! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1.5 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 0.4153 -10.9 41.710 176.6 0.0025 87.8 0.9623 -4.9 0.020 0.4137 -19.8 41.152 171.7 0.0048 81.1 0.9573 -9.8 0.050 0.4485 -46.1 38.954 161.2 0.0120 74.4 0.9261 -24.2 0.100 0.5138 -80.6 34.980 145.8 0.0214 61.4 0.8466 -46.1 0.150 0.5715 -103.8 29.784 133.0 0.0281 51.0 0.7534 -63.8 0.200 0.6202 -119.3 25.720 123.9 0.0317 45.5 0.6794 -77.8 0.250 0.6447 -130.8 22.026 116.4 0.0349 40.6 0.6132 -89.8 0.300 0.6654 -138.9 19.194 111.0 0.0366 37.8 0.5727 -99.3 0.400 0.6897 -150.5 15.138 103.0 0.0391 34.4 0.5105 -114.1 0.500 0.7037 -158.3 12.263 96.9 0.0411 33.0 0.4743 -125.1 0.600 0.7132 -164.0 10.324 91.9 0.0427 33.0 0.4541 -133.6 0.700 0.7176 -168.2 8.891 87.6 0.0443 33.6 0.4446 -140.3 0.800 0.7228 -171.7 7.737 84.4 0.0460 34.3 0.4369 -146.0 0.900 0.7224 -174.6 6.856 81.4 0.0480 35.1 0.4303 -150.7 1.000 0.7272 -177.5 6.158 78.7 0.0497 35.9 0.4298 -154.4 1.100 0.7333 179.5 5.601 75.9 0.0515 36.8 0.4316 -158.0 1.200 0.7366 177.0 5.095 73.7 0.0536 37.9 0.4306 -161.3 1.300 0.7388 175.1 4.689 71.5 0.0560 38.2 0.4293 -164.1 1.400 0.7408 173.5 4.310 69.7 0.0578 38.8 0.4322 -166.5 1.500 0.7425 171.9 4.052 67.7 0.0601 39.6 0.4348 -169.0 1.600 0.7444 170.0 3.746 65.5 0.0624 39.9 0.4354 -171.3 1.700 0.7473 168.3 3.530 63.7 0.0644 40.8 0.4358 -173.5 1.800 0.7454 166.6 3.322 62.2 0.0670 40.8 0.4367 -175.2 1.900 0.7512 165.3 3.153 60.3 0.0701 41.2 0.4417 -177.0 2.000 0.7504 163.7 2.974 58.6 0.0726 41.0 0.4423 -178.9 2.200 0.7505 161.0 2.696 55.3 0.0777 41.2 0.4439 178.2 2.400 0.7522 158.2 2.481 51.8 0.0831 41.1 0.4484 174.8 2.600 0.7519 155.5 2.286 48.8 0.0886 40.9 0.4486 172.4 2.800 0.7530 152.5 2.134 45.8 0.0942 40.2 0.4520 169.4 3.000 0.7553 150.1 1.997 42.5 0.1004 39.6 0.4529 167.3 3.500 0.7566 143.4 1.726 35.1 0.1152 37.0 0.4608 160.9 4.000 0.7629 136.5 1.533 27.1 0.1311 33.6 0.4678 154.0 4.500 0.7679 129.7 1.387 19.5 0.1466 28.9 0.4744 147.7 5.000 0.7748 123.0 1.266 11.7 0.1609 24.4 0.4911 141.1 5.500 0.7762 115.5 1.149 4.4 0.1745 19.2 0.4991 134.0 6.000 0.7893 108.8 1.069 -2.8 0.1875 14.4 0.5173 127.7 ! ! SIEMENS AG Semiconductor Group, Munich