! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1 V IC = 18 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 0.4094 -11.5 41.519 176.4 0.0027 91.0 0.9535 -5.6 0.020 0.4072 -22.5 41.071 171.0 0.0056 82.4 0.9470 -11.1 0.050 0.4493 -50.3 38.545 159.8 0.0131 72.6 0.9152 -27.4 0.100 0.5329 -87.1 33.943 143.4 0.0239 58.7 0.8313 -51.7 0.150 0.5867 -109.7 28.414 130.5 0.0301 48.8 0.7362 -70.9 0.200 0.6407 -124.4 24.259 121.4 0.0342 43.1 0.6676 -85.7 0.250 0.6641 -135.5 20.557 114.1 0.0370 38.7 0.6083 -98.2 0.300 0.6845 -143.0 17.852 108.9 0.0385 36.0 0.5735 -107.8 0.400 0.7086 -153.4 13.947 101.4 0.0408 32.5 0.5219 -122.5 0.500 0.7175 -160.7 11.253 95.5 0.0425 31.5 0.4935 -133.2 0.600 0.7272 -166.1 9.452 90.8 0.0442 31.8 0.4788 -141.1 0.700 0.7353 -170.5 8.134 86.6 0.0462 32.5 0.4727 -147.5 0.800 0.7411 -173.5 7.079 83.5 0.0479 33.1 0.4676 -152.8 0.900 0.7386 -176.5 6.267 80.7 0.0499 34.2 0.4624 -157.0 1.000 0.7426 -179.3 5.630 78.1 0.0515 35.4 0.4626 -160.3 1.100 0.7456 177.9 5.116 75.4 0.0534 36.1 0.4652 -163.7 1.200 0.7488 175.8 4.658 73.3 0.0559 36.7 0.4647 -166.7 1.300 0.7501 174.0 4.291 71.1 0.0580 37.2 0.4642 -169.3 1.400 0.7526 172.4 3.942 69.3 0.0597 38.2 0.4665 -171.4 1.500 0.7563 170.8 3.711 67.4 0.0621 39.0 0.4698 -173.7 1.600 0.7543 168.9 3.433 65.4 0.0648 39.2 0.4704 -175.9 1.700 0.7560 167.3 3.233 63.4 0.0673 39.7 0.4713 -178.0 1.800 0.7564 165.6 3.049 62.0 0.0696 39.9 0.4715 -179.6 1.900 0.7645 164.3 2.892 60.1 0.0724 39.9 0.4760 178.8 2.000 0.7647 162.6 2.730 58.4 0.0751 40.1 0.4765 177.0 2.200 0.7616 160.1 2.477 55.1 0.0803 40.3 0.4780 174.2 2.400 0.7637 157.3 2.283 51.6 0.0860 40.1 0.4822 171.0 2.600 0.7618 154.5 2.109 48.6 0.0918 40.0 0.4825 168.7 2.800 0.7652 152.0 1.967 45.6 0.0975 39.3 0.4850 165.7 3.000 0.7660 149.2 1.846 42.4 0.1040 38.5 0.4857 163.7 3.500 0.7692 142.6 1.598 34.9 0.1190 35.8 0.4928 157.3 4.000 0.7722 135.9 1.424 27.0 0.1354 32.3 0.4998 150.5 4.500 0.7766 128.9 1.291 19.1 0.1504 27.4 0.5053 144.3 5.000 0.7841 122.3 1.179 11.5 0.1650 22.9 0.5211 137.7 5.500 0.7833 114.8 1.074 4.3 0.1788 17.7 0.5280 130.8 6.000 0.7984 108.2 1.001 -2.8 0.1918 12.7 0.5445 124.6 ! ! SIEMENS AG Semiconductor Group, Munich