! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1.25 V IC = 50 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 0.0752 -83.4 65.618 174.9 0.0020 97.1 0.8861 -7.3 0.020 0.1333 -94.1 64.345 168.4 0.0037 80.6 0.8844 -15.2 0.050 0.3093 -112.5 58.771 154.3 0.0085 71.1 0.8436 -38.1 0.100 0.5005 -133.0 47.929 135.3 0.0143 56.9 0.7475 -69.3 0.150 0.5937 -145.6 37.904 122.6 0.0175 50.1 0.6657 -91.4 0.200 0.6528 -153.8 30.984 114.1 0.0193 47.5 0.6145 -106.9 0.250 0.6792 -159.8 25.615 107.9 0.0210 45.6 0.5784 -119.3 0.300 0.6995 -163.7 21.919 103.5 0.0228 46.3 0.5611 -128.1 0.400 0.7175 -170.0 16.827 97.2 0.0247 47.0 0.5353 -140.9 0.500 0.7299 -173.7 13.458 92.4 0.0272 49.0 0.5239 -149.8 0.600 0.7346 -177.3 11.249 88.4 0.0304 50.5 0.5177 -156.0 0.700 0.7400 179.9 9.660 84.8 0.0331 52.4 0.5178 -160.9 0.800 0.7420 178.0 8.385 82.2 0.0366 53.5 0.5168 -165.1 0.900 0.7412 175.6 7.415 79.8 0.0398 54.2 0.5158 -168.6 1.000 0.7442 173.7 6.656 77.5 0.0428 55.2 0.5177 -171.2 1.100 0.7466 171.4 6.043 75.1 0.0461 55.7 0.5219 -173.9 1.200 0.7503 169.8 5.498 73.2 0.0492 55.9 0.5219 -176.3 1.300 0.7520 168.5 5.058 71.4 0.0528 55.9 0.5218 -178.6 1.400 0.7517 167.0 4.658 69.8 0.0556 55.9 0.5245 179.5 1.500 0.7526 165.7 4.385 68.1 0.0591 55.7 0.5275 177.5 1.600 0.7537 164.3 4.052 66.3 0.0627 55.5 0.5285 175.7 1.700 0.7560 162.9 3.817 64.6 0.0659 55.4 0.5292 173.9 1.800 0.7565 161.4 3.597 63.3 0.0692 54.5 0.5291 172.4 1.900 0.7591 160.1 3.409 61.6 0.0729 54.3 0.5331 170.9 2.000 0.7594 158.7 3.221 60.1 0.0765 53.5 0.5337 169.3 2.200 0.7589 156.5 2.924 57.1 0.0832 52.7 0.5341 166.6 2.400 0.7576 153.7 2.696 53.9 0.0901 51.2 0.5375 163.5 2.600 0.7561 151.5 2.490 51.1 0.0971 49.9 0.5356 161.3 2.800 0.7551 148.7 2.324 48.3 0.1037 48.3 0.5375 158.5 3.000 0.7574 146.5 2.184 45.4 0.1112 46.7 0.5370 156.4 3.500 0.7561 140.1 1.890 38.4 0.1288 42.2 0.5416 150.1 4.000 0.7615 133.6 1.680 30.8 0.1468 37.0 0.5449 143.2 4.500 0.7631 127.0 1.523 23.4 0.1633 31.1 0.5458 137.0 5.000 0.7673 120.5 1.395 15.9 0.1780 25.4 0.5568 130.4 5.500 0.7680 113.1 1.270 9.0 0.1922 19.5 0.5594 123.6 6.000 0.7771 106.7 1.184 2.1 0.2049 13.8 0.5720 117.6 ! ! SIEMENS AG Semiconductor Group, Munich