! SIEMENS Small Signal Semiconductors ! BFR181 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 1.75 V IC = 0.6 mA ! Common Emitter S-Parameters: May 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9774 -0.7 2.182 179.8 0.0016 93.2 0.9995 -0.3 0.020 0.9763 -1.2 2.138 178.5 0.0036 82.7 0.9929 -0.6 0.050 0.9771 -3.3 2.167 176.9 0.0089 87.3 0.9994 -1.6 0.100 0.9731 -6.8 2.192 173.7 0.0185 85.0 0.9976 -3.1 0.150 0.9665 -9.9 2.145 169.6 0.0273 82.9 0.9937 -4.7 0.200 0.9631 -13.2 2.175 166.4 0.0367 81.0 0.9907 -6.3 0.250 0.9564 -16.4 2.178 163.0 0.0452 78.3 0.9883 -7.9 0.300 0.9456 -19.8 2.130 159.5 0.0536 76.4 0.9820 -9.4 0.400 0.9284 -26.2 2.113 153.7 0.0699 72.2 0.9719 -12.3 0.500 0.8965 -32.7 2.078 146.2 0.0850 68.1 0.9565 -15.2 0.600 0.8718 -39.1 2.024 140.5 0.0992 64.1 0.9398 -18.0 0.700 0.8438 -44.7 1.974 134.7 0.1120 60.4 0.9231 -20.6 0.800 0.8101 -51.1 1.918 128.6 0.1227 56.7 0.9048 -22.9 0.900 0.7735 -56.8 1.885 122.7 0.1325 53.5 0.8857 -25.2 1.000 0.7363 -63.2 1.852 117.6 0.1400 50.4 0.8660 -27.4 1.100 0.7018 -69.2 1.814 112.6 0.1471 47.9 0.8471 -29.4 1.200 0.6648 -74.9 1.760 107.6 0.1532 45.1 0.8292 -31.5 1.300 0.6345 -80.4 1.704 103.1 0.1575 43.1 0.8105 -33.1 1.400 0.5984 -85.9 1.642 98.6 0.1607 41.1 0.7945 -35.0 1.500 0.5705 -92.0 1.613 94.5 0.1640 39.6 0.7789 -36.4 1.600 0.5330 -98.2 1.552 89.6 0.1669 38.1 0.7672 -37.8 1.700 0.5010 -104.9 1.538 85.7 0.1678 37.3 0.7502 -39.3 1.800 0.4663 -111.3 1.509 81.5 0.1704 36.7 0.7383 -40.6 1.900 0.4467 -117.9 1.481 77.7 0.1701 36.0 0.7251 -42.1 2.000 0.4183 -124.5 1.440 73.7 0.1715 35.5 0.7154 -43.3 2.200 0.3868 -137.4 1.356 66.8 0.1725 35.2 0.6960 -46.4 2.400 0.3523 -152.8 1.308 59.9 0.1729 36.5 0.6746 -49.2 2.600 0.3359 -168.1 1.245 54.1 0.1770 37.9 0.6599 -52.1 2.800 0.3268 177.0 1.203 48.2 0.1812 40.0 0.6477 -55.6 3.000 0.3356 163.7 1.149 42.5 0.1867 42.1 0.6335 -59.1 3.500 0.3786 134.5 1.035 30.6 0.2160 47.1 0.6116 -70.4 4.000 0.4356 115.1 0.943 20.1 0.2672 49.7 0.5828 -84.9 4.500 0.4904 101.1 0.875 11.9 0.3330 47.7 0.5589 -102.1 5.000 0.5333 90.4 0.813 4.7 0.4030 42.5 0.5409 -121.4 5.500 0.5689 81.9 0.751 -0.7 0.4703 35.1 0.5237 -141.9 6.000 0.5915 74.4 0.715 -5.6 0.5297 26.7 0.5137 -162.2 ! ! SIEMENS AG Semiconductor Group, Munich