! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 3.5 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 0.7555 -3.9 19.011 178.6 0.0025 70.4 0.9813 -2.2 0.020 0.7526 -7.9 18.815 175.2 0.0052 73.4 0.9802 -4.2 0.050 0.7542 -18.5 18.290 168.8 0.0124 76.4 0.9678 -10.4 0.100 0.7568 -36.9 17.817 159.3 0.0240 70.1 0.9373 -20.6 0.150 0.7410 -53.1 16.625 149.1 0.0336 62.1 0.8894 -29.8 0.200 0.7488 -67.6 15.672 141.3 0.0419 55.4 0.8399 -38.0 0.250 0.7348 -80.9 14.435 133.4 0.0483 48.8 0.7791 -45.5 0.300 0.7312 -91.4 13.254 127.1 0.0529 44.8 0.7311 -51.8 0.400 0.7301 -109.2 11.252 117.0 0.0595 36.4 0.6392 -62.2 0.500 0.7219 -122.3 9.511 108.3 0.0638 30.5 0.5672 -70.7 0.600 0.7296 -132.7 8.258 101.7 0.0660 26.7 0.5150 -77.9 0.700 0.7317 -140.4 7.245 95.7 0.0674 23.2 0.4769 -84.0 0.800 0.7352 -146.8 6.382 91.1 0.0689 20.9 0.4458 -89.5 0.900 0.7316 -152.0 5.695 86.8 0.0693 19.5 0.4226 -94.1 1.000 0.7328 -157.1 5.146 83.0 0.0693 18.3 0.4071 -98.6 1.100 0.7380 -161.9 4.699 79.3 0.0694 17.0 0.3950 -103.3 1.200 0.7415 -165.3 4.285 76.2 0.0693 16.7 0.3850 -107.3 1.300 0.7479 -168.3 3.945 73.4 0.0695 16.1 0.3756 -110.9 1.400 0.7453 -171.2 3.623 70.8 0.0688 15.9 0.3733 -114.3 1.500 0.7512 -173.6 3.399 68.4 0.0691 15.8 0.3691 -118.1 1.600 0.7524 -176.4 3.149 65.6 0.0694 16.2 0.3644 -121.1 1.700 0.7555 -178.6 2.963 63.4 0.0691 16.5 0.3617 -124.3 1.800 0.7516 179.1 2.789 61.3 0.0689 16.7 0.3610 -126.9 1.900 0.7577 176.7 2.643 58.9 0.0693 17.6 0.3637 -129.9 2.000 0.7609 174.8 2.494 56.8 0.0699 18.0 0.3611 -132.6 2.200 0.7642 171.2 2.248 52.8 0.0706 19.1 0.3651 -136.7 2.400 0.7645 167.6 2.063 48.8 0.0718 20.8 0.3680 -141.8 2.600 0.7665 164.3 1.891 45.2 0.0730 22.2 0.3721 -145.3 2.800 0.7696 161.1 1.762 41.7 0.0751 23.8 0.3751 -149.6 3.000 0.7750 158.1 1.641 38.2 0.0780 25.1 0.3821 -152.4 3.500 0.7794 150.3 1.407 29.8 0.0863 28.0 0.3964 -161.1 4.000 0.7873 142.4 1.239 21.2 0.0972 29.5 0.4131 -169.9 4.500 0.7968 135.0 1.114 13.3 0.1100 29.0 0.4314 -178.1 5.000 0.8053 127.7 1.010 5.2 0.1244 27.5 0.4584 172.9 5.500 0.8078 119.6 0.909 -2.1 0.1400 24.6 0.4751 163.9 6.000 0.8209 112.5 0.840 -9.5 0.1553 21.1 0.5032 155.3 ! ! SIEMENS AG Semiconductor Group, Munich