! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 3.5 V IC = 2 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 0.9148 -2.5 7.147 179.5 0.0025 81.9 0.9979 -1.2 0.020 0.9116 -5.0 7.123 176.7 0.0053 84.1 0.9901 -2.2 0.050 0.9099 -11.7 6.944 172.0 0.0135 81.7 0.9904 -5.7 0.100 0.9120 -23.1 6.907 165.4 0.0269 76.1 0.9783 -11.4 0.150 0.8980 -34.2 6.674 157.1 0.0393 68.9 0.9603 -16.9 0.200 0.8945 -44.5 6.506 151.0 0.0505 63.5 0.9387 -21.9 0.250 0.8857 -55.2 6.261 143.9 0.0602 57.3 0.9080 -26.7 0.300 0.8744 -64.0 5.949 137.9 0.0692 52.6 0.8826 -31.2 0.400 0.8551 -80.4 5.350 127.8 0.0823 43.4 0.8209 -39.1 0.500 0.8334 -94.3 4.748 117.7 0.0912 35.4 0.7658 -45.7 0.600 0.8294 -106.0 4.277 110.0 0.0977 29.0 0.7182 -51.6 0.700 0.8257 -115.6 3.846 103.0 0.1013 23.4 0.6787 -56.9 0.800 0.8158 -123.7 3.440 97.1 0.1038 18.6 0.6451 -61.5 0.900 0.8087 -130.7 3.109 91.6 0.1054 14.9 0.6177 -65.7 1.000 0.8100 -137.2 2.848 86.8 0.1051 11.6 0.5958 -69.7 1.100 0.8073 -143.3 2.621 82.4 0.1048 8.6 0.5774 -74.0 1.200 0.8056 -148.1 2.399 78.3 0.1042 6.1 0.5625 -77.7 1.300 0.8109 -152.3 2.219 74.8 0.1031 3.9 0.5472 -81.0 1.400 0.8093 -156.0 2.041 71.3 0.1010 1.6 0.5398 -84.6 1.500 0.8149 -159.6 1.922 68.5 0.0994 0.2 0.5288 -88.2 1.600 0.8123 -163.1 1.777 64.9 0.0976 -1.1 0.5204 -91.2 1.700 0.8153 -166.0 1.674 62.2 0.0957 -2.4 0.5129 -94.4 1.800 0.8122 -169.1 1.582 59.6 0.0938 -3.7 0.5086 -97.3 1.900 0.8223 -171.9 1.497 56.8 0.0917 -4.5 0.5080 -100.6 2.000 0.8192 -174.7 1.418 54.1 0.0898 -5.0 0.5016 -103.4 2.200 0.8253 -179.1 1.272 49.3 0.0856 -6.0 0.5028 -108.6 2.400 0.8270 176.4 1.171 44.6 0.0811 -6.3 0.5003 -114.2 2.600 0.8270 172.4 1.069 40.5 0.0769 -5.4 0.5020 -118.8 2.800 0.8302 168.4 0.997 36.7 0.0732 -4.0 0.5022 -123.9 3.000 0.8369 164.7 0.927 32.7 0.0705 -1.6 0.5102 -127.9 3.500 0.8407 155.8 0.790 23.9 0.0661 6.7 0.5246 -138.7 4.000 0.8490 147.0 0.693 15.1 0.0686 17.7 0.5421 -149.8 4.500 0.8566 138.6 0.622 7.6 0.0787 25.7 0.5631 -160.2 5.000 0.8643 130.4 0.561 0.4 0.0944 29.9 0.5900 -171.5 5.500 0.8651 121.6 0.503 -5.6 0.1139 29.8 0.6041 177.6 6.000 0.8736 114.0 0.464 -11.3 0.1338 27.6 0.6295 167.1 ! ! SIEMENS AG Semiconductor Group, Munich