! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1.25 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 0.5530 -7.8 32.102 177.4 0.0027 94.2 0.9727 -4.1 0.020 0.5511 -14.7 31.759 172.7 0.0057 80.9 0.9665 -8.3 0.050 0.5624 -34.7 30.371 163.3 0.0141 75.2 0.9437 -20.7 0.100 0.5951 -64.9 27.980 149.3 0.0260 63.1 0.8771 -39.7 0.150 0.6160 -87.6 24.454 136.8 0.0343 52.2 0.7920 -55.7 0.200 0.6481 -105.0 21.587 127.7 0.0404 46.5 0.7177 -68.8 0.250 0.6635 -117.7 18.743 119.9 0.0441 40.2 0.6471 -80.2 0.300 0.6791 -127.2 16.498 114.1 0.0466 36.9 0.6013 -89.3 0.400 0.6967 -141.1 13.191 105.5 0.0501 31.6 0.5251 -104.0 0.500 0.7051 -149.9 10.741 98.8 0.0516 28.7 0.4796 -115.3 0.600 0.7162 -157.3 9.075 93.5 0.0538 27.4 0.4523 -124.0 0.700 0.7250 -162.5 7.852 88.8 0.0544 26.8 0.4384 -131.3 0.800 0.7276 -166.4 6.833 85.3 0.0560 26.1 0.4262 -137.4 0.900 0.7306 -170.2 6.063 82.0 0.0571 26.4 0.4168 -142.5 1.000 0.7341 -173.4 5.453 79.1 0.0580 26.9 0.4141 -146.5 1.100 0.7369 -176.8 4.957 76.1 0.0591 27.4 0.4143 -150.6 1.200 0.7418 -179.1 4.511 73.7 0.0603 28.3 0.4120 -154.0 1.300 0.7450 178.8 4.152 71.4 0.0622 28.6 0.4101 -157.1 1.400 0.7445 176.9 3.818 69.4 0.0631 29.0 0.4123 -159.6 1.500 0.7487 174.8 3.595 67.4 0.0645 29.6 0.4147 -162.3 1.600 0.7519 173.2 3.325 65.2 0.0666 30.4 0.4144 -164.8 1.700 0.7482 171.0 3.129 63.1 0.0681 31.1 0.4157 -167.2 1.800 0.7508 169.5 2.944 61.5 0.0697 31.4 0.4161 -169.0 1.900 0.7557 167.8 2.792 59.5 0.0717 32.0 0.4212 -171.0 2.000 0.7568 166.0 2.639 57.7 0.0738 32.3 0.4215 -173.0 2.200 0.7592 163.3 2.390 54.2 0.0780 33.0 0.4245 -176.0 2.400 0.7612 160.2 2.198 50.5 0.0823 33.5 0.4293 -179.5 2.600 0.7596 157.3 2.030 47.4 0.0865 33.9 0.4311 178.0 2.800 0.7638 154.5 1.891 44.2 0.0915 33.8 0.4347 174.8 3.000 0.7636 151.8 1.771 40.9 0.0969 33.8 0.4371 172.8 3.500 0.7675 144.7 1.532 33.2 0.1098 32.7 0.4471 166.2 4.000 0.7748 137.6 1.359 25.0 0.1246 30.2 0.4572 159.3 4.500 0.7804 130.9 1.230 17.1 0.1390 26.6 0.4672 153.0 5.000 0.7885 123.9 1.122 9.3 0.1534 22.8 0.4873 146.1 5.500 0.7903 116.5 1.017 2.0 0.1669 18.3 0.4984 138.9 6.000 0.8036 109.7 0.945 -5.1 0.1800 13.9 0.5195 132.3 ! ! SIEMENS AG Semiconductor Group, Munich