! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1.25 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 0.1656 -28.0 57.949 175.3 0.0022 96.1 0.9183 -6.8 0.020 0.1917 -49.3 57.008 169.3 0.0043 83.6 0.9140 -13.7 0.050 0.3134 -86.2 52.594 156.2 0.0098 71.7 0.8746 -34.0 0.100 0.4857 -117.5 44.166 138.1 0.0172 57.0 0.7799 -62.8 0.150 0.5766 -134.3 35.536 125.2 0.0208 49.5 0.6877 -84.0 0.200 0.6376 -144.3 29.497 116.4 0.0231 44.3 0.6279 -99.5 0.250 0.6669 -152.3 24.522 109.9 0.0250 41.8 0.5831 -112.0 0.300 0.6867 -157.5 21.062 105.1 0.0262 40.9 0.5599 -121.3 0.400 0.7100 -165.2 16.275 98.5 0.0287 41.1 0.5258 -134.9 0.500 0.7221 -170.0 13.056 93.4 0.0308 42.6 0.5085 -144.5 0.600 0.7324 -174.0 10.919 89.2 0.0334 44.4 0.5004 -151.3 0.700 0.7389 -177.0 9.383 85.4 0.0358 46.0 0.4991 -156.7 0.800 0.7379 -179.5 8.150 82.6 0.0387 46.5 0.4970 -161.3 0.900 0.7398 178.2 7.215 80.1 0.0416 47.7 0.4942 -165.1 1.000 0.7383 175.8 6.470 77.8 0.0442 49.4 0.4963 -168.0 1.100 0.7451 173.4 5.876 75.3 0.0471 50.4 0.4999 -170.8 1.200 0.7471 171.6 5.343 73.3 0.0504 50.7 0.4998 -173.4 1.300 0.7467 170.0 4.923 71.3 0.0535 50.8 0.4997 -175.8 1.400 0.7537 168.8 4.528 69.8 0.0558 51.2 0.5025 -177.8 1.500 0.7537 167.3 4.263 68.0 0.0592 51.4 0.5056 -179.8 1.600 0.7528 165.6 3.940 66.0 0.0627 51.2 0.5066 178.2 1.700 0.7529 164.2 3.710 64.3 0.0652 51.6 0.5070 176.4 1.800 0.7526 162.6 3.492 62.9 0.0686 50.8 0.5075 174.8 1.900 0.7568 161.3 3.318 61.1 0.0722 50.7 0.5114 173.3 2.000 0.7558 160.1 3.134 59.7 0.0753 50.3 0.5122 171.6 2.200 0.7583 157.6 2.839 56.6 0.0817 49.5 0.5125 168.8 2.400 0.7599 154.7 2.620 53.2 0.0884 48.7 0.5158 165.8 2.600 0.7539 152.1 2.419 50.4 0.0950 47.6 0.5142 163.5 2.800 0.7553 149.8 2.255 47.6 0.1012 46.2 0.5167 160.6 3.000 0.7551 147.4 2.116 44.5 0.1085 44.8 0.5164 158.5 3.500 0.7557 141.0 1.831 37.5 0.1257 40.8 0.5217 152.2 4.000 0.7614 134.1 1.632 29.8 0.1429 36.0 0.5257 145.3 4.500 0.7627 127.7 1.480 22.2 0.1591 30.3 0.5281 139.1 5.000 0.7693 121.1 1.350 14.7 0.1739 24.9 0.5403 132.6 5.500 0.7676 113.8 1.230 7.9 0.1879 19.3 0.5438 125.8 6.000 0.7833 107.4 1.147 0.7 0.2003 13.7 0.5574 119.8 ! ! SIEMENS AG Semiconductor Group, Munich