! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1.75 V IC = 90 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 0.1879 -160.6 74.929 174.9 0.0017 100.9 0.8392 -6.5 0.020 0.2263 -152.2 73.735 168.3 0.0028 90.0 0.8457 -14.5 0.050 0.3494 -142.7 67.308 154.0 0.0061 72.0 0.8137 -38.1 0.100 0.5189 -149.3 54.390 134.6 0.0105 60.7 0.7171 -69.7 0.150 0.6058 -156.9 42.917 122.0 0.0127 56.0 0.6394 -91.9 0.200 0.6541 -162.1 34.951 113.5 0.0148 54.1 0.5887 -107.5 0.250 0.6737 -166.4 28.805 107.4 0.0163 52.9 0.5538 -119.7 0.300 0.6942 -169.6 24.613 103.1 0.0177 54.8 0.5371 -128.5 0.400 0.7098 -174.0 18.892 96.9 0.0207 56.0 0.5133 -141.1 0.500 0.7202 -177.0 15.120 92.1 0.0232 58.1 0.5029 -149.9 0.600 0.7218 -180.0 12.607 88.3 0.0269 59.6 0.4975 -156.0 0.700 0.7312 177.7 10.807 84.7 0.0302 61.4 0.4994 -160.8 0.800 0.7329 175.7 9.390 82.2 0.0335 60.6 0.4985 -165.0 0.900 0.7315 174.1 8.303 79.8 0.0371 61.5 0.4975 -168.5 1.000 0.7323 172.1 7.451 77.5 0.0405 62.7 0.5002 -171.2 1.100 0.7395 170.1 6.759 75.1 0.0438 62.4 0.5038 -173.8 1.200 0.7388 168.2 6.144 73.3 0.0476 62.5 0.5043 -176.3 1.300 0.7379 167.1 5.655 71.5 0.0510 62.0 0.5048 -178.4 1.400 0.7402 165.9 5.202 70.0 0.0542 61.6 0.5077 179.7 1.500 0.7443 164.6 4.892 68.3 0.0578 61.1 0.5103 177.7 1.600 0.7432 163.4 4.525 66.5 0.0613 60.5 0.5114 175.8 1.700 0.7484 161.8 4.260 64.8 0.0651 60.3 0.5127 173.9 1.800 0.7445 160.6 4.011 63.6 0.0679 59.6 0.5130 172.5 1.900 0.7503 159.4 3.802 61.9 0.0721 58.8 0.5158 171.0 2.000 0.7465 158.0 3.593 60.6 0.0754 57.9 0.5175 169.4 2.200 0.7469 155.8 3.259 57.6 0.0824 56.5 0.5177 166.6 2.400 0.7458 153.2 3.003 54.4 0.0893 54.8 0.5211 163.6 2.600 0.7426 150.8 2.770 51.7 0.0963 53.2 0.5190 161.3 2.800 0.7445 148.2 2.584 48.9 0.1030 51.4 0.5210 158.5 3.000 0.7440 146.0 2.424 46.1 0.1108 49.7 0.5203 156.4 3.500 0.7444 139.6 2.095 39.2 0.1285 44.7 0.5243 150.1 4.000 0.7488 133.2 1.862 31.7 0.1465 39.2 0.5273 143.2 4.500 0.7511 126.7 1.687 24.4 0.1628 33.1 0.5281 137.0 5.000 0.7555 120.4 1.538 17.2 0.1780 27.2 0.5384 130.5 5.500 0.7588 113.1 1.400 10.2 0.1920 21.2 0.5416 123.7 6.000 0.7684 107.1 1.302 3.2 0.2046 15.3 0.5544 117.7 ! ! SIEMENS AG Semiconductor Group, Munich