! SIEMENS Discrete & RF Semiconductors ! BFY181 ! Si NPN RF Bipolar Junction Transistor in MICRO-X ! VCE = 6 V IC = 12 mA ! Common Emitter S-Parameters: May 1997 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.6776 -2.6 22.392 177.4 0.0012 83.6 0.9777 -0.8 0.020 0.6790 -6.1 22.688 175.6 0.0027 85.7 0.9803 -2.0 0.050 0.6770 -14.4 22.045 170.7 0.0056 78.9 0.9735 -5.3 0.100 0.6655 -29.0 21.536 161.8 0.0108 77.3 0.9488 -10.4 0.150 0.6521 -42.2 20.443 153.5 0.0152 70.9 0.9163 -14.9 0.200 0.6284 -54.4 19.207 146.1 0.0188 66.0 0.8761 -18.7 0.250 0.6051 -66.0 17.911 139.4 0.0225 62.3 0.8342 -22.0 0.300 0.5884 -76.2 16.735 133.1 0.0250 59.2 0.7915 -24.3 0.400 0.5573 -93.4 14.388 123.6 0.0296 53.8 0.7215 -27.8 0.500 0.5307 -107.1 12.489 115.5 0.0327 50.8 0.6657 -30.0 0.600 0.5152 -118.6 10.947 109.1 0.0352 48.9 0.6219 -31.2 0.700 0.5026 -127.5 9.704 104.5 0.0376 48.3 0.5907 -32.1 0.800 0.4949 -134.9 8.620 99.9 0.0395 47.4 0.5661 -32.9 0.900 0.4861 -141.4 7.844 96.3 0.0417 47.4 0.5484 -33.6 1.000 0.4791 -147.0 7.141 92.7 0.0438 47.8 0.5344 -34.4 1.100 0.4824 -151.8 6.553 89.6 0.0455 48.2 0.5225 -35.1 1.200 0.4807 -156.2 6.055 86.6 0.0479 48.5 0.5149 -36.0 1.300 0.4779 -160.3 5.609 84.0 0.0499 48.6 0.5076 -36.8 1.400 0.4826 -163.9 5.241 81.2 0.0516 49.0 0.5024 -37.8 1.500 0.4785 -166.8 4.911 78.7 0.0537 49.6 0.4978 -38.8 1.600 0.4824 -168.9 4.619 76.7 0.0560 50.0 0.4954 -39.9 1.700 0.4759 -171.8 4.369 74.3 0.0578 50.1 0.4922 -41.1 1.800 0.4804 -174.7 4.120 72.5 0.0606 50.7 0.4909 -42.3 1.900 0.4778 -176.1 3.918 70.3 0.0621 50.7 0.4898 -43.4 2.000 0.4800 -178.6 3.743 68.2 0.0649 51.0 0.4893 -44.6 2.200 0.4815 177.3 3.428 64.3 0.0693 51.1 0.4897 -47.2 2.400 0.4833 173.3 3.137 60.7 0.0738 51.4 0.4904 -49.8 2.600 0.4789 170.3 2.919 57.0 0.0787 51.2 0.4925 -52.3 2.800 0.4856 166.7 2.721 53.7 0.0838 51.3 0.4958 -54.9 3.000 0.4843 163.7 2.551 50.1 0.0889 51.0 0.4991 -57.5 3.500 0.4798 156.0 2.220 42.0 0.1015 49.9 0.5093 -64.2 4.000 0.4836 148.8 1.972 33.7 0.1154 48.2 0.5225 -71.1 4.500 0.4846 140.8 1.772 25.7 0.1294 46.2 0.5359 -78.5 5.000 0.4840 133.2 1.609 18.0 0.1437 43.5 0.5508 -86.1 5.500 0.4909 125.7 1.470 10.0 0.1590 40.7 0.5629 -94.0 6.000 0.5003 118.2 1.354 3.0 0.1743 37.4 0.5716 -101.9 ! ! SIEMENS AG Semiconductor Group, Munich