! SIEMENS Discrete & RF Semiconductors ! BFY181 ! Si NPN RF Bipolar Junction Transistor in MICRO-X ! VCE = 2 V IC = 0.6 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 0.9771 -0.5 2.122 179.8 0.0015 91.8 0.9982 -0.3 0.020 0.9776 -1.1 2.179 178.9 0.0033 93.3 0.9999 -0.6 0.050 0.9771 -2.9 2.122 177.6 0.0070 83.5 0.9979 -1.5 0.100 0.9781 -6.1 2.125 174.8 0.0142 86.5 0.9991 -2.9 0.150 0.9802 -9.4 2.132 172.2 0.0212 84.0 0.9986 -4.6 0.200 0.9723 -12.0 2.104 169.2 0.0279 81.4 0.9952 -6.0 0.250 0.9666 -15.3 2.112 166.9 0.0351 80.3 0.9945 -7.5 0.300 0.9674 -18.4 2.127 163.7 0.0414 77.6 0.9894 -9.0 0.400 0.9596 -24.3 2.080 158.5 0.0552 73.8 0.9833 -11.9 0.500 0.9456 -30.5 2.058 152.9 0.0675 69.4 0.9759 -14.7 0.600 0.9358 -36.3 2.043 147.3 0.0792 65.5 0.9659 -17.5 0.700 0.9187 -42.1 2.006 143.1 0.0905 61.5 0.9563 -20.2 0.800 0.9018 -47.9 1.950 137.7 0.1004 57.9 0.9427 -22.9 0.900 0.8869 -52.6 1.905 133.5 0.1104 53.9 0.9323 -25.4 1.000 0.8702 -58.2 1.856 128.8 0.1189 50.8 0.9198 -27.9 1.100 0.8555 -63.3 1.814 124.3 0.1266 47.5 0.9075 -30.1 1.200 0.8421 -68.5 1.767 120.0 0.1344 44.2 0.8967 -32.6 1.300 0.8226 -73.7 1.729 115.9 0.1405 41.2 0.8830 -34.7 1.400 0.8088 -78.2 1.681 111.7 0.1454 38.2 0.8705 -37.0 1.500 0.7938 -82.9 1.648 107.7 0.1502 35.7 0.8586 -38.9 1.600 0.7787 -87.5 1.605 104.1 0.1544 33.4 0.8492 -40.9 1.700 0.7719 -91.8 1.559 100.4 0.1573 30.9 0.8354 -42.7 1.800 0.7506 -96.0 1.511 96.7 0.1614 28.9 0.8291 -44.3 1.900 0.7418 -99.4 1.472 93.4 0.1634 26.4 0.8212 -46.2 2.000 0.7242 -103.8 1.443 89.4 0.1671 24.6 0.8151 -47.8 2.200 0.7056 -110.9 1.363 83.1 0.1697 20.4 0.8010 -51.4 2.400 0.6855 -117.9 1.287 77.2 0.1710 17.2 0.7875 -54.5 2.600 0.6701 -123.6 1.227 71.5 0.1716 14.2 0.7769 -57.5 2.800 0.6555 -130.1 1.175 66.4 0.1734 11.6 0.7727 -60.4 3.000 0.6447 -135.7 1.117 61.1 0.1717 8.9 0.7651 -63.5 3.500 0.6151 -148.8 1.014 49.1 0.1712 4.2 0.7592 -70.5 4.000 0.5997 -160.8 0.933 38.2 0.1670 0.0 0.7574 -77.8 4.500 0.5853 -172.8 0.863 28.2 0.1629 -3.0 0.7635 -85.3 5.000 0.5715 176.1 0.793 18.9 0.1570 -4.8 0.7698 -93.1 5.500 0.5628 164.5 0.742 9.6 0.1511 -5.0 0.7723 -101.3 6.000 0.5564 153.1 0.691 1.7 0.1478 -4.3 0.7738 -109.3 ! ! SIEMENS AG Semiconductor Group, Munich