! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1.5 V IC = 15 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 0.4792 -8.7 37.381 177.1 0.0024 90.1 0.9681 -4.4 0.020 0.4808 -16.7 36.978 172.2 0.0047 85.3 0.9626 -8.9 0.050 0.4991 -39.4 35.086 162.4 0.0126 75.0 0.9369 -22.1 0.100 0.5501 -72.1 31.915 147.7 0.0230 62.9 0.8653 -42.3 0.150 0.5847 -95.1 27.652 135.1 0.0301 52.2 0.7733 -59.0 0.200 0.6287 -111.8 24.137 126.0 0.0349 46.4 0.6992 -72.5 0.250 0.6479 -124.5 20.821 118.3 0.0382 40.7 0.6299 -84.0 0.300 0.6659 -133.3 18.256 112.7 0.0404 37.7 0.5852 -93.5 0.400 0.6923 -145.8 14.499 104.4 0.0433 33.2 0.5149 -108.2 0.500 0.6990 -153.8 11.776 98.0 0.0448 31.2 0.4727 -119.4 0.600 0.7133 -160.7 9.938 92.8 0.0467 30.5 0.4488 -128.0 0.700 0.7170 -165.6 8.578 88.3 0.0479 30.5 0.4365 -135.1 0.800 0.7224 -169.3 7.473 84.9 0.0496 30.6 0.4265 -141.1 0.900 0.7247 -172.3 6.607 81.8 0.0512 31.2 0.4184 -145.9 1.000 0.7267 -175.5 5.946 78.9 0.0523 31.8 0.4164 -149.8 1.100 0.7332 -178.8 5.412 76.1 0.0542 32.9 0.4177 -153.7 1.200 0.7370 179.0 4.919 73.8 0.0559 33.6 0.4158 -157.1 1.300 0.7381 177.0 4.531 71.5 0.0577 34.0 0.4145 -160.1 1.400 0.7412 174.9 4.164 69.6 0.0591 34.7 0.4169 -162.6 1.500 0.7444 173.3 3.915 67.7 0.0610 35.4 0.4196 -165.2 1.600 0.7436 171.4 3.619 65.4 0.0636 36.0 0.4200 -167.7 1.700 0.7461 169.7 3.405 63.5 0.0655 36.7 0.4206 -169.9 1.800 0.7450 168.1 3.207 62.0 0.0672 37.0 0.4213 -171.6 1.900 0.7538 166.6 3.043 60.0 0.0700 37.4 0.4260 -173.6 2.000 0.7525 164.9 2.872 58.3 0.0726 37.6 0.4267 -175.6 2.200 0.7545 162.0 2.600 54.9 0.0772 38.0 0.4292 -178.7 2.400 0.7537 159.0 2.395 51.2 0.0822 38.3 0.4332 178.0 2.600 0.7535 156.3 2.208 48.1 0.0872 38.2 0.4348 175.5 2.800 0.7554 153.6 2.058 45.1 0.0922 37.8 0.4376 172.4 3.000 0.7551 151.0 1.928 41.9 0.0980 37.4 0.4397 170.3 3.500 0.7606 144.2 1.664 34.2 0.1127 35.6 0.4484 163.8 4.000 0.7651 137.0 1.478 26.2 0.1276 32.4 0.4566 156.8 4.500 0.7699 130.4 1.335 18.5 0.1423 28.3 0.4650 150.6 5.000 0.7782 123.5 1.217 10.6 0.1568 23.9 0.4830 143.8 5.500 0.7822 116.0 1.104 3.4 0.1708 19.2 0.4921 136.7 6.000 0.7937 109.3 1.028 -3.8 0.1838 14.4 0.5118 130.3 ! ! SIEMENS AG Semiconductor Group, Munich