! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 2 V IC = 18 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 0.4203 -9.6 41.833 176.8 0.0020 93.9 0.9641 -4.6 0.020 0.4209 -18.6 41.293 172.0 0.0045 84.7 0.9612 -9.0 0.050 0.4439 -43.3 39.300 162.1 0.0111 74.7 0.9327 -22.4 0.100 0.5127 -77.0 35.567 147.2 0.0203 62.9 0.8566 -42.8 0.150 0.5562 -100.3 30.655 134.4 0.0262 51.9 0.7632 -59.5 0.200 0.6065 -116.0 26.668 125.5 0.0304 47.2 0.6880 -72.9 0.250 0.6358 -128.0 22.944 117.9 0.0332 42.5 0.6183 -84.5 0.300 0.6553 -136.4 20.124 112.3 0.0351 38.7 0.5745 -93.7 0.400 0.6746 -148.7 15.907 104.1 0.0373 35.8 0.5041 -108.5 0.500 0.6917 -156.3 12.920 97.8 0.0393 34.5 0.4628 -119.6 0.600 0.7057 -162.4 10.906 92.7 0.0417 34.1 0.4395 -128.1 0.700 0.7108 -167.0 9.412 88.3 0.0426 34.3 0.4273 -135.2 0.800 0.7176 -170.6 8.200 85.0 0.0447 34.5 0.4173 -141.2 0.900 0.7135 -173.6 7.257 81.9 0.0467 35.5 0.4094 -146.0 1.000 0.7194 -176.7 6.520 79.0 0.0483 36.4 0.4077 -149.8 1.100 0.7243 -179.8 5.924 76.2 0.0503 37.6 0.4091 -153.7 1.200 0.7269 178.1 5.391 74.0 0.0524 38.5 0.4076 -157.1 1.300 0.7309 176.1 4.960 71.7 0.0542 39.0 0.4057 -160.0 1.400 0.7299 174.4 4.560 69.9 0.0559 40.0 0.4088 -162.6 1.500 0.7330 172.5 4.283 67.9 0.0586 40.1 0.4110 -165.2 1.600 0.7362 170.7 3.966 65.8 0.0607 40.6 0.4120 -167.7 1.700 0.7380 169.0 3.732 63.9 0.0632 41.4 0.4125 -170.0 1.800 0.7383 167.3 3.513 62.3 0.0653 41.5 0.4131 -171.7 1.900 0.7436 165.9 3.327 60.4 0.0681 41.7 0.4178 -173.6 2.000 0.7428 164.2 3.141 58.7 0.0705 41.7 0.4187 -175.6 2.200 0.7452 161.6 2.842 55.3 0.0758 41.9 0.4210 -178.8 2.400 0.7451 158.6 2.617 51.8 0.0812 41.8 0.4254 177.8 2.600 0.7437 156.0 2.409 48.8 0.0866 41.6 0.4264 175.3 2.800 0.7452 153.3 2.245 45.8 0.0919 41.1 0.4297 172.2 3.000 0.7476 150.6 2.104 42.6 0.0981 40.4 0.4312 170.0 3.500 0.7506 143.8 1.814 35.2 0.1128 37.9 0.4393 163.5 4.000 0.7560 137.0 1.607 27.2 0.1287 34.5 0.4463 156.6 4.500 0.7599 130.2 1.452 19.5 0.1434 29.9 0.4533 150.4 5.000 0.7672 123.5 1.323 11.8 0.1576 25.4 0.4704 143.5 5.500 0.7704 116.0 1.201 4.5 0.1715 20.3 0.4793 136.4 6.000 0.7829 109.3 1.116 -2.8 0.1846 15.4 0.4983 130.1 ! ! SIEMENS AG Semiconductor Group, Munich