! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1.5 V IC = 70 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 0.1240 -146.2 71.572 174.8 0.0017 102.2 0.8589 -7.2 0.020 0.1717 -137.1 70.381 168.2 0.0033 79.6 0.8625 -15.3 0.050 0.3275 -131.2 64.078 153.9 0.0070 71.5 0.8248 -38.7 0.100 0.5097 -143.1 51.844 134.6 0.0119 58.8 0.7292 -70.4 0.150 0.6021 -152.8 40.822 122.0 0.0144 53.3 0.6507 -92.8 0.200 0.6528 -158.9 33.268 113.5 0.0166 50.3 0.6016 -108.3 0.250 0.6795 -164.0 27.409 107.4 0.0179 49.9 0.5671 -120.5 0.300 0.6968 -167.2 23.417 103.1 0.0194 51.2 0.5506 -129.3 0.400 0.7137 -172.5 17.997 96.9 0.0222 52.1 0.5270 -141.8 0.500 0.7242 -175.8 14.393 92.2 0.0249 55.1 0.5169 -150.5 0.600 0.7313 -179.0 12.013 88.2 0.0279 56.8 0.5112 -156.5 0.700 0.7342 178.4 10.305 84.6 0.0314 58.1 0.5126 -161.5 0.800 0.7389 176.4 8.954 82.1 0.0347 58.2 0.5119 -165.6 0.900 0.7364 174.4 7.914 79.8 0.0380 59.6 0.5107 -169.1 1.000 0.7395 172.6 7.100 77.5 0.0411 60.0 0.5128 -171.6 1.100 0.7422 170.5 6.449 75.2 0.0447 60.0 0.5169 -174.3 1.200 0.7441 168.6 5.863 73.3 0.0481 60.0 0.5172 -176.7 1.300 0.7446 167.6 5.392 71.4 0.0520 59.5 0.5179 -179.0 1.400 0.7477 166.2 4.964 70.0 0.0551 59.9 0.5207 179.2 1.500 0.7492 164.9 4.670 68.3 0.0583 59.3 0.5232 177.3 1.600 0.7486 163.6 4.321 66.4 0.0618 58.7 0.5244 175.4 1.700 0.7466 162.2 4.068 64.7 0.0656 58.4 0.5250 173.6 1.800 0.7489 160.8 3.832 63.6 0.0689 57.7 0.5250 172.1 1.900 0.7538 159.6 3.636 61.8 0.0725 57.1 0.5289 170.6 2.000 0.7518 158.3 3.434 60.4 0.0759 56.1 0.5294 169.0 2.200 0.7527 155.8 3.114 57.4 0.0829 55.1 0.5296 166.2 2.400 0.7499 153.2 2.869 54.2 0.0901 53.4 0.5331 163.2 2.600 0.7471 150.9 2.647 51.5 0.0968 51.9 0.5312 161.0 2.800 0.7491 148.3 2.471 48.8 0.1039 50.1 0.5332 158.2 3.000 0.7514 146.1 2.319 45.8 0.1112 48.5 0.5325 156.0 3.500 0.7486 139.6 2.005 38.9 0.1291 43.7 0.5368 149.8 4.000 0.7526 133.2 1.785 31.4 0.1472 38.2 0.5399 142.8 4.500 0.7549 126.6 1.617 24.1 0.1637 32.0 0.5407 136.6 5.000 0.7610 120.4 1.476 16.7 0.1786 26.3 0.5510 130.1 5.500 0.7592 113.0 1.344 9.8 0.1925 20.3 0.5534 123.3 6.000 0.7742 106.7 1.253 3.0 0.2053 14.6 0.5658 117.3 ! ! SIEMENS AG Semiconductor Group, Munich