! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 1 V IC = 2.5 mA ! Common Emitter S-Parameters: March 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9118 -1.5 7.834 179.2 0.0014 83.0 0.9943 -0.5 0.020 0.9206 -2.8 7.821 178.5 0.0034 88.6 0.9917 -1.2 0.050 0.9095 -6.7 7.813 174.7 0.0087 88.4 0.9915 -3.1 0.100 0.9039 -13.5 7.727 169.5 0.0164 81.5 0.9860 -6.2 0.150 0.8924 -20.3 7.619 164.2 0.0248 77.9 0.9749 -9.2 0.200 0.8724 -27.1 7.575 158.9 0.0320 74.7 0.9625 -12.1 0.250 0.8556 -33.1 7.381 154.0 0.0393 70.7 0.9456 -15.0 0.300 0.8377 -39.3 7.187 149.8 0.0464 66.8 0.9281 -17.6 0.400 0.7916 -51.4 6.807 140.0 0.0579 60.8 0.8881 -22.3 0.500 0.7344 -63.0 6.343 131.7 0.0680 54.7 0.8438 -26.4 0.600 0.6904 -73.2 5.938 124.5 0.0761 50.2 0.8023 -29.9 0.700 0.6463 -82.8 5.461 118.0 0.0825 46.5 0.7640 -32.6 0.800 0.6020 -92.5 5.126 111.8 0.0878 42.7 0.7301 -34.9 0.900 0.5647 -101.5 4.787 106.2 0.0924 39.6 0.6981 -36.9 1.000 0.5333 -110.8 4.451 100.9 0.0957 37.1 0.6697 -38.8 1.100 0.5046 -119.5 4.193 96.0 0.0990 34.9 0.6461 -40.4 1.200 0.4807 -127.2 3.912 91.8 0.1020 32.6 0.6257 -42.0 1.300 0.4682 -134.6 3.674 87.7 0.1037 31.2 0.6066 -43.3 1.400 0.4471 -141.9 3.470 83.9 0.1061 29.6 0.5907 -44.7 1.500 0.4425 -149.7 3.298 79.8 0.1080 28.7 0.5759 -45.7 1.600 0.4311 -156.4 3.116 76.4 0.1101 27.5 0.5651 -46.8 1.700 0.4260 -164.4 2.963 72.8 0.1115 26.7 0.5525 -48.2 1.800 0.4196 -171.1 2.824 69.2 0.1129 25.9 0.5410 -49.3 1.900 0.4212 -177.6 2.696 66.0 0.1145 25.0 0.5307 -50.5 2.000 0.4173 176.3 2.565 62.9 0.1160 24.6 0.5231 -51.7 2.200 0.4256 165.6 2.352 56.9 0.1188 23.1 0.5083 -54.4 2.400 0.4347 154.8 2.178 51.2 0.1214 22.0 0.4937 -57.1 2.600 0.4512 145.5 2.011 45.8 0.1244 21.2 0.4803 -60.0 2.800 0.4685 137.4 1.876 40.2 0.1271 20.4 0.4707 -63.0 3.000 0.4884 129.9 1.757 35.2 0.1301 19.4 0.4593 -66.2 3.500 0.5366 113.9 1.498 23.3 0.1384 17.7 0.4444 -75.1 4.000 0.5827 102.3 1.300 12.4 0.1459 15.4 0.4306 -85.3 4.500 0.6239 92.4 1.137 2.2 0.1532 13.3 0.4227 -96.5 5.000 0.6569 84.7 1.008 -6.4 0.1604 11.9 0.4209 -107.7 5.500 0.6817 78.5 0.901 -14.8 0.1720 10.0 0.4313 -119.1 6.000 0.7118 72.6 0.810 -22.9 0.1823 7.6 0.4467 -130.6 ! ! SIEMENS AG Semiconductor Group, Munich