! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1.5 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 0.3764 -11.6 44.382 176.5 0.0022 92.6 0.9553 -5.1 0.020 0.3792 -22.0 43.951 171.3 0.0044 82.3 0.9498 -10.2 0.050 0.4178 -50.2 41.305 160.5 0.0115 72.6 0.9207 -25.6 0.100 0.5000 -86.2 36.700 144.6 0.0206 61.1 0.8379 -48.4 0.150 0.5614 -109.0 31.045 131.6 0.0265 50.8 0.7417 -66.7 0.200 0.6158 -123.9 26.613 122.7 0.0300 44.9 0.6684 -81.1 0.250 0.6447 -134.7 22.633 115.4 0.0326 40.6 0.6066 -93.2 0.300 0.6650 -142.4 19.726 110.0 0.0343 38.2 0.5672 -102.8 0.400 0.6911 -153.1 15.484 102.3 0.0370 35.5 0.5089 -117.5 0.500 0.7012 -160.1 12.520 96.3 0.0390 34.4 0.4759 -128.5 0.600 0.7097 -166.0 10.530 91.5 0.0407 34.6 0.4581 -136.6 0.700 0.7227 -170.0 9.074 87.2 0.0420 35.4 0.4506 -143.2 0.800 0.7243 -173.4 7.885 84.1 0.0444 36.1 0.4434 -148.8 0.900 0.7250 -176.3 6.986 81.1 0.0463 36.9 0.4375 -153.3 1.000 0.7284 -178.9 6.272 78.5 0.0482 38.7 0.4385 -156.8 1.100 0.7350 178.3 5.703 75.8 0.0503 38.9 0.4404 -160.4 1.200 0.7334 176.0 5.180 73.6 0.0525 40.2 0.4388 -163.5 1.300 0.7385 174.3 4.775 71.5 0.0552 40.7 0.4389 -166.3 1.400 0.7388 172.8 4.391 69.7 0.0571 41.3 0.4414 -168.5 1.500 0.7420 171.1 4.133 67.8 0.0594 41.8 0.4441 -170.9 1.600 0.7442 169.1 3.817 65.7 0.0623 42.1 0.4447 -173.2 1.700 0.7446 167.5 3.593 63.8 0.0646 43.0 0.4458 -175.4 1.800 0.7462 165.9 3.383 62.3 0.0669 43.0 0.4467 -177.0 1.900 0.7523 164.5 3.206 60.4 0.0700 43.1 0.4506 -178.7 2.000 0.7507 162.8 3.028 58.8 0.0727 43.0 0.4512 179.4 2.200 0.7516 160.3 2.745 55.5 0.0781 43.0 0.4532 176.4 2.400 0.7503 157.5 2.527 52.0 0.0839 42.8 0.4569 173.2 2.600 0.7492 155.0 2.327 49.0 0.0894 42.2 0.4575 170.8 2.800 0.7523 152.3 2.174 46.0 0.0950 41.4 0.4603 167.8 3.000 0.7531 149.7 2.038 42.9 0.1015 40.7 0.4612 165.6 3.500 0.7550 143.0 1.760 35.5 0.1169 37.9 0.4683 159.2 4.000 0.7601 136.1 1.564 27.6 0.1333 34.0 0.4745 152.3 4.500 0.7643 129.3 1.413 20.0 0.1483 29.3 0.4803 146.2 5.000 0.7723 122.7 1.288 12.2 0.1632 24.5 0.4967 139.5 5.500 0.7736 115.4 1.172 5.2 0.1769 19.3 0.5042 132.5 6.000 0.7858 108.8 1.091 -2.0 0.1896 14.2 0.5208 126.4 ! ! SIEMENS AG Semiconductor Group, Munich