! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1.75 V IC = 3 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 0.8595 -3.1 10.289 179.2 0.0031 87.4 0.9972 -1.7 0.020 0.8592 -6.0 10.295 176.1 0.0063 85.0 0.9876 -3.3 0.050 0.8569 -14.5 10.052 170.5 0.0158 82.6 0.9860 -8.3 0.100 0.8564 -28.7 9.857 162.5 0.0313 74.4 0.9658 -16.3 0.150 0.8376 -42.3 9.442 153.0 0.0449 65.9 0.9340 -24.1 0.200 0.8339 -54.7 9.015 146.0 0.0567 59.5 0.8986 -31.0 0.250 0.8256 -66.3 8.474 138.3 0.0665 52.8 0.8526 -37.3 0.300 0.8120 -76.7 7.955 131.9 0.0745 47.6 0.8135 -43.1 0.400 0.7986 -94.1 6.931 121.4 0.0861 38.0 0.7295 -53.0 0.500 0.7780 -107.5 5.959 111.9 0.0935 30.5 0.6620 -60.9 0.600 0.7806 -118.9 5.266 104.6 0.0980 25.2 0.6085 -67.6 0.700 0.7793 -128.1 4.676 98.1 0.1006 20.3 0.5670 -73.8 0.800 0.7749 -135.3 4.140 92.6 0.1017 16.1 0.5314 -79.1 0.900 0.7725 -141.5 3.703 87.8 0.1023 13.1 0.5046 -83.8 1.000 0.7708 -147.0 3.352 83.6 0.1020 10.4 0.4864 -88.1 1.100 0.7733 -152.5 3.073 79.5 0.1014 8.1 0.4714 -92.6 1.200 0.7751 -156.7 2.801 75.9 0.1006 6.3 0.4594 -96.4 1.300 0.7813 -160.2 2.588 72.8 0.0998 4.6 0.4473 -100.0 1.400 0.7813 -163.4 2.386 69.7 0.0983 2.9 0.4436 -103.5 1.500 0.7883 -166.6 2.244 67.1 0.0969 1.9 0.4363 -107.4 1.600 0.7872 -169.8 2.078 64.1 0.0959 1.2 0.4291 -110.5 1.700 0.7903 -172.5 1.956 61.5 0.0936 0.6 0.4247 -113.8 1.800 0.7888 -175.0 1.837 59.1 0.0922 0.0 0.4231 -116.4 1.900 0.7959 -177.6 1.741 56.5 0.0910 -0.6 0.4265 -119.5 2.000 0.7961 -179.7 1.645 54.1 0.0898 -0.7 0.4227 -122.1 2.200 0.8013 176.1 1.486 49.6 0.0868 -0.8 0.4270 -127.0 2.400 0.8044 172.1 1.364 45.1 0.0842 -0.6 0.4312 -131.9 2.600 0.8028 168.4 1.254 41.4 0.0814 0.9 0.4353 -136.3 2.800 0.8075 164.7 1.166 37.6 0.0799 2.1 0.4398 -140.6 3.000 0.8124 161.4 1.092 33.7 0.0787 4.4 0.4489 -144.2 3.500 0.8202 153.0 0.932 25.0 0.0790 10.1 0.4678 -153.8 4.000 0.8289 144.7 0.823 16.3 0.0834 16.8 0.4907 -163.6 4.500 0.8362 136.8 0.736 8.4 0.0932 21.1 0.5155 -172.9 5.000 0.8445 128.9 0.665 0.7 0.1076 23.3 0.5452 176.9 5.500 0.8490 120.5 0.599 -6.0 0.1243 22.8 0.5638 167.0 6.000 0.8606 113.0 0.553 -12.2 0.1418 20.5 0.5932 157.5 ! ! SIEMENS AG Semiconductor Group, Munich