7733 -174.3 9.928 90.9 0.0334 39.2 0.5877 -158.5 0.600 0.7747 -177.8 8.269 87.0 0.0361 41.5 0.5849 -163.6 0.700 0.7805 179.6 7.096 83.6 0.0386 43.5 0.5874 -167.8 0.800 0.7829 177.5 6.170 81.2 0.0416 44.6 0.5874 -171.4 0.900 0.7804 175.6 5.461 78.8 0.0453 45.9 0.5858 -174.4 1.000 0.7853 173.2 4.904 76.7 0.0476 47.1 0.5878 -176.7 1.100 0.7865 171.0 4.453 74.3 0.0510 48.3 0.5913 -179.1 1.200 0.7901 169.4 4.059 72.6 0.0543 48.9 0.5919 178.8 1.300 0.7901 168.0 3.746 70.7 0.0577 48.7 0.5912 176.7 1.400 0.7908 166.6 3.448 69.2 0.0601 49.4 0.5936 175.0 1.500 0.7922 165.4 3.255 67.4 0.0639 49.4 0.5961 173.3 1.600 0.7904 163.8 3.012 65.5 0.0674 49.3 0.5967 171.6 1.700 0.7921 162.3 2.842 63.8 0.0708 49.5 0.5966 169.9 1.800 0.7928 161.1 2.678 62.6 0.0737 49.1 0.5960 168.6 1.900 0.7958 159.6 2.548 60.8 0.0774 49.0 0.5993 167.2 2.000 0.7938 158.5 2.409 59.3 0.0808 48.3 0.6004 165.6 2.200 0.7950 155.9 2.193 56.2 0.0879 47.6 0.5995 163.1 2.400 0.7947 153.2 2.029 52.9 0.0947 46.7 0.6025 160.2 2.600 0.7907 150.7 1.879 50.0 0.1017 45.5 0.6000 158.0 2.800 0.7918 148.2 1.760 47.1 0.1085 44.1 0.6019 155.3 3.000 0.7938 145.8 1.657 44.1 0.1165 42.8 0.6014 153.1 3.500 0.7935 139.2 1.442 36.9 0.1344 38.6 0.6058 147.0 4.000 0.7954 132.5 1.292 29.2 0.1526 33.5 0.6091 140.2 4.500 0.7996 125.8 1.181 21.5 0.1695 27.6 0.6104 133.8 5.000 0.8020 119.4 1.083 14.1 0.1846 22.0 0.6196 127.3 5.500 0.7987 111.9 0.992 7.0 0.1985 16.2 0.6199 120.6 6.000 0.8124 105.4 0.932 0.2 0.2112 10.7 0.6299 114.5 ! ! SIEMENS AG Semiconductor Group, Munich