! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1 V IC = 60 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 0.0983 -127.8 68.149 174.5 0.0020 93.2 0.8499 -8.2 0.020 0.1596 -123.5 66.798 167.5 0.0037 81.0 0.8485 -17.3 0.050 0.3435 -125.9 60.077 152.3 0.0083 72.0 0.8122 -43.0 0.100 0.5372 -141.4 47.712 132.6 0.0137 56.4 0.7244 -76.8 0.150 0.6290 -152.1 37.008 120.1 0.0167 49.8 0.6542 -99.7 0.200 0.6754 -158.6 29.953 112.0 0.0182 47.2 0.6139 -115.1 0.250 0.7024 -163.9 24.603 106.1 0.0198 46.1 0.5867 -126.8 0.300 0.7153 -167.6 20.945 101.9 0.0211 47.1 0.5754 -135.2 0.400 0.7346 -172.7 16.040 95.9 0.0238 48.2 0.5570 -146.9 0.500 0.7459 -176.0 12.824 91.5 0.0262 51.2 0.5497 -155.0 0.600 0.7515 -179.2 10.679 87.7 0.0297 53.7 0.5457 -160.5 0.700 0.7530 178.1 9.173 84.2 0.0329 54.8 0.5475 -165.0 0.800 0.7601 176.3 7.970 81.8 0.0364 55.4 0.5481 -168.8 0.900 0.7531 174.7 7.046 79.4 0.0401 56.2 0.5468 -172.0 1.000 0.7577 172.5 6.321 77.2 0.0429 57.2 0.5492 -174.5 1.100 0.7611 170.4 5.742 74.9 0.0467 57.3 0.5527 -177.0 1.200 0.7619 168.7 5.223 73.1 0.0500 57.9 0.5533 -179.2 1.300 0.7653 167.3 4.813 71.3 0.0535 57.6 0.5533 178.6 1.400 0.7655 166.1 4.431 69.8 0.0567 57.7 0.5559 176.9 1.500 0.7665 165.0 4.174 68.1 0.0601 57.0 0.5583 175.1 1.600 0.7638 163.2 3.858 66.3 0.0640 56.8 0.5595 173.2 1.700 0.7634 161.6 3.635 64.5 0.0673 56.4 0.5601 171.5 1.800 0.7654 160.5 3.430 63.4 0.0707 55.9 0.5598 170.1 1.900 0.7713 159.2 3.253 61.7 0.0748 55.2 0.5627 168.6 2.000 0.7694 158.2 3.072 60.2 0.0784 54.5 0.5642 167.1 2.200 0.7701 155.6 2.791 57.2 0.0852 53.4 0.5637 164.4 2.400 0.7700 153.2 2.575 54.0 0.0925 52.1 0.5672 161.5 2.600 0.7655 150.6 2.380 51.3 0.0992 50.4 0.5649 159.2 2.800 0.7643 148.1 2.223 48.5 0.1064 48.7 0.5668 156.5 3.000 0.7662 145.6 2.088 45.6 0.1141 47.0 0.5660 154.3 3.500 0.7650 139.4 1.810 38.6 0.1321 42.6 0.5699 148.2 4.000 0.7691 132.7 1.614 31.1 0.1504 37.0 0.5728 141.2 4.500 0.7707 126.3 1.467 23.6 0.1670 30.8 0.5731 134.9 5.000 0.7766 119.8 1.339 16.2 0.1822 25.0 0.5830 128.4 5.500 0.7773 112.4 1.219 9.3 0.1960 19.0 0.5843 121.6 6.000 0.7846 106.2 1.141 2.5 0.2085 13.2 0.5961 115.6 ! ! SIEMENS AG Semiconductor Group, Munich