! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 8 V IC = 2 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 0.9435 -1.0 6.351 179.1 0.0012 84.5 0.9962 -0.4 0.020 0.9431 -1.9 6.385 178.7 0.0025 91.1 0.9910 -0.9 0.050 0.9444 -4.5 6.333 175.9 0.0067 90.0 0.9933 -2.3 0.100 0.9337 -9.5 6.240 172.0 0.0126 82.3 0.9930 -4.5 0.150 0.9263 -14.3 6.293 167.9 0.0197 80.6 0.9852 -6.6 0.200 0.9201 -19.1 6.225 163.9 0.0258 79.0 0.9790 -8.8 0.250 0.9104 -23.6 6.141 160.1 0.0321 75.8 0.9709 -11.0 0.300 0.8974 -28.2 6.120 156.6 0.0380 72.9 0.9612 -13.0 0.400 0.8645 -37.3 5.907 148.5 0.0489 67.3 0.9391 -17.0 0.500 0.8211 -46.1 5.632 141.4 0.0587 62.4 0.9129 -20.5 0.600 0.7839 -54.4 5.457 134.8 0.0678 57.5 0.8848 -23.8 0.700 0.7469 -62.3 5.160 128.6 0.0746 53.8 0.8548 -26.8 0.800 0.7008 -70.0 4.964 122.6 0.0812 50.0 0.8278 -29.3 0.900 0.6663 -77.4 4.685 117.3 0.0870 46.5 0.8006 -31.6 1.000 0.6264 -84.9 4.425 112.2 0.0915 43.7 0.7776 -33.7 1.100 0.5907 -92.2 4.243 107.1 0.0959 40.8 0.7538 -35.7 1.200 0.5578 -98.9 4.018 102.7 0.0994 38.1 0.7339 -37.6 1.300 0.5296 -106.6 3.833 98.3 0.1027 36.0 0.7137 -39.1 1.400 0.4962 -113.2 3.657 94.2 0.1050 34.3 0.6953 -40.8 1.500 0.4804 -120.9 3.516 90.0 0.1073 32.6 0.6770 -42.0 1.600 0.4535 -127.5 3.343 86.2 0.1096 31.0 0.6633 -43.3 1.700 0.4365 -134.5 3.192 82.6 0.1113 29.7 0.6472 -44.9 1.800 0.4208 -141.8 3.062 78.9 0.1134 28.5 0.6361 -46.0 1.900 0.4122 -148.8 2.940 75.6 0.1151 26.9 0.6239 -47.4 2.000 0.3990 -155.5 2.811 72.3 0.1166 25.8 0.6131 -48.5 2.200 0.3875 -169.4 2.599 65.7 0.1189 23.9 0.5918 -51.3 2.400 0.3864 177.8 2.421 59.9 0.1218 22.2 0.5767 -53.9 2.600 0.3929 165.6 2.251 54.2 0.1233 21.1 0.5568 -56.5 2.800 0.4039 155.1 2.105 48.4 0.1256 19.6 0.5470 -59.2 3.000 0.4193 144.7 1.986 43.0 0.1273 18.5 0.5311 -62.0 3.500 0.4687 124.8 1.701 30.4 0.1331 16.1 0.5119 -69.6 4.000 0.5183 110.5 1.483 19.2 0.1378 13.9 0.4943 -78.6 4.500 0.5630 98.9 1.298 8.6 0.1420 11.9 0.4852 -88.5 5.000 0.6055 90.0 1.148 -0.5 0.1475 11.1 0.4771 -98.6 5.500 0.6370 83.1 1.033 -9.5 0.1565 10.2 0.4818 -109.1 6.000 0.6714 76.7 0.929 -17.8 0.1654 8.1 0.4938 -119.9 ! ! f Fmin Gammaopt rn/50 ! GHz dB MAG ANG - 0.450 1.35 0.60 17 0.40 0.900 1.45 0.50 36 0.40 1.800 1.80 0.31 80 0.37 ! ! SIEMENS AG Semiconductor Group, Munich