! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1 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 0.5494 -8.3 31.971 177.2 0.0030 87.5 0.9693 -4.4 0.020 0.5471 -16.1 31.669 172.5 0.0063 81.8 0.9634 -8.9 0.050 0.5608 -36.9 30.159 162.7 0.0151 75.2 0.9390 -22.1 0.100 0.5990 -67.8 27.563 148.2 0.0276 61.9 0.8690 -42.3 0.150 0.6188 -90.7 23.942 135.4 0.0361 51.7 0.7804 -59.1 0.200 0.6510 -107.5 20.942 126.4 0.0418 44.8 0.7078 -72.6 0.250 0.6687 -120.5 18.094 118.7 0.0456 39.3 0.6398 -84.2 0.300 0.6860 -129.7 15.924 112.9 0.0485 35.6 0.5966 -93.6 0.400 0.7041 -143.4 12.662 104.5 0.0510 30.1 0.5264 -108.6 0.500 0.7114 -151.7 10.260 98.0 0.0532 27.8 0.4851 -119.8 0.600 0.7242 -158.6 8.666 92.7 0.0552 26.6 0.4605 -128.4 0.700 0.7288 -163.6 7.491 88.1 0.0555 25.9 0.4484 -135.6 0.800 0.7321 -167.8 6.521 84.7 0.0575 25.4 0.4383 -141.6 0.900 0.7307 -170.7 5.781 81.6 0.0584 25.5 0.4303 -146.4 1.000 0.7363 -174.2 5.194 78.7 0.0594 26.3 0.4277 -150.2 1.100 0.7418 -177.4 4.725 75.7 0.0608 26.8 0.4286 -154.1 1.200 0.7470 -179.8 4.302 73.4 0.0621 27.5 0.4272 -157.4 1.300 0.7475 178.0 3.956 71.1 0.0635 27.5 0.4257 -160.4 1.400 0.7548 176.0 3.642 69.1 0.0645 28.2 0.4281 -162.8 1.500 0.7555 174.2 3.429 67.1 0.0660 29.3 0.4307 -165.5 1.600 0.7554 172.3 3.175 64.9 0.0683 30.0 0.4312 -167.8 1.700 0.7569 170.3 2.988 62.9 0.0697 30.5 0.4319 -170.1 1.800 0.7570 168.9 2.811 61.3 0.0715 30.5 0.4324 -171.8 1.900 0.7622 167.2 2.666 59.3 0.0735 31.5 0.4374 -173.6 2.000 0.7640 165.5 2.520 57.5 0.0753 31.7 0.4378 -175.6 2.200 0.7668 162.7 2.290 54.1 0.0792 32.3 0.4407 -178.7 2.400 0.7658 159.7 2.105 50.3 0.0838 32.9 0.4456 178.0 2.600 0.7661 156.8 1.944 47.2 0.0882 33.1 0.4475 175.6 2.800 0.7669 154.0 1.812 43.9 0.0932 33.0 0.4504 172.6 3.000 0.7680 151.3 1.699 40.6 0.0985 33.1 0.4526 170.4 3.500 0.7728 144.3 1.469 32.9 0.1122 31.7 0.4628 163.9 4.000 0.7808 137.4 1.307 24.8 0.1266 29.3 0.4726 157.1 4.500 0.7864 130.5 1.183 16.9 0.1409 25.6 0.4824 150.9 5.000 0.7893 123.8 1.081 8.9 0.1554 21.7 0.5020 144.0 5.500 0.7942 116.0 0.982 1.8 0.1689 17.3 0.5124 136.8 6.000 0.8079 109.3 0.913 -5.6 0.1816 12.8 0.5322 130.4 ! ! SIEMENS AG Semiconductor Group, Munich