! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1.25 V IC = 40 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 0.1223 -39.0 61.064 175.2 0.0019 91.0 0.9060 -7.0 0.020 0.1568 -64.3 60.096 168.9 0.0042 84.6 0.9012 -14.2 0.050 0.3027 -95.7 54.966 155.5 0.0094 72.2 0.8642 -35.6 0.100 0.4897 -124.0 45.619 136.9 0.0160 56.8 0.7669 -65.3 0.150 0.5841 -139.1 36.490 124.1 0.0196 48.4 0.6796 -86.9 0.200 0.6442 -148.3 30.113 115.5 0.0217 45.6 0.6228 -102.5 0.250 0.6687 -155.3 24.973 109.1 0.0231 42.7 0.5815 -114.9 0.300 0.6894 -160.0 21.394 104.5 0.0248 43.4 0.5597 -124.1 0.400 0.7118 -167.2 16.503 98.0 0.0272 42.4 0.5297 -137.4 0.500 0.7252 -171.4 13.228 93.0 0.0295 45.0 0.5143 -146.6 0.600 0.7294 -175.4 11.058 88.9 0.0322 47.1 0.5080 -153.2 0.700 0.7368 -178.2 9.497 85.1 0.0346 49.0 0.5068 -158.4 0.800 0.7387 179.2 8.246 82.5 0.0377 48.7 0.5053 -162.8 0.900 0.7382 177.1 7.296 80.0 0.0409 50.5 0.5036 -166.5 1.000 0.7406 174.9 6.549 77.6 0.0433 51.5 0.5046 -169.3 1.100 0.7448 172.8 5.943 75.2 0.0466 52.2 0.5086 -172.1 1.200 0.7507 170.8 5.413 73.3 0.0498 53.3 0.5077 -174.7 1.300 0.7509 169.4 4.976 71.3 0.0531 52.9 0.5089 -177.0 1.400 0.7503 167.9 4.581 69.8 0.0558 52.9 0.5115 -178.9 1.500 0.7529 166.5 4.312 68.0 0.0591 53.2 0.5144 179.2 1.600 0.7516 165.3 3.992 66.1 0.0627 52.8 0.5157 177.2 1.700 0.7537 163.7 3.754 64.4 0.0662 53.0 0.5157 175.3 1.800 0.7539 162.2 3.539 63.1 0.0687 52.5 0.5164 173.8 1.900 0.7593 160.9 3.356 61.4 0.0725 52.2 0.5200 172.3 2.000 0.7569 159.6 3.169 59.9 0.0758 51.9 0.5208 170.6 2.200 0.7589 157.1 2.878 56.8 0.0824 50.7 0.5213 167.9 2.400 0.7580 154.3 2.652 53.5 0.0892 49.6 0.5249 164.8 2.600 0.7533 151.9 2.447 50.7 0.0957 48.4 0.5234 162.6 2.800 0.7548 149.4 2.286 47.9 0.1026 46.9 0.5254 159.7 3.000 0.7570 147.0 2.145 45.0 0.1096 45.5 0.5248 157.6 3.500 0.7549 140.4 1.858 37.8 0.1269 41.5 0.5303 151.4 4.000 0.7600 133.9 1.653 30.2 0.1445 36.4 0.5335 144.5 4.500 0.7619 127.5 1.499 22.7 0.1610 30.7 0.5350 138.2 5.000 0.7687 120.9 1.368 15.1 0.1757 25.1 0.5467 131.6 5.500 0.7693 113.6 1.244 8.3 0.1896 19.3 0.5499 124.8 6.000 0.7788 107.2 1.162 1.2 0.2021 13.8 0.5629 118.9 ! ! SIEMENS AG Semiconductor Group, Munich