! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1.25 V IC = 6 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 0.7418 -4.7 18.756 178.4 0.0031 88.5 0.9893 -2.7 0.020 0.7363 -9.0 18.633 174.7 0.0065 84.2 0.9836 -5.4 0.050 0.7400 -21.8 18.060 167.4 0.0161 77.3 0.9704 -13.6 0.100 0.7428 -42.6 17.325 156.6 0.0310 68.6 0.9302 -26.6 0.150 0.7269 -60.9 15.959 145.3 0.0431 59.2 0.8699 -38.3 0.200 0.7376 -76.6 14.752 137.0 0.0527 52.3 0.8106 -48.3 0.250 0.7288 -90.4 13.371 128.7 0.0594 45.1 0.7433 -57.4 0.300 0.7275 -101.2 12.110 122.4 0.0650 40.3 0.6916 -65.2 0.400 0.7269 -117.9 10.038 112.6 0.0715 32.3 0.5977 -77.8 0.500 0.7220 -130.1 8.350 104.5 0.0747 26.6 0.5305 -87.9 0.600 0.7309 -139.8 7.187 98.0 0.0772 22.7 0.4850 -96.3 0.700 0.7372 -147.1 6.271 92.5 0.0780 20.0 0.4543 -103.8 0.800 0.7355 -153.0 5.490 88.1 0.0789 17.7 0.4291 -110.1 0.900 0.7356 -157.3 4.878 84.2 0.0794 16.1 0.4112 -115.3 1.000 0.7382 -161.7 4.392 80.7 0.0794 15.1 0.4015 -119.8 1.100 0.7462 -166.3 4.011 77.3 0.0793 14.4 0.3947 -124.5 1.200 0.7473 -169.4 3.648 74.4 0.0795 13.8 0.3878 -128.5 1.300 0.7537 -172.1 3.362 71.7 0.0796 13.1 0.3822 -132.2 1.400 0.7534 -174.5 3.095 69.2 0.0788 12.8 0.3828 -135.4 1.500 0.7569 -176.9 2.909 67.0 0.0787 12.9 0.3820 -138.9 1.600 0.7605 -179.5 2.692 64.4 0.0789 13.1 0.3799 -141.8 1.700 0.7638 178.2 2.529 62.1 0.0786 13.6 0.3792 -144.6 1.800 0.7646 176.2 2.384 60.2 0.0787 13.4 0.3798 -146.8 1.900 0.7708 174.2 2.259 57.9 0.0792 13.9 0.3848 -149.2 2.000 0.7702 172.3 2.138 55.8 0.0798 14.4 0.3837 -151.6 2.200 0.7725 169.0 1.928 51.9 0.0806 15.3 0.3888 -155.3 2.400 0.7743 165.3 1.778 47.8 0.0813 16.3 0.3949 -159.3 2.600 0.7773 162.4 1.636 44.3 0.0830 18.0 0.4000 -162.6 2.800 0.7793 159.2 1.524 40.8 0.0847 18.9 0.4044 -166.1 3.000 0.7823 156.2 1.426 37.3 0.0874 20.4 0.4110 -168.6 3.500 0.7881 148.6 1.226 29.0 0.0957 22.5 0.4271 -176.1 4.000 0.7966 141.2 1.090 20.5 0.1063 23.5 0.4458 176.0 4.500 0.8066 133.8 0.978 12.4 0.1182 22.8 0.4648 168.8 5.000 0.8145 126.4 0.890 4.5 0.1318 21.2 0.4920 160.7 5.500 0.8158 118.5 0.807 -2.7 0.1467 18.5 0.5096 152.3 6.000 0.8305 111.5 0.746 -9.9 0.1609 15.3 0.5374 144.6 ! ! SIEMENS AG Semiconductor Group, Munich