! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 2 V IC = 15 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 0.6092 -5.4 23.291 176.8 0.0015 83.4 0.9376 -1.3 0.020 0.6133 -11.0 23.319 173.9 0.0029 83.1 0.9379 -2.9 0.050 0.6010 -26.2 22.709 164.2 0.0072 79.3 0.9167 -7.6 0.100 0.5707 -50.5 20.617 150.1 0.0127 67.0 0.8647 -13.8 0.150 0.5386 -71.4 18.341 138.2 0.0177 61.2 0.7994 -18.1 0.200 0.5143 -88.6 16.163 128.9 0.0207 56.3 0.7424 -20.6 0.250 0.4966 -102.2 14.118 121.4 0.0229 53.5 0.6957 -22.1 0.300 0.4796 -114.6 12.505 115.6 0.0254 51.4 0.6576 -22.8 0.400 0.4625 -132.3 10.047 106.1 0.0285 49.7 0.6066 -23.3 0.500 0.4514 -145.9 8.278 99.1 0.0313 48.9 0.5764 -23.5 0.600 0.4480 -156.4 7.074 93.5 0.0342 49.6 0.5566 -23.8 0.700 0.4475 -165.1 6.079 88.8 0.0369 51.3 0.5427 -24.2 0.800 0.4435 -172.1 5.402 84.5 0.0394 51.1 0.5340 -24.8 0.900 0.4464 -178.7 4.852 81.1 0.0427 51.7 0.5271 -25.6 1.000 0.4512 175.4 4.369 77.5 0.0453 52.7 0.5216 -26.5 1.100 0.4533 170.4 4.004 74.1 0.0491 53.1 0.5175 -27.6 1.200 0.4518 165.3 3.663 71.2 0.0517 53.2 0.5143 -28.8 1.300 0.4611 161.5 3.376 68.3 0.0547 53.2 0.5112 -30.1 1.400 0.4640 156.6 3.149 65.5 0.0580 53.6 0.5085 -31.4 1.500 0.4720 153.2 2.941 62.3 0.0609 53.4 0.5068 -32.6 1.600 0.4737 149.0 2.762 59.8 0.0646 53.6 0.5045 -34.1 1.700 0.4807 145.5 2.600 57.1 0.0679 53.5 0.5019 -35.7 1.800 0.4921 142.0 2.459 54.5 0.0710 53.3 0.4992 -37.1 1.900 0.4941 138.9 2.331 52.1 0.0742 52.3 0.4974 -38.7 2.000 0.5014 135.5 2.202 49.5 0.0776 52.2 0.4955 -40.3 2.200 0.5179 129.7 2.005 44.5 0.0838 51.5 0.4905 -43.7 2.400 0.5346 123.7 1.841 39.9 0.0905 50.3 0.4857 -47.2 2.600 0.5532 118.6 1.689 35.4 0.0969 49.2 0.4791 -50.9 2.800 0.5660 113.9 1.566 30.5 0.1029 47.7 0.4747 -54.7 3.000 0.5862 109.0 1.458 26.3 0.1092 46.6 0.4676 -58.5 3.500 0.6279 98.9 1.237 15.8 0.1245 43.1 0.4566 -69.2 4.000 0.6651 90.7 1.067 6.2 0.1397 39.2 0.4456 -80.7 4.500 0.6946 83.0 0.928 -2.8 0.1541 35.2 0.4388 -93.2 5.000 0.7197 77.5 0.820 -10.6 0.1687 31.6 0.4370 -105.6 5.500 0.7416 71.9 0.725 -18.3 0.1850 27.5 0.4470 -118.1 6.000 0.7655 66.9 0.649 -25.2 0.1998 22.9 0.4635 -130.2 ! ! SIEMENS AG Semiconductor Group, Munich