! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1.75 V IC = 30 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 0.2262 -18.8 54.660 175.9 0.0021 90.7 0.9379 -5.8 0.020 0.2392 -34.8 53.900 170.3 0.0040 78.2 0.9338 -11.6 0.050 0.3218 -70.4 50.284 158.5 0.0097 74.9 0.8997 -29.1 0.100 0.4604 -105.5 43.484 141.4 0.0167 58.7 0.8051 -54.5 0.150 0.5470 -124.9 35.920 128.5 0.0212 50.7 0.7097 -74.1 0.200 0.6108 -136.9 30.282 119.6 0.0237 46.4 0.6399 -89.1 0.250 0.6399 -145.8 25.453 112.6 0.0259 42.4 0.5831 -101.4 0.300 0.6621 -152.0 22.005 107.6 0.0276 41.2 0.5522 -111.0 0.400 0.6893 -160.7 17.123 100.4 0.0294 41.3 0.5037 -125.4 0.500 0.7015 -166.0 13.796 95.0 0.0319 41.0 0.4788 -135.8 0.600 0.7117 -170.9 11.567 90.4 0.0342 42.3 0.4659 -143.4 0.700 0.7193 -174.6 9.946 86.4 0.0365 43.8 0.4616 -149.5 0.800 0.7213 -177.2 8.646 83.4 0.0389 44.3 0.4576 -154.6 0.900 0.7216 -179.6 7.653 80.7 0.0415 45.5 0.4535 -158.8 1.000 0.7254 177.7 6.869 78.2 0.0437 46.9 0.4546 -162.0 1.100 0.7307 175.3 6.239 75.6 0.0466 47.8 0.4575 -165.2 1.200 0.7318 173.4 5.670 73.6 0.0492 48.9 0.4572 -168.1 1.300 0.7324 171.8 5.222 71.5 0.0524 48.8 0.4572 -170.7 1.400 0.7353 170.1 4.802 69.8 0.0547 49.4 0.4598 -172.9 1.500 0.7356 168.9 4.516 68.0 0.0576 49.1 0.4625 -175.1 1.600 0.7386 166.8 4.175 66.0 0.0607 49.5 0.4639 -177.3 1.700 0.7447 165.4 3.931 64.2 0.0637 49.7 0.4650 -179.3 1.800 0.7411 164.1 3.700 62.8 0.0666 49.6 0.4655 179.1 1.900 0.7436 162.6 3.506 61.0 0.0698 49.4 0.4692 177.5 2.000 0.7436 161.3 3.311 59.5 0.0727 49.1 0.4699 175.7 2.200 0.7480 158.7 3.003 56.3 0.0790 48.6 0.4713 172.8 2.400 0.7451 156.0 2.763 53.0 0.0854 47.8 0.4752 169.6 2.600 0.7425 153.3 2.547 50.0 0.0916 46.9 0.4744 167.3 2.800 0.7469 150.8 2.378 47.2 0.0977 45.6 0.4770 164.3 3.000 0.7445 148.3 2.225 44.2 0.1048 44.5 0.4772 162.1 3.500 0.7459 141.8 1.922 37.0 0.1210 40.9 0.4832 155.7 4.000 0.7517 135.1 1.709 29.2 0.1378 36.3 0.4879 148.9 4.500 0.7542 128.5 1.545 21.6 0.1539 30.9 0.4918 142.7 5.000 0.7629 122.0 1.407 14.1 0.1683 25.7 0.5054 136.1 5.500 0.7603 114.8 1.281 7.2 0.1821 20.1 0.5108 129.2 6.000 0.7736 108.2 1.191 0.0 0.1947 14.8 0.5256 123.2 ! ! SIEMENS AG Semiconductor Group, Munich