! SIEMENS Discrete & RF Semiconductors ! BFY181 ! Si NPN RF Bipolar Junction Transistor in MICRO-X ! VCE = 1 V IC = 0.4 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 0.9866 -0.7 1.463 179.7 0.0017 89.0 0.9999 -0.3 0.020 0.9875 -1.0 1.496 179.1 0.0036 86.3 0.9999 -0.7 0.050 0.9840 -2.7 1.456 177.6 0.0079 86.7 0.9997 -1.4 0.100 0.9831 -5.6 1.469 174.9 0.0160 87.0 0.9981 -2.9 0.150 0.9890 -8.4 1.456 172.3 0.0243 84.6 0.9988 -4.4 0.200 0.9817 -11.2 1.448 169.3 0.0323 82.2 0.9959 -5.8 0.250 0.9801 -14.2 1.454 166.9 0.0401 80.6 0.9955 -7.4 0.300 0.9765 -16.9 1.459 163.9 0.0479 78.1 0.9925 -8.7 0.400 0.9705 -22.4 1.431 158.7 0.0634 74.2 0.9886 -11.6 0.500 0.9555 -27.9 1.433 153.1 0.0783 70.2 0.9812 -14.4 0.600 0.9475 -33.3 1.423 147.6 0.0920 66.2 0.9732 -17.2 0.700 0.9382 -38.8 1.387 143.3 0.1053 62.4 0.9641 -20.0 0.800 0.9220 -43.8 1.361 138.0 0.1180 58.8 0.9542 -22.6 0.900 0.9101 -48.8 1.339 133.4 0.1302 55.0 0.9456 -25.2 1.000 0.8973 -53.9 1.321 128.7 0.1408 51.6 0.9343 -27.7 1.100 0.8829 -59.0 1.298 124.2 0.1505 48.3 0.9230 -30.1 1.200 0.8673 -63.8 1.270 119.6 0.1598 44.8 0.9134 -32.7 1.300 0.8534 -68.6 1.247 115.5 0.1677 41.9 0.9009 -34.9 1.400 0.8421 -73.0 1.222 111.2 0.1745 38.6 0.8903 -37.3 1.500 0.8299 -77.5 1.197 107.1 0.1810 35.9 0.8799 -39.3 1.600 0.8128 -81.6 1.169 103.2 0.1860 33.4 0.8704 -41.4 1.700 0.8066 -86.1 1.144 99.3 0.1904 30.7 0.8570 -43.3 1.800 0.7844 -90.4 1.127 95.3 0.1956 28.6 0.8509 -45.1 1.900 0.7758 -93.8 1.103 92.0 0.1994 25.8 0.8433 -47.1 2.000 0.7603 -98.0 1.082 87.7 0.2038 23.8 0.8375 -48.8 2.200 0.7419 -104.9 1.031 80.8 0.2087 19.1 0.8245 -52.6 2.400 0.7207 -111.9 0.984 74.5 0.2102 15.4 0.8085 -56.0 2.600 0.7083 -117.8 0.944 68.5 0.2125 12.0 0.7999 -59.1 2.800 0.6924 -124.0 0.911 63.1 0.2138 8.8 0.7935 -62.3 3.000 0.6825 -129.8 0.868 57.4 0.2136 5.5 0.7872 -65.5 3.500 0.6499 -142.7 0.803 44.8 0.2142 -0.7 0.7819 -72.8 4.000 0.6329 -155.3 0.743 33.4 0.2080 -6.5 0.7778 -80.6 4.500 0.6173 -167.3 0.698 23.2 0.2010 -11.2 0.7819 -88.4 5.000 0.6044 -178.7 0.647 13.7 0.1917 -15.3 0.7889 -96.5 5.500 0.5980 169.5 0.606 4.3 0.1801 -17.7 0.7901 -104.9 6.000 0.5879 157.9 0.570 -3.0 0.1694 -18.7 0.7898 -113.2 ! ! SIEMENS AG Semiconductor Group, Munich