! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 1.75 V IC = 2.5 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 0.9176 -1.4 7.830 177.9 0.0014 95.8 0.9942 -0.5 0.020 0.9210 -2.7 7.790 177.9 0.0027 88.2 0.9999 -1.4 0.050 0.9150 -6.6 7.703 174.1 0.0088 85.1 0.9913 -3.1 0.100 0.9036 -13.2 7.632 170.0 0.0170 82.7 0.9861 -6.2 0.150 0.8956 -19.1 7.495 164.2 0.0250 77.5 0.9780 -9.3 0.200 0.8848 -25.6 7.424 160.0 0.0332 74.9 0.9638 -12.3 0.250 0.8695 -31.6 7.318 155.2 0.0407 70.7 0.9462 -15.1 0.300 0.8455 -37.8 7.086 150.7 0.0476 67.8 0.9317 -17.8 0.400 0.8107 -48.7 6.727 143.0 0.0597 61.8 0.8910 -22.6 0.500 0.7609 -59.4 6.268 134.7 0.0701 56.4 0.8493 -26.7 0.600 0.7245 -69.7 5.900 128.0 0.0784 51.5 0.8088 -30.3 0.700 0.6932 -78.6 5.516 121.8 0.0856 47.6 0.7710 -33.4 0.800 0.6521 -87.1 5.114 116.1 0.0912 44.2 0.7339 -35.9 0.900 0.6214 -94.7 4.777 110.7 0.0958 41.2 0.7033 -38.1 1.000 0.5895 -102.5 4.494 106.1 0.0992 38.9 0.6757 -40.0 1.100 0.5707 -110.1 4.243 101.7 0.1028 36.8 0.6515 -42.0 1.200 0.5470 -116.9 3.984 97.6 0.1058 34.9 0.6300 -43.8 1.300 0.5333 -123.0 3.750 94.0 0.1084 33.4 0.6119 -45.1 1.400 0.5148 -128.8 3.526 90.4 0.1097 31.9 0.5964 -46.6 1.500 0.5092 -134.4 3.368 87.2 0.1113 30.8 0.5816 -47.9 1.600 0.4940 -140.3 3.176 83.5 0.1135 30.0 0.5675 -49.0 1.700 0.4850 -146.0 3.044 80.5 0.1148 29.2 0.5539 -50.2 1.800 0.4755 -151.5 2.903 77.6 0.1164 28.7 0.5471 -51.3 1.900 0.4751 -156.4 2.789 74.6 0.1180 27.9 0.5384 -52.9 2.000 0.4655 -161.1 2.658 71.7 0.1192 27.6 0.5279 -54.1 2.200 0.4629 -169.8 2.442 66.4 0.1222 26.5 0.5172 -56.4 2.400 0.4607 -178.4 2.279 61.1 0.1243 26.0 0.5024 -59.3 2.600 0.4614 173.2 2.115 56.3 0.1262 25.4 0.4942 -61.6 2.800 0.4654 166.1 1.987 51.8 0.1286 25.3 0.4826 -64.5 3.000 0.4736 159.6 1.863 47.2 0.1312 25.2 0.4802 -67.0 3.500 0.4994 144.9 1.612 36.8 0.1407 24.5 0.4702 -75.5 4.000 0.5324 133.0 1.420 27.0 0.1478 23.8 0.4596 -85.0 4.500 0.5605 123.4 1.268 18.0 0.1565 22.8 0.4610 -94.5 5.000 0.5859 114.9 1.136 9.6 0.1652 22.0 0.4754 -105.0 5.500 0.6104 108.9 1.014 2.0 0.1744 21.0 0.4818 -114.6 6.000 0.6201 103.1 0.921 -4.9 0.1853 20.1 0.5039 -122.6 ! ! SIEMENS AG Semiconductor Group, Munich