! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 10 V IC = 1.2 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 0.9674 -0.8 4.048 179.3 0.0012 70.1 0.9969 -0.3 0.020 0.9672 -1.8 4.031 179.1 0.0025 87.2 0.9937 -0.7 0.050 0.9680 -3.5 4.018 176.8 0.0068 88.3 0.9946 -1.8 0.100 0.9607 -7.3 3.993 173.6 0.0129 84.1 0.9969 -3.5 0.150 0.9635 -10.9 3.982 170.3 0.0198 81.4 0.9911 -5.2 0.200 0.9574 -14.6 3.999 167.1 0.0263 80.1 0.9890 -6.9 0.250 0.9479 -18.2 3.975 163.8 0.0325 77.4 0.9839 -8.7 0.300 0.9417 -21.7 3.957 161.2 0.0388 75.5 0.9785 -10.3 0.400 0.9201 -28.7 3.879 154.3 0.0510 71.2 0.9678 -13.7 0.500 0.8920 -36.2 3.801 148.0 0.0622 66.5 0.9530 -16.8 0.600 0.8709 -42.9 3.735 142.3 0.0724 62.1 0.9349 -20.0 0.700 0.8414 -49.4 3.581 136.7 0.0813 58.1 0.9154 -22.8 0.800 0.8044 -56.0 3.496 131.2 0.0898 54.0 0.8964 -25.4 0.900 0.7751 -62.3 3.383 125.9 0.0979 50.6 0.8771 -27.8 1.000 0.7440 -69.1 3.269 120.9 0.1043 47.3 0.8567 -30.2 1.100 0.7072 -75.7 3.193 115.7 0.1107 44.0 0.8372 -32.5 1.200 0.6760 -81.4 3.063 111.3 0.1160 40.5 0.8199 -34.8 1.300 0.6496 -88.2 2.959 106.7 0.1205 38.0 0.8001 -36.7 1.400 0.6149 -94.0 2.859 102.4 0.1245 35.4 0.7827 -38.6 1.500 0.5923 -101.1 2.786 98.0 0.1279 33.1 0.7637 -40.2 1.600 0.5622 -106.6 2.664 94.1 0.1311 31.0 0.7500 -41.7 1.700 0.5430 -113.4 2.580 90.1 0.1342 28.7 0.7341 -43.5 1.800 0.5156 -120.3 2.506 85.8 0.1363 27.0 0.7199 -44.9 1.900 0.4983 -127.2 2.434 82.2 0.1382 24.8 0.7060 -46.6 2.000 0.4785 -133.6 2.346 78.5 0.1401 23.3 0.6940 -47.8 2.200 0.4490 -146.3 2.179 71.4 0.1426 19.7 0.6704 -50.9 2.400 0.4319 -160.2 2.060 64.8 0.1443 16.9 0.6492 -53.7 2.600 0.4257 -173.1 1.923 58.7 0.1453 14.6 0.6272 -56.4 2.800 0.4241 174.0 1.820 52.1 0.1457 12.1 0.6142 -59.2 3.000 0.4262 162.5 1.718 46.1 0.1456 10.0 0.5972 -62.0 3.500 0.4603 138.1 1.493 32.3 0.1468 6.0 0.5778 -69.5 4.000 0.5117 120.0 1.305 19.8 0.1447 3.4 0.5577 -78.2 4.500 0.5570 106.2 1.147 8.5 0.1426 1.3 0.5501 -87.9 5.000 0.5996 96.1 1.014 -1.2 0.1410 1.1 0.5444 -97.9 5.500 0.6302 87.5 0.905 -10.5 0.1455 2.2 0.5482 -108.2 6.000 0.6695 80.5 0.812 -18.9 0.1516 2.0 0.5593 -118.9 ! ! SIEMENS AG Semiconductor Group, Munich