! SIEMENS Discrete & RF Semiconductors ! BFY181 ! Si NPN RF Bipolar Junction Transistor in MICRO-X ! VCE = 0.5 V IC = 0.7 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 0.9759 -0.7 2.446 179.7 0.0018 86.7 0.9988 -0.4 0.020 0.9719 -1.4 2.491 178.7 0.0047 86.4 0.9999 -0.8 0.050 0.9744 -3.6 2.463 177.0 0.0101 85.3 0.9960 -2.0 0.100 0.9722 -7.6 2.457 173.6 0.0206 84.0 0.9944 -4.1 0.150 0.9739 -11.4 2.464 170.5 0.0305 82.4 0.9947 -6.1 0.200 0.9655 -14.9 2.444 166.9 0.0407 79.8 0.9898 -8.0 0.250 0.9617 -18.9 2.407 164.1 0.0507 77.5 0.9870 -10.1 0.300 0.9561 -22.5 2.415 160.3 0.0605 74.9 0.9807 -12.0 0.400 0.9424 -29.7 2.383 154.1 0.0789 69.7 0.9695 -15.8 0.500 0.9221 -36.9 2.326 147.7 0.0962 64.8 0.9534 -19.5 0.600 0.9057 -43.7 2.256 141.3 0.1122 60.3 0.9363 -22.9 0.700 0.8824 -50.5 2.200 136.3 0.1268 55.7 0.9179 -26.2 0.800 0.8588 -56.9 2.128 130.3 0.1395 51.6 0.8975 -29.4 0.900 0.8364 -63.1 2.076 125.3 0.1513 47.3 0.8779 -32.6 1.000 0.8193 -68.7 1.993 120.3 0.1613 43.5 0.8569 -35.5 1.100 0.8016 -74.5 1.922 115.6 0.1697 40.1 0.8381 -38.0 1.200 0.7840 -79.8 1.855 110.8 0.1784 36.3 0.8224 -40.8 1.300 0.7625 -85.2 1.790 106.5 0.1847 33.5 0.8050 -42.9 1.400 0.7478 -90.3 1.725 102.2 0.1901 30.4 0.7886 -45.4 1.500 0.7316 -95.0 1.677 98.1 0.1941 27.9 0.7724 -47.3 1.600 0.7195 -99.8 1.625 94.4 0.1981 25.7 0.7613 -49.3 1.700 0.7042 -104.8 1.582 90.4 0.1991 23.0 0.7416 -51.3 1.800 0.6873 -109.0 1.520 86.9 0.2024 21.3 0.7321 -52.9 1.900 0.6806 -112.3 1.468 83.5 0.2046 18.7 0.7227 -54.8 2.000 0.6676 -116.3 1.427 79.6 0.2082 17.2 0.7174 -56.3 2.200 0.6451 -123.8 1.353 73.3 0.2103 13.1 0.7013 -60.1 2.400 0.6325 -130.0 1.256 67.5 0.2105 10.0 0.6870 -63.3 2.600 0.6220 -136.0 1.201 61.9 0.2099 7.5 0.6768 -66.0 2.800 0.6104 -141.7 1.137 57.0 0.2109 5.1 0.6732 -69.0 3.000 0.6006 -147.7 1.088 51.5 0.2095 2.4 0.6675 -72.1 3.500 0.5764 -159.8 0.984 39.8 0.2096 -1.8 0.6659 -79.2 4.000 0.5691 -171.0 0.899 29.1 0.2060 -6.3 0.6663 -87.0 4.500 0.5599 177.7 0.830 19.1 0.2015 -9.9 0.6730 -94.9 5.000 0.5489 167.3 0.768 10.1 0.1942 -12.8 0.6800 -103.0 5.500 0.5474 156.3 0.717 1.0 0.1875 -14.6 0.6852 -111.4 6.000 0.5494 146.0 0.665 -6.5 0.1811 -15.1 0.6859 -119.7 ! ! SIEMENS AG Semiconductor Group, Munich