! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1 V IC = 25 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 0.2869 -16.9 49.497 175.8 0.0024 89.5 0.9349 -6.4 0.020 0.2938 -32.4 48.979 169.9 0.0050 83.6 0.9302 -13.0 0.050 0.3714 -66.7 45.279 157.5 0.0119 70.3 0.8920 -32.0 0.100 0.5044 -103.9 38.658 139.8 0.0206 56.7 0.7996 -59.3 0.150 0.5856 -124.0 31.574 126.9 0.0256 47.2 0.7071 -80.1 0.200 0.6410 -136.4 26.427 118.1 0.0285 42.7 0.6444 -95.4 0.250 0.6697 -145.8 22.133 111.2 0.0309 39.1 0.5942 -108.0 0.300 0.6865 -152.0 19.048 106.2 0.0320 37.1 0.5682 -117.5 0.400 0.7145 -160.7 14.769 99.3 0.0343 35.7 0.5287 -131.6 0.500 0.7257 -166.4 11.882 94.0 0.0362 35.9 0.5088 -141.5 0.600 0.7327 -171.1 9.940 89.6 0.0379 37.2 0.4981 -148.6 0.700 0.7434 -174.4 8.544 85.7 0.0399 38.5 0.4960 -154.3 0.800 0.7424 -177.2 7.423 82.8 0.0430 39.7 0.4934 -159.1 0.900 0.7431 -179.7 6.573 80.3 0.0452 40.6 0.4899 -163.0 1.000 0.7457 177.7 5.898 77.8 0.0474 42.1 0.4910 -166.0 1.100 0.7500 175.1 5.362 75.2 0.0500 43.2 0.4942 -169.0 1.200 0.7536 173.2 4.882 73.1 0.0528 44.0 0.4938 -171.8 1.300 0.7556 171.7 4.492 71.2 0.0556 44.3 0.4935 -174.2 1.400 0.7548 169.9 4.133 69.5 0.0579 45.0 0.4964 -176.2 1.500 0.7559 168.5 3.890 67.7 0.0608 45.4 0.4998 -178.3 1.600 0.7577 166.7 3.601 65.6 0.0637 45.6 0.5008 179.7 1.700 0.7580 165.2 3.387 63.9 0.0666 45.9 0.5008 177.8 1.800 0.7607 163.7 3.196 62.5 0.0694 45.7 0.5010 176.3 1.900 0.7646 162.4 3.033 60.7 0.0726 45.6 0.5048 174.7 2.000 0.7612 161.1 2.862 59.1 0.0756 45.5 0.5054 173.0 2.200 0.7639 158.5 2.598 55.9 0.0817 45.1 0.5066 170.2 2.400 0.7650 155.8 2.396 52.5 0.0879 44.6 0.5100 167.1 2.600 0.7610 153.0 2.214 49.5 0.0942 43.9 0.5093 164.8 2.800 0.7637 150.4 2.067 46.5 0.1003 42.9 0.5114 162.0 3.000 0.7653 148.1 1.938 43.5 0.1074 41.7 0.5120 159.8 3.500 0.7672 141.4 1.677 36.3 0.1238 38.3 0.5181 153.6 4.000 0.7700 134.7 1.496 28.5 0.1409 33.9 0.5229 146.7 4.500 0.7736 128.0 1.356 20.8 0.1567 28.6 0.5264 140.5 5.000 0.7783 121.4 1.242 13.1 0.1714 23.6 0.5398 134.0 5.500 0.7793 113.9 1.130 6.0 0.1852 18.1 0.5447 127.2 6.000 0.7940 107.4 1.055 -1.0 0.1979 12.9 0.5588 121.1 ! ! SIEMENS AG Semiconductor Group, Munich