! SIEMENS Discrete & RF Semiconductors ! BFY181 ! Si NPN RF Bipolar Junction Transistor in MICRO-X ! VCE = 3.5 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 0.9783 -0.6 2.132 179.7 0.0012 83.0 0.9986 -0.3 0.020 0.9773 -1.1 2.172 178.9 0.0028 92.5 0.9999 -0.7 0.050 0.9806 -2.9 2.118 177.6 0.0065 84.2 0.9989 -1.5 0.100 0.9806 -6.0 2.138 175.0 0.0135 86.7 0.9959 -2.9 0.150 0.9803 -9.1 2.116 172.4 0.0201 84.6 0.9982 -4.4 0.200 0.9767 -12.0 2.106 169.5 0.0263 82.2 0.9949 -5.8 0.250 0.9710 -14.9 2.117 167.1 0.0331 80.8 0.9947 -7.3 0.300 0.9687 -17.9 2.115 164.0 0.0399 77.8 0.9907 -8.7 0.400 0.9578 -23.6 2.080 159.0 0.0524 74.0 0.9869 -11.6 0.500 0.9510 -29.7 2.079 153.5 0.0644 69.8 0.9787 -14.3 0.600 0.9367 -35.5 2.049 148.1 0.0756 66.2 0.9690 -17.0 0.700 0.9227 -41.0 1.996 144.0 0.0861 62.2 0.9589 -19.7 0.800 0.9068 -46.5 1.946 138.7 0.0963 58.8 0.9482 -22.3 0.900 0.8908 -51.6 1.912 134.5 0.1060 55.0 0.9370 -24.8 1.000 0.8755 -57.0 1.882 129.9 0.1144 51.6 0.9253 -27.2 1.100 0.8619 -62.0 1.835 125.5 0.1214 48.5 0.9121 -29.4 1.200 0.8471 -67.1 1.788 121.2 0.1286 45.0 0.9013 -31.9 1.300 0.8294 -72.2 1.747 117.2 0.1350 42.2 0.8885 -34.0 1.400 0.8156 -76.9 1.699 113.1 0.1399 39.2 0.8767 -36.2 1.500 0.8000 -81.2 1.662 109.2 0.1449 36.6 0.8663 -38.1 1.600 0.7860 -85.5 1.614 105.6 0.1492 34.4 0.8571 -40.1 1.700 0.7784 -89.9 1.574 102.0 0.1522 32.0 0.8441 -41.9 1.800 0.7552 -94.4 1.540 98.2 0.1558 29.9 0.8370 -43.6 1.900 0.7467 -98.0 1.498 95.0 0.1583 27.3 0.8287 -45.4 2.000 0.7314 -101.9 1.469 91.0 0.1615 25.6 0.8221 -47.1 2.200 0.7124 -109.0 1.385 84.8 0.1653 21.4 0.8110 -50.6 2.400 0.6897 -116.0 1.309 78.7 0.1659 18.1 0.7949 -53.7 2.600 0.6757 -122.0 1.244 73.1 0.1674 15.3 0.7865 -56.7 2.800 0.6578 -128.2 1.195 68.0 0.1683 12.6 0.7795 -59.6 3.000 0.6499 -133.8 1.134 62.8 0.1677 9.8 0.7743 -62.6 3.500 0.6163 -146.8 1.029 50.7 0.1670 5.0 0.7677 -69.5 4.000 0.6002 -159.0 0.945 39.9 0.1624 1.0 0.7644 -76.9 4.500 0.5841 -171.1 0.879 30.0 0.1581 -1.8 0.7689 -84.3 5.000 0.5715 177.9 0.809 20.6 0.1527 -3.6 0.7761 -92.0 5.500 0.5611 166.1 0.754 11.3 0.1473 -3.8 0.7784 -100.1 6.000 0.5545 154.7 0.707 3.5 0.1442 -2.8 0.7788 -108.1 ! ! SIEMENS AG Semiconductor Group, Munich