! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 2.5 V IC = 14 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 0.5071 -7.3 35.800 177.4 0.0022 82.8 0.9706 -3.8 0.020 0.5018 -14.3 35.408 172.9 0.0039 83.5 0.9640 -7.4 0.050 0.5202 -33.9 33.836 164.1 0.0110 76.5 0.9440 -18.5 0.100 0.5533 -63.8 31.442 150.7 0.0210 65.2 0.8816 -35.8 0.150 0.5783 -86.2 27.776 138.6 0.0279 55.8 0.7966 -50.4 0.200 0.6183 -102.8 24.750 129.7 0.0330 49.1 0.7221 -62.5 0.250 0.6321 -116.2 21.637 121.7 0.0363 43.0 0.6492 -73.0 0.300 0.6534 -125.8 19.133 115.9 0.0389 39.5 0.5994 -81.7 0.400 0.6734 -139.6 15.405 107.1 0.0421 35.0 0.5163 -95.6 0.500 0.6828 -149.0 12.583 100.2 0.0440 32.1 0.4630 -106.5 0.600 0.6993 -156.2 10.692 94.7 0.0457 31.4 0.4308 -115.3 0.700 0.7056 -161.3 9.250 89.9 0.0465 30.7 0.4113 -122.6 0.800 0.7091 -165.6 8.071 86.3 0.0483 30.1 0.3959 -128.9 0.900 0.7076 -169.2 7.160 82.9 0.0500 30.9 0.3844 -134.0 1.000 0.7141 -172.8 6.441 79.9 0.0511 31.8 0.3802 -138.5 1.100 0.7213 -176.0 5.856 77.0 0.0524 32.4 0.3793 -142.8 1.200 0.7236 -178.4 5.327 74.5 0.0538 33.1 0.3758 -146.5 1.300 0.7255 179.2 4.900 72.1 0.0557 33.8 0.3732 -149.9 1.400 0.7303 177.2 4.504 70.1 0.0571 34.4 0.3754 -152.7 1.500 0.7318 175.6 4.232 68.1 0.0587 35.4 0.3775 -155.6 1.600 0.7304 173.5 3.910 65.7 0.0609 35.7 0.3768 -158.3 1.700 0.7341 171.5 3.681 63.8 0.0627 36.3 0.3771 -160.9 1.800 0.7339 169.7 3.463 62.1 0.0644 36.7 0.3783 -162.9 1.900 0.7397 168.2 3.285 60.1 0.0668 37.3 0.3833 -165.0 2.000 0.7419 166.5 3.099 58.3 0.0687 37.4 0.3828 -167.1 2.200 0.7448 163.6 2.797 54.8 0.0732 37.8 0.3861 -170.4 2.400 0.7444 160.4 2.575 51.2 0.0780 38.6 0.3909 -174.2 2.600 0.7422 157.7 2.369 48.1 0.0825 38.5 0.3929 -176.8 2.800 0.7445 154.9 2.205 45.0 0.0873 38.2 0.3967 179.8 3.000 0.7484 152.3 2.062 41.7 0.0931 38.1 0.3990 177.6 3.500 0.7505 145.2 1.773 34.0 0.1067 36.6 0.4088 170.8 4.000 0.7592 138.3 1.573 26.0 0.1213 33.9 0.4179 163.7 4.500 0.7628 131.3 1.418 18.3 0.1358 30.0 0.4279 157.2 5.000 0.7696 124.5 1.288 10.4 0.1502 25.9 0.4474 150.2 5.500 0.7714 116.8 1.169 3.1 0.1640 21.3 0.4587 142.8 6.000 0.7878 110.4 1.084 -4.2 0.1773 16.8 0.4806 136.1 ! ! SIEMENS AG Semiconductor Group, Munich