! SIEMENS Discrete & RF Semiconductors ! BFY181 ! Si NPN RF Bipolar Junction Transistor in MICRO-X ! VCE = 2 V IC = 0.3 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 0.9883 -0.4 1.115 179.9 0.0012 89.1 0.9996 -0.2 0.020 0.9863 -1.1 1.133 179.1 0.0030 90.9 0.9999 -0.6 0.050 0.9875 -2.5 1.122 177.7 0.0073 85.6 0.9985 -1.3 0.100 0.9901 -5.1 1.132 175.3 0.0136 86.3 0.9983 -2.6 0.150 0.9908 -7.6 1.120 172.9 0.0211 85.2 0.9999 -3.9 0.200 0.9892 -9.9 1.120 170.3 0.0279 83.0 0.9981 -5.1 0.250 0.9844 -12.5 1.112 168.0 0.0353 81.4 0.9980 -6.5 0.300 0.9835 -14.9 1.112 165.0 0.0421 79.3 0.9953 -7.7 0.400 0.9742 -19.8 1.113 160.2 0.0562 76.1 0.9929 -10.2 0.500 0.9684 -24.8 1.113 154.9 0.0690 72.1 0.9877 -12.7 0.600 0.9611 -29.2 1.093 149.8 0.0814 68.6 0.9839 -15.2 0.700 0.9541 -34.3 1.079 145.8 0.0939 65.3 0.9774 -17.6 0.800 0.9433 -38.9 1.061 140.6 0.1052 62.0 0.9700 -20.0 0.900 0.9295 -43.6 1.063 136.4 0.1168 58.3 0.9646 -22.5 1.000 0.9205 -48.3 1.052 131.9 0.1271 54.9 0.9570 -24.9 1.100 0.9123 -52.7 1.036 127.6 0.1366 51.8 0.9495 -27.1 1.200 0.9014 -57.3 1.012 123.3 0.1458 48.6 0.9416 -29.5 1.300 0.8902 -61.9 0.998 119.0 0.1541 45.6 0.9330 -31.6 1.400 0.8806 -65.8 0.981 115.0 0.1611 42.7 0.9247 -33.8 1.500 0.8651 -70.4 0.969 111.0 0.1683 40.0 0.9173 -35.8 1.600 0.8533 -74.4 0.958 107.1 0.1744 37.4 0.9098 -37.9 1.700 0.8452 -78.8 0.954 103.1 0.1791 34.7 0.8979 -39.9 1.800 0.8265 -82.9 0.938 98.9 0.1840 32.4 0.8918 -41.7 1.900 0.8206 -86.2 0.921 95.7 0.1881 29.6 0.8865 -43.6 2.000 0.8043 -90.0 0.909 91.2 0.1936 27.5 0.8820 -45.4 2.200 0.7864 -97.0 0.879 84.5 0.1999 22.7 0.8715 -49.2 2.400 0.7652 -103.8 0.836 77.9 0.2022 18.7 0.8567 -52.6 2.600 0.7528 -110.1 0.814 71.6 0.2060 15.1 0.8499 -55.8 2.800 0.7374 -116.0 0.786 66.3 0.2076 11.6 0.8419 -59.0 3.000 0.7223 -121.8 0.754 60.4 0.2084 8.0 0.8367 -62.3 3.500 0.6893 -135.0 0.709 47.4 0.2093 1.1 0.8295 -69.7 4.000 0.6707 -147.6 0.657 35.7 0.2042 -5.1 0.8257 -77.4 4.500 0.6485 -159.7 0.622 25.4 0.1963 -10.3 0.8275 -85.2 5.000 0.6329 -172.0 0.582 16.0 0.1863 -14.6 0.8336 -93.1 5.500 0.6205 175.9 0.548 6.5 0.1746 -17.7 0.8360 -101.5 6.000 0.6111 164.0 0.515 -1.1 0.1622 -18.9 0.8343 -109.8 ! ! SIEMENS AG Semiconductor Group, Munich