! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1.5 V IC = 35 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 0.1667 -26.1 58.188 175.5 0.0020 89.6 0.9244 -6.4 0.020 0.1871 -46.8 57.511 169.6 0.0039 86.0 0.9228 -13.0 0.050 0.3028 -83.8 53.052 157.0 0.0095 73.6 0.8834 -32.2 0.100 0.4712 -115.3 45.030 139.2 0.0160 58.2 0.7864 -59.8 0.150 0.5621 -132.3 36.554 126.3 0.0204 50.1 0.6925 -80.4 0.200 0.6220 -143.4 30.427 117.4 0.0229 46.6 0.6293 -95.7 0.250 0.6559 -151.0 25.416 110.8 0.0242 43.1 0.5806 -108.3 0.300 0.6730 -156.4 21.876 106.0 0.0258 42.4 0.5534 -117.6 0.400 0.6992 -164.2 16.967 99.1 0.0279 42.0 0.5153 -131.7 0.500 0.7116 -169.3 13.616 94.0 0.0302 43.0 0.4953 -141.5 0.600 0.7203 -173.4 11.391 89.6 0.0328 44.8 0.4857 -148.5 0.700 0.7289 -176.8 9.785 85.7 0.0353 46.3 0.4833 -154.2 0.800 0.7312 -179.1 8.518 82.9 0.0379 47.0 0.4801 -158.9 0.900 0.7312 178.6 7.526 80.3 0.0411 48.7 0.4779 -162.9 1.000 0.7337 176.6 6.759 77.9 0.0434 50.0 0.4790 -165.8 1.100 0.7351 173.8 6.135 75.4 0.0462 50.6 0.4824 -168.9 1.200 0.7405 172.1 5.582 73.4 0.0495 51.5 0.4818 -171.6 1.300 0.7402 170.3 5.130 71.4 0.0525 51.3 0.4822 -174.1 1.400 0.7417 169.1 4.717 69.8 0.0553 51.5 0.4847 -176.1 1.500 0.7447 167.6 4.441 68.0 0.0582 51.4 0.4884 -178.2 1.600 0.7461 165.9 4.112 66.0 0.0617 51.5 0.4893 179.8 1.700 0.7461 164.4 3.868 64.3 0.0646 51.7 0.4900 177.9 1.800 0.7464 163.1 3.644 63.0 0.0675 51.1 0.4902 176.3 1.900 0.7498 161.6 3.454 61.2 0.0712 50.9 0.4939 174.6 2.000 0.7490 160.3 3.264 59.7 0.0742 50.8 0.4950 173.0 2.200 0.7500 157.8 2.958 56.5 0.0808 49.8 0.4958 170.1 2.400 0.7497 155.1 2.722 53.3 0.0873 49.0 0.4996 167.1 2.600 0.7494 152.7 2.514 50.4 0.0934 47.8 0.4987 164.7 2.800 0.7489 150.2 2.345 47.6 0.1000 46.5 0.5004 161.9 3.000 0.7512 147.6 2.199 44.6 0.1072 45.2 0.5006 159.7 3.500 0.7500 141.1 1.902 37.5 0.1240 41.1 0.5062 153.3 4.000 0.7540 134.5 1.688 29.8 0.1413 36.5 0.5099 146.5 4.500 0.7583 128.0 1.530 22.3 0.1572 30.8 0.5124 140.3 5.000 0.7629 121.3 1.397 14.7 0.1722 25.4 0.5257 133.7 5.500 0.7648 114.1 1.272 7.8 0.1862 19.8 0.5296 126.9 6.000 0.7780 107.8 1.186 0.7 0.1987 14.3 0.5438 120.8 ! ! SIEMENS AG Semiconductor Group, Munich