! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1.25 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 0.3737 -12.4 44.243 176.3 0.0025 92.5 0.9539 -5.5 0.020 0.3743 -23.3 43.652 171.1 0.0051 84.4 0.9464 -10.9 0.050 0.4211 -52.2 41.118 159.9 0.0122 73.6 0.9163 -27.0 0.100 0.5114 -89.0 36.236 143.6 0.0217 59.1 0.8290 -50.9 0.150 0.5741 -111.5 30.394 130.6 0.0276 50.1 0.7352 -69.7 0.200 0.6267 -125.9 25.929 121.6 0.0309 44.2 0.6638 -84.5 0.250 0.6517 -136.4 21.997 114.4 0.0335 39.4 0.6037 -96.9 0.300 0.6756 -144.1 19.071 109.1 0.0357 37.0 0.5692 -106.4 0.400 0.6995 -154.6 14.915 101.6 0.0376 34.8 0.5153 -121.2 0.500 0.7116 -161.3 12.052 95.7 0.0396 34.0 0.4851 -132.0 0.600 0.7178 -166.6 10.113 91.0 0.0416 34.3 0.4699 -139.9 0.700 0.7262 -170.8 8.706 86.8 0.0432 35.5 0.4632 -146.3 0.800 0.7328 -174.1 7.581 83.7 0.0449 35.4 0.4575 -151.6 0.900 0.7312 -176.7 6.713 80.9 0.0475 36.6 0.4520 -155.9 1.000 0.7349 -179.7 6.025 78.3 0.0490 37.8 0.4529 -159.4 1.100 0.7397 177.9 5.477 75.6 0.0512 39.1 0.4554 -162.8 1.200 0.7416 175.5 4.982 73.5 0.0537 39.9 0.4546 -165.8 1.300 0.7451 173.8 4.587 71.3 0.0557 40.3 0.4544 -168.5 1.400 0.7482 172.2 4.222 69.6 0.0578 41.0 0.4568 -170.7 1.500 0.7474 170.6 3.968 67.7 0.0606 41.4 0.4598 -172.9 1.600 0.7512 168.5 3.668 65.6 0.0633 41.8 0.4602 -175.1 1.700 0.7517 167.2 3.458 63.8 0.0658 42.6 0.4614 -177.3 1.800 0.7505 165.5 3.256 62.3 0.0680 42.1 0.4620 -179.0 1.900 0.7554 163.9 3.086 60.4 0.0714 42.6 0.4667 179.4 2.000 0.7574 162.6 2.916 58.8 0.0739 42.6 0.4672 177.6 2.200 0.7582 160.2 2.642 55.5 0.0792 42.5 0.4685 174.7 2.400 0.7573 157.1 2.437 52.0 0.0851 42.1 0.4722 171.5 2.600 0.7554 154.6 2.246 49.0 0.0908 41.8 0.4722 169.2 2.800 0.7588 151.7 2.097 46.0 0.0966 40.8 0.4754 166.1 3.000 0.7579 149.4 1.966 42.9 0.1031 40.2 0.4757 164.1 3.500 0.7595 142.7 1.699 35.4 0.1187 37.3 0.4829 157.7 4.000 0.7660 135.9 1.511 27.6 0.1349 33.5 0.4890 150.9 4.500 0.7693 129.0 1.369 19.9 0.1504 28.7 0.4945 144.7 5.000 0.7753 122.6 1.250 12.2 0.1650 23.8 0.5101 138.1 5.500 0.7784 114.9 1.138 5.2 0.1789 18.7 0.5166 131.2 6.000 0.7923 108.3 1.059 -2.1 0.1917 13.6 0.5335 125.0 ! ! SIEMENS AG Semiconductor Group, Munich