! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 2 V IC = 12 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 0.5587 -7.1 32.177 177.4 0.0024 90.8 0.9773 -3.6 0.020 0.5522 -13.4 31.893 173.1 0.0052 84.7 0.9729 -7.2 0.050 0.5641 -31.2 30.529 164.5 0.0123 77.3 0.9510 -18.0 0.100 0.5884 -59.5 28.472 151.4 0.0228 65.9 0.8905 -34.9 0.150 0.6026 -81.5 25.319 139.3 0.0311 55.4 0.8093 -49.4 0.200 0.6375 -99.0 22.616 130.5 0.0366 48.9 0.7382 -61.3 0.250 0.6500 -112.4 19.859 122.4 0.0406 42.6 0.6644 -71.8 0.300 0.6646 -122.4 17.668 116.5 0.0437 39.2 0.6132 -80.5 0.400 0.6887 -136.7 14.214 107.6 0.0468 33.5 0.5286 -94.5 0.500 0.6926 -146.4 11.641 100.5 0.0489 30.2 0.4748 -105.3 0.600 0.7051 -154.2 9.887 94.9 0.0506 29.1 0.4403 -114.2 0.700 0.7125 -159.9 8.567 90.0 0.0517 28.2 0.4203 -121.7 0.800 0.7156 -164.0 7.472 86.4 0.0530 27.8 0.4044 -128.1 0.900 0.7159 -167.8 6.619 83.0 0.0544 27.7 0.3922 -133.1 1.000 0.7202 -171.3 5.960 79.9 0.0552 28.2 0.3873 -137.4 1.100 0.7282 -174.8 5.422 76.9 0.0565 28.7 0.3856 -141.9 1.200 0.7296 -177.4 4.934 74.4 0.0578 29.3 0.3820 -145.7 1.300 0.7318 -179.5 4.544 72.0 0.0590 29.5 0.3793 -149.0 1.400 0.7353 178.1 4.177 69.9 0.0599 30.2 0.3811 -151.8 1.500 0.7391 176.2 3.921 67.9 0.0615 30.8 0.3825 -154.9 1.600 0.7370 174.0 3.629 65.5 0.0634 31.5 0.3822 -157.6 1.700 0.7426 172.6 3.413 63.5 0.0649 32.4 0.3820 -160.1 1.800 0.7403 170.5 3.211 61.8 0.0665 32.5 0.3833 -162.0 1.900 0.7468 168.8 3.046 59.7 0.0685 33.3 0.3881 -164.2 2.000 0.7481 167.2 2.876 58.0 0.0704 33.5 0.3885 -166.3 2.200 0.7503 164.2 2.600 54.4 0.0745 34.3 0.3915 -169.7 2.400 0.7506 161.1 2.392 50.7 0.0785 35.0 0.3962 -173.3 2.600 0.7506 158.3 2.200 47.5 0.0828 35.2 0.3989 -176.1 2.800 0.7522 155.4 2.051 44.4 0.0875 35.4 0.4023 -179.4 3.000 0.7547 152.8 1.918 41.1 0.0927 35.3 0.4056 178.3 3.500 0.7575 145.7 1.653 33.3 0.1058 34.4 0.4159 171.5 4.000 0.7644 138.5 1.466 25.2 0.1200 32.0 0.4261 164.4 4.500 0.7727 131.6 1.324 17.3 0.1342 28.5 0.4369 158.0 5.000 0.7812 124.8 1.201 9.5 0.1483 24.9 0.4582 150.9 5.500 0.7819 117.1 1.091 2.1 0.1625 20.3 0.4704 143.4 6.000 0.7937 110.3 1.010 -5.2 0.1758 16.0 0.4926 136.7 ! ! SIEMENS AG Semiconductor Group, Munich