! SIEMENS Discrete & RF Semiconductors ! BFY181 ! Si NPN RF Bipolar Junction Transistor in MICRO-X ! VCE = 0.75 V IC = 1.5 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 0.9475 -1.0 4.873 179.5 0.0016 88.7 0.9952 -0.5 0.020 0.9408 -2.0 5.001 178.5 0.0038 90.8 0.9980 -1.0 0.050 0.9467 -5.1 4.921 176.2 0.0085 87.0 0.9939 -2.4 0.100 0.9417 -10.5 4.902 172.2 0.0178 84.6 0.9912 -5.0 0.150 0.9359 -15.6 4.904 168.2 0.0261 81.1 0.9875 -7.5 0.200 0.9304 -20.5 4.800 164.1 0.0344 77.2 0.9802 -9.9 0.250 0.9230 -25.5 4.737 160.5 0.0428 74.2 0.9713 -12.3 0.300 0.9106 -30.4 4.738 156.1 0.0504 71.1 0.9598 -14.6 0.400 0.8853 -39.9 4.558 148.9 0.0650 65.7 0.9370 -19.0 0.500 0.8573 -49.3 4.367 141.6 0.0774 59.9 0.9088 -23.0 0.600 0.8264 -57.9 4.186 134.6 0.0885 55.2 0.8792 -26.5 0.700 0.7988 -66.2 3.989 129.4 0.0978 50.5 0.8493 -29.8 0.800 0.7679 -73.8 3.765 123.2 0.1056 46.4 0.8203 -32.8 0.900 0.7430 -80.6 3.579 118.4 0.1128 42.7 0.7934 -35.6 1.000 0.7195 -87.0 3.386 113.5 0.1179 39.3 0.7683 -38.1 1.100 0.7033 -93.6 3.209 109.0 0.1227 36.5 0.7462 -40.2 1.200 0.6788 -99.5 3.049 104.5 0.1273 33.6 0.7277 -42.5 1.300 0.6594 -105.5 2.902 100.6 0.1303 31.4 0.7083 -44.2 1.400 0.6506 -110.6 2.764 96.5 0.1323 29.1 0.6919 -46.2 1.500 0.6327 -115.4 2.653 92.8 0.1343 27.2 0.6760 -47.7 1.600 0.6189 -120.2 2.521 89.6 0.1361 25.8 0.6649 -49.4 1.700 0.6136 -124.8 2.419 86.3 0.1365 24.1 0.6489 -51.0 1.800 0.5993 -128.4 2.303 83.3 0.1382 22.9 0.6419 -52.3 1.900 0.5957 -132.0 2.211 80.4 0.1394 21.2 0.6342 -53.9 2.000 0.5844 -136.2 2.134 77.0 0.1408 20.4 0.6287 -55.2 2.200 0.5708 -143.0 1.983 71.5 0.1419 17.9 0.6159 -58.3 2.400 0.5618 -148.7 1.829 66.6 0.1426 16.4 0.6078 -61.0 2.600 0.5548 -154.3 1.726 61.6 0.1423 15.4 0.6003 -63.5 2.800 0.5471 -159.4 1.618 57.4 0.1443 14.4 0.5994 -66.2 3.000 0.5430 -164.8 1.533 52.5 0.1436 13.3 0.5957 -69.0 3.500 0.5283 -176.0 1.360 42.3 0.1471 12.1 0.5979 -75.7 4.000 0.5227 173.5 1.224 32.4 0.1500 10.8 0.6029 -82.9 4.500 0.5199 163.7 1.115 23.2 0.1534 9.8 0.6129 -90.5 5.000 0.5143 153.9 1.021 14.6 0.1574 9.4 0.6229 -98.4 5.500 0.5122 144.0 0.944 5.8 0.1624 9.2 0.6290 -106.4 6.000 0.5187 134.4 0.876 -1.8 0.1694 8.7 0.6346 -114.5 ! ! SIEMENS AG Semiconductor Group, Munich