! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1.75 V IC = 70 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 0.1179 -147.3 72.003 174.9 0.0017 99.3 0.8684 -6.8 0.020 0.1708 -137.3 71.156 168.4 0.0029 84.5 0.8704 -14.3 0.050 0.3107 -130.4 64.722 154.6 0.0068 73.4 0.8349 -36.8 0.100 0.4958 -142.0 52.848 135.5 0.0116 61.1 0.7374 -67.5 0.150 0.5872 -151.9 41.945 122.9 0.0144 54.3 0.6519 -89.4 0.200 0.6395 -158.2 34.250 114.4 0.0161 52.3 0.5984 -104.9 0.250 0.6643 -163.4 28.355 108.1 0.0177 50.0 0.5607 -117.2 0.300 0.6859 -166.6 24.262 103.7 0.0191 50.3 0.5416 -126.3 0.400 0.7053 -172.1 18.666 97.3 0.0220 53.2 0.5145 -139.2 0.500 0.7172 -175.4 14.944 92.6 0.0247 55.0 0.5020 -148.2 0.600 0.7209 -178.6 12.488 88.5 0.0280 56.4 0.4957 -154.5 0.700 0.7257 178.6 10.709 84.9 0.0311 57.8 0.4967 -159.5 0.800 0.7329 176.8 9.306 82.4 0.0343 58.3 0.4956 -163.8 0.900 0.7285 175.0 8.218 79.9 0.0377 59.0 0.4944 -167.4 1.000 0.7328 172.7 7.377 77.6 0.0406 60.2 0.4961 -170.1 1.100 0.7348 170.9 6.687 75.2 0.0443 60.2 0.5004 -172.8 1.200 0.7378 169.2 6.084 73.4 0.0481 60.3 0.5008 -175.3 1.300 0.7369 167.9 5.599 71.5 0.0513 59.5 0.5011 -177.6 1.400 0.7416 166.6 5.147 70.0 0.0541 59.7 0.5037 -179.5 1.500 0.7418 165.4 4.842 68.3 0.0578 59.3 0.5070 178.5 1.600 0.7435 163.8 4.480 66.5 0.0615 58.9 0.5083 176.5 1.700 0.7404 162.3 4.221 64.8 0.0648 58.8 0.5087 174.7 1.800 0.7428 161.0 3.975 63.5 0.0681 57.6 0.5093 173.2 1.900 0.7465 159.6 3.764 61.8 0.0720 57.2 0.5126 171.6 2.000 0.7452 158.7 3.557 60.4 0.0749 56.5 0.5137 170.0 2.200 0.7468 156.2 3.224 57.4 0.0820 55.1 0.5141 167.2 2.400 0.7444 153.5 2.970 54.2 0.0889 53.8 0.5179 164.3 2.600 0.7430 151.2 2.739 51.5 0.0959 52.2 0.5159 162.0 2.800 0.7416 148.7 2.556 48.7 0.1026 50.5 0.5182 159.1 3.000 0.7448 146.3 2.397 45.8 0.1102 48.8 0.5172 157.0 3.500 0.7444 139.9 2.072 38.9 0.1279 44.1 0.5217 150.7 4.000 0.7478 133.4 1.844 31.4 0.1455 38.8 0.5246 143.8 4.500 0.7483 127.0 1.665 24.1 0.1619 32.5 0.5256 137.6 5.000 0.7562 120.7 1.520 16.7 0.1770 26.7 0.5366 131.0 5.500 0.7539 113.4 1.384 9.8 0.1907 20.8 0.5394 124.2 6.000 0.7687 107.0 1.289 2.8 0.2033 15.1 0.5523 118.2 ! ! SIEMENS AG Semiconductor Group, Munich