! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1.5 V IC = 90 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 0.1944 -160.0 74.449 174.8 0.0016 101.0 0.8271 -7.0 0.020 0.2321 -151.7 73.224 168.0 0.0029 85.3 0.8352 -15.5 0.050 0.3636 -142.2 66.454 153.3 0.0066 73.5 0.8011 -40.1 0.100 0.5340 -150.0 53.306 133.7 0.0108 61.0 0.7105 -72.8 0.150 0.6201 -157.6 41.693 121.1 0.0134 53.7 0.6367 -95.4 0.200 0.6622 -162.8 33.766 112.8 0.0149 53.2 0.5918 -111.0 0.250 0.6851 -167.0 27.833 106.9 0.0165 51.8 0.5614 -123.0 0.300 0.7044 -169.9 23.740 102.5 0.0183 53.2 0.5479 -131.6 0.400 0.7179 -174.6 18.182 96.5 0.0209 56.0 0.5271 -143.9 0.500 0.7264 -177.7 14.554 91.9 0.0237 58.1 0.5181 -152.3 0.600 0.7338 179.8 12.134 88.0 0.0269 59.6 0.5142 -158.1 0.700 0.7382 177.0 10.398 84.5 0.0303 61.4 0.5155 -162.7 0.800 0.7422 175.3 9.029 81.9 0.0340 60.6 0.5156 -166.8 0.900 0.7375 173.6 7.988 79.6 0.0377 61.7 0.5150 -170.1 1.000 0.7417 171.8 7.165 77.4 0.0407 62.3 0.5168 -172.7 1.100 0.7466 169.4 6.502 75.1 0.0447 62.4 0.5212 -175.2 1.200 0.7472 168.2 5.912 73.3 0.0482 62.4 0.5215 -177.7 1.300 0.7481 166.8 5.446 71.4 0.0518 61.6 0.5221 -179.8 1.400 0.7472 165.6 5.007 70.0 0.0547 61.6 0.5251 178.4 1.500 0.7531 164.4 4.712 68.3 0.0585 60.9 0.5277 176.5 1.600 0.7511 163.0 4.356 66.5 0.0623 60.5 0.5291 174.7 1.700 0.7508 161.4 4.102 64.8 0.0659 60.1 0.5302 172.8 1.800 0.7497 160.6 3.866 63.6 0.0688 58.9 0.5300 171.4 1.900 0.7532 158.9 3.664 61.9 0.0727 58.3 0.5326 169.9 2.000 0.7561 157.7 3.461 60.5 0.0762 57.6 0.5344 168.3 2.200 0.7551 155.5 3.140 57.5 0.0836 56.4 0.5342 165.6 2.400 0.7530 152.9 2.894 54.4 0.0906 54.8 0.5375 162.7 2.600 0.7500 150.5 2.673 51.7 0.0974 52.8 0.5348 160.4 2.800 0.7500 148.1 2.494 48.9 0.1044 51.0 0.5373 157.6 3.000 0.7521 145.6 2.342 46.1 0.1121 49.2 0.5362 155.4 3.500 0.7495 139.2 2.025 39.2 0.1300 44.5 0.5411 149.2 4.000 0.7536 132.9 1.802 31.7 0.1482 38.9 0.5434 142.3 4.500 0.7562 126.4 1.633 24.4 0.1648 32.6 0.5436 136.0 5.000 0.7598 120.0 1.488 17.2 0.1797 26.7 0.5537 129.5 5.500 0.7633 113.0 1.356 10.2 0.1936 20.6 0.5564 122.8 6.000 0.7736 106.6 1.265 3.3 0.2060 14.8 0.5682 116.7 ! ! SIEMENS AG Semiconductor Group, Munich