! SIEMENS Discrete & RF Semiconductors ! BFY181 ! Si NPN RF Bipolar Junction Transistor in MICRO-X ! VCE = 5 V IC = 0.5 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 0.9813 -0.5 1.785 179.8 0.0014 87.3 0.9983 -0.2 0.020 0.9793 -1.1 1.817 178.9 0.0028 94.6 0.9999 -0.5 0.050 0.9805 -2.9 1.803 177.7 0.0065 86.4 0.9981 -1.3 0.100 0.9829 -5.5 1.795 175.2 0.0133 88.0 0.9986 -2.8 0.150 0.9841 -8.7 1.797 172.7 0.0199 84.8 0.9980 -4.1 0.200 0.9786 -11.0 1.794 170.0 0.0261 82.3 0.9965 -5.5 0.250 0.9749 -13.9 1.766 167.9 0.0325 81.0 0.9965 -6.9 0.300 0.9754 -16.6 1.776 164.8 0.0389 78.9 0.9924 -8.2 0.400 0.9685 -21.9 1.774 160.0 0.0513 75.0 0.9880 -10.9 0.500 0.9577 -27.4 1.757 154.7 0.0634 71.1 0.9823 -13.6 0.600 0.9459 -32.6 1.722 149.5 0.0749 67.5 0.9748 -16.1 0.700 0.9368 -38.1 1.698 145.6 0.0856 63.6 0.9675 -18.7 0.800 0.9200 -43.4 1.670 140.4 0.0959 60.3 0.9568 -21.1 0.900 0.9077 -48.2 1.655 136.2 0.1060 56.6 0.9485 -23.6 1.000 0.8955 -53.1 1.619 131.8 0.1144 53.2 0.9382 -26.1 1.100 0.8807 -57.9 1.577 127.5 0.1224 50.1 0.9268 -28.3 1.200 0.8671 -62.7 1.540 123.4 0.1301 46.9 0.9192 -30.7 1.300 0.8510 -67.5 1.510 119.2 0.1372 44.0 0.9080 -32.7 1.400 0.8438 -71.9 1.475 115.3 0.1422 41.1 0.8981 -34.9 1.500 0.8274 -76.3 1.455 111.3 0.1481 38.5 0.8887 -36.9 1.600 0.8133 -80.6 1.427 107.6 0.1527 36.1 0.8794 -38.9 1.700 0.7992 -85.2 1.405 104.0 0.1562 33.5 0.8650 -40.8 1.800 0.7808 -89.3 1.369 100.2 0.1598 31.4 0.8584 -42.6 1.900 0.7746 -92.7 1.330 97.1 0.1629 28.7 0.8511 -44.4 2.000 0.7593 -96.7 1.304 92.7 0.1671 26.8 0.8462 -46.1 2.200 0.7381 -103.8 1.253 86.4 0.1712 22.4 0.8347 -49.7 2.400 0.7163 -110.6 1.174 80.4 0.1730 19.0 0.8194 -52.9 2.600 0.6988 -116.8 1.138 74.5 0.1747 15.8 0.8103 -55.9 2.800 0.6854 -122.7 1.080 69.4 0.1761 13.0 0.8039 -58.9 3.000 0.6705 -128.7 1.038 64.0 0.1759 9.9 0.7976 -62.0 3.500 0.6393 -141.9 0.950 51.6 0.1754 4.3 0.7897 -69.0 4.000 0.6187 -154.2 0.872 40.7 0.1713 -0.4 0.7871 -76.4 4.500 0.6011 -166.2 0.811 30.4 0.1657 -3.9 0.7903 -83.8 5.000 0.5886 -177.9 0.755 21.0 0.1583 -6.3 0.7957 -91.6 5.500 0.5762 170.2 0.706 11.7 0.1518 -7.4 0.7993 -99.7 6.000 0.5673 158.9 0.658 4.2 0.1457 -6.9 0.7983 -107.7 ! ! SIEMENS AG Semiconductor Group, Munich