! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 0.5 V IC = 20 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 0.3636 -16.0 43.333 175.4 0.0034 87.0 0.9267 -7.6 0.020 0.3692 -31.2 42.658 169.0 0.0070 81.4 0.9173 -15.1 0.050 0.4440 -65.8 39.075 155.4 0.0164 68.5 0.8772 -36.9 0.100 0.5644 -103.7 32.643 137.0 0.0272 53.0 0.7863 -67.3 0.150 0.6367 -125.0 26.046 124.1 0.0334 42.8 0.7027 -89.1 0.200 0.6860 -137.5 21.519 115.4 0.0365 37.5 0.6491 -104.8 0.250 0.7098 -146.9 17.861 108.9 0.0384 33.6 0.6089 -117.4 0.300 0.7254 -153.0 15.321 104.3 0.0396 32.0 0.5901 -126.3 0.400 0.7410 -161.6 11.817 97.7 0.0422 30.4 0.5611 -139.4 0.500 0.7528 -167.1 9.472 92.7 0.0434 30.1 0.5470 -148.7 0.600 0.7628 -171.5 7.917 88.4 0.0454 31.1 0.5399 -155.0 0.700 0.7662 -175.1 6.798 84.6 0.0471 31.9 0.5393 -160.1 0.800 0.7671 -178.0 5.911 81.9 0.0495 32.7 0.5374 -164.4 0.900 0.7675 179.6 5.233 79.3 0.0517 34.1 0.5349 -167.9 1.000 0.7699 177.3 4.704 77.0 0.0533 35.5 0.5366 -170.6 1.100 0.7743 174.8 4.278 74.4 0.0558 36.7 0.5401 -173.3 1.200 0.7778 172.7 3.894 72.5 0.0583 37.8 0.5398 -175.8 1.300 0.7773 171.1 3.592 70.4 0.0610 38.1 0.5391 -178.1 1.400 0.7794 169.7 3.307 68.7 0.0628 38.5 0.5420 -179.9 1.500 0.7798 168.2 3.119 66.9 0.0658 39.3 0.5446 178.2 1.600 0.7834 166.3 2.885 64.9 0.0685 39.5 0.5456 176.3 1.700 0.7833 164.9 2.723 63.1 0.0712 40.3 0.5458 174.5 1.800 0.7876 163.3 2.572 61.7 0.0739 40.2 0.5458 173.1 1.900 0.7906 161.9 2.439 59.8 0.0770 40.5 0.5494 171.6 2.000 0.7865 160.7 2.306 58.2 0.0799 40.3 0.5504 170.0 2.200 0.7883 158.0 2.098 55.0 0.0857 40.1 0.5502 167.4 2.400 0.7866 155.3 1.941 51.4 0.0921 40.1 0.5541 164.4 2.600 0.7860 152.6 1.793 48.4 0.0981 39.5 0.5527 162.2 2.800 0.7867 150.0 1.679 45.4 0.1039 38.6 0.5552 159.4 3.000 0.7886 147.5 1.578 42.3 0.1112 37.6 0.5556 157.3 3.500 0.7877 140.8 1.374 34.9 0.1274 34.6 0.5611 151.2 4.000 0.7918 134.1 1.231 26.8 0.1445 30.6 0.5670 144.4 4.500 0.7971 127.4 1.121 19.1 0.1607 25.5 0.5709 138.1 5.000 0.8008 120.7 1.030 11.4 0.1749 20.4 0.5836 131.6 5.500 0.8030 113.1 0.943 4.4 0.1889 15.2 0.5867 124.8 6.000 0.8146 106.7 0.880 -2.7 0.2017 10.0 0.6008 118.7 ! ! SIEMENS AG Semiconductor Group, Munich