! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 4 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 0.5647 -6.1 32.257 177.6 0.0030 32.9 0.9246 -3.1 0.020 0.5647 -11.9 32.003 173.6 0.0050 51.9 0.9243 -6.1 0.050 0.5722 -28.0 30.702 165.8 0.0105 64.0 0.9059 -15.1 0.100 0.5891 -53.7 28.951 153.8 0.0200 61.6 0.8589 -29.6 0.150 0.5997 -74.4 26.147 142.3 0.0272 54.5 0.7880 -42.0 0.200 0.6270 -91.5 23.795 133.6 0.0324 49.3 0.7228 -52.5 0.250 0.6364 -104.9 21.138 125.6 0.0364 43.5 0.6530 -61.9 0.300 0.6530 -115.3 18.949 119.6 0.0392 40.2 0.6033 -69.6 0.400 0.6709 -130.9 15.470 110.3 0.0430 34.5 0.5158 -82.1 0.500 0.6785 -141.7 12.775 102.8 0.0448 31.7 0.4559 -92.1 0.600 0.6894 -149.8 10.913 97.0 0.0463 29.8 0.4167 -100.3 0.700 0.6984 -156.0 9.488 91.8 0.0478 28.6 0.3919 -107.5 0.800 0.7025 -160.4 8.296 87.9 0.0492 28.5 0.3718 -113.7 0.900 0.7013 -164.7 7.366 84.3 0.0507 28.7 0.3571 -118.7 1.000 0.7053 -168.6 6.644 81.0 0.0510 29.1 0.3497 -123.4 1.100 0.7122 -172.2 6.047 77.8 0.0523 29.8 0.3456 -128.1 1.200 0.7159 -175.1 5.504 75.2 0.0536 30.4 0.3407 -132.0 1.300 0.7196 -177.3 5.060 72.7 0.0549 30.6 0.3371 -135.6 1.400 0.7206 -179.5 4.645 70.5 0.0557 31.2 0.3378 -138.7 1.500 0.7265 178.4 4.362 68.4 0.0571 31.9 0.3389 -142.0 1.600 0.7284 176.0 4.036 65.8 0.0587 32.7 0.3375 -145.0 1.700 0.7297 174.1 3.799 63.8 0.0606 33.4 0.3373 -147.8 1.800 0.7293 172.3 3.574 62.1 0.0616 34.1 0.3390 -150.1 1.900 0.7364 170.6 3.386 59.9 0.0637 34.9 0.3434 -152.5 2.000 0.7361 168.7 3.193 58.2 0.0654 35.2 0.3428 -154.9 2.200 0.7390 165.8 2.880 54.5 0.0693 36.0 0.3469 -158.4 2.400 0.7423 162.5 2.645 50.8 0.0733 36.8 0.3517 -162.8 2.600 0.7367 159.7 2.430 47.5 0.0772 37.2 0.3547 -165.6 2.800 0.7409 156.6 2.261 44.4 0.0819 37.4 0.3584 -169.4 3.000 0.7437 153.9 2.109 41.0 0.0868 37.5 0.3624 -171.7 3.500 0.7487 146.8 1.812 33.2 0.0994 36.8 0.3738 -179.1 4.000 0.7539 139.6 1.601 25.1 0.1133 34.8 0.3844 173.4 4.500 0.7631 132.6 1.442 17.3 0.1276 31.5 0.3973 166.6 5.000 0.7705 125.8 1.310 9.3 0.1420 28.1 0.4192 159.1 5.500 0.7718 118.4 1.181 2.0 0.1559 23.5 0.4323 151.3 6.000 0.7871 111.4 1.095 -5.3 0.1699 19.2 0.4566 144.0 ! ! SIEMENS AG Semiconductor Group, Munich