! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 3 V IC = 3.5 mA ! Common Emitter S-Parameters: August 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.8915 -1.5 10.296 177.7 0.0014 94.4 0.9933 -0.7 0.020 0.8889 -3.3 10.287 177.5 0.0033 86.7 0.9992 -1.5 0.050 0.8886 -8.0 10.124 173.3 0.0077 85.3 0.9895 -3.5 0.100 0.8747 -15.4 9.972 168.6 0.0159 82.4 0.9827 -7.1 0.150 0.8642 -22.4 9.768 162.2 0.0234 76.9 0.9684 -10.6 0.200 0.8471 -29.7 9.612 157.5 0.0305 73.4 0.9509 -13.8 0.250 0.8286 -36.8 9.353 152.2 0.0364 68.5 0.9286 -16.8 0.300 0.8042 -43.6 9.024 147.3 0.0424 65.8 0.9078 -19.7 0.400 0.7547 -56.2 8.439 139.0 0.0531 59.5 0.8569 -24.6 0.500 0.7026 -67.5 7.726 130.4 0.0610 54.5 0.8074 -28.7 0.600 0.6674 -78.7 7.149 123.6 0.0682 49.9 0.7623 -32.0 0.700 0.6305 -87.9 6.603 117.5 0.0731 46.7 0.7218 -34.7 0.800 0.5964 -96.7 6.064 112.0 0.0780 43.5 0.6852 -36.8 0.900 0.5643 -104.8 5.607 106.8 0.0815 41.5 0.6537 -38.5 1.000 0.5423 -112.9 5.228 102.4 0.0838 39.6 0.6284 -40.1 1.100 0.5225 -120.4 4.896 98.3 0.0868 37.9 0.6054 -41.8 1.200 0.5020 -126.9 4.579 94.5 0.0893 36.8 0.5853 -43.2 1.300 0.4927 -132.8 4.286 91.1 0.0915 35.9 0.5693 -44.2 1.400 0.4793 -138.9 4.016 87.8 0.0931 35.0 0.5565 -45.5 1.500 0.4726 -143.7 3.818 84.8 0.0949 34.4 0.5433 -46.6 1.600 0.4640 -150.0 3.594 81.3 0.0972 34.0 0.5313 -47.7 1.700 0.4605 -155.2 3.430 78.4 0.0985 33.6 0.5193 -48.7 1.800 0.4513 -160.7 3.268 75.8 0.1004 33.3 0.5139 -49.6 1.900 0.4538 -165.3 3.127 73.0 0.1018 33.1 0.5072 -51.1 2.000 0.4462 -169.7 2.971 70.4 0.1042 33.0 0.4981 -52.2 2.200 0.4468 -178.1 2.726 65.3 0.1074 32.6 0.4897 -54.4 2.400 0.4471 174.2 2.533 60.4 0.1106 32.4 0.4769 -57.3 2.600 0.4504 166.8 2.347 55.9 0.1140 32.1 0.4709 -59.5 2.800 0.4566 159.9 2.197 51.6 0.1175 32.2 0.4605 -62.4 3.000 0.4666 154.0 2.060 47.3 0.1216 32.3 0.4595 -64.9 3.500 0.4941 140.3 1.777 37.4 0.1327 31.7 0.4498 -73.4 4.000 0.5305 129.4 1.560 28.0 0.1430 30.7 0.4395 -82.8 4.500 0.5602 120.7 1.389 19.3 0.1546 29.4 0.4407 -92.4 5.000 0.5862 112.9 1.249 11.1 0.1655 28.0 0.4540 -103.0 5.500 0.6066 106.9 1.113 3.8 0.1767 26.1 0.4610 -112.6 6.000 0.6194 101.5 1.011 -2.9 0.1885 24.6 0.4827 -120.6 ! ! SIEMENS AG Semiconductor Group, Munich