! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 8 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 0.9649 -0.8 4.064 179.4 0.0011 88.7 0.9985 -0.3 0.020 0.9657 -1.5 4.037 179.1 0.0023 89.6 0.9978 -0.8 0.050 0.9643 -3.5 4.073 176.7 0.0069 92.5 0.9960 -1.8 0.100 0.9548 -7.3 4.028 173.5 0.0132 84.4 0.9956 -3.5 0.150 0.9570 -11.1 4.001 170.3 0.0200 82.2 0.9914 -5.2 0.200 0.9502 -14.7 4.036 166.9 0.0266 80.3 0.9898 -7.1 0.250 0.9441 -18.6 3.979 163.7 0.0322 78.5 0.9843 -8.8 0.300 0.9390 -22.2 3.951 161.0 0.0392 75.4 0.9792 -10.4 0.400 0.9151 -29.5 3.925 153.9 0.0514 70.6 0.9673 -13.7 0.500 0.8868 -36.9 3.824 147.6 0.0625 66.1 0.9504 -17.0 0.600 0.8632 -43.4 3.709 142.0 0.0729 61.8 0.9341 -20.1 0.700 0.8350 -50.4 3.563 136.3 0.0824 57.8 0.9152 -22.9 0.800 0.8009 -57.2 3.496 130.7 0.0906 54.0 0.8963 -25.4 0.900 0.7686 -63.9 3.405 125.2 0.0983 50.2 0.8748 -28.0 1.000 0.7350 -70.5 3.272 120.2 0.1045 46.5 0.8536 -30.4 1.100 0.7041 -77.1 3.192 115.1 0.1110 43.4 0.8344 -32.6 1.200 0.6727 -83.2 3.051 110.8 0.1161 40.0 0.8170 -34.9 1.300 0.6470 -89.5 2.933 106.2 0.1203 37.3 0.7971 -36.8 1.400 0.6139 -95.8 2.829 102.0 0.1243 34.6 0.7802 -38.7 1.500 0.5904 -102.8 2.756 97.5 0.1277 32.6 0.7622 -40.3 1.600 0.5607 -108.8 2.644 93.5 0.1311 30.4 0.7495 -41.7 1.700 0.5372 -115.9 2.576 89.3 0.1331 28.2 0.7314 -43.6 1.800 0.5116 -122.8 2.493 85.1 0.1352 26.4 0.7161 -44.9 1.900 0.4950 -129.5 2.418 81.5 0.1370 24.3 0.7027 -46.6 2.000 0.4756 -136.3 2.327 77.8 0.1389 22.6 0.6909 -47.9 2.200 0.4517 -149.4 2.168 70.7 0.1412 19.2 0.6690 -50.9 2.400 0.4352 -162.6 2.036 64.2 0.1427 16.4 0.6475 -53.7 2.600 0.4319 -175.9 1.909 58.1 0.1433 14.2 0.6266 -56.4 2.800 0.4306 172.0 1.801 51.5 0.1439 11.9 0.6133 -59.2 3.000 0.4375 160.7 1.703 45.5 0.1436 9.7 0.5982 -62.0 3.500 0.4741 136.4 1.474 31.8 0.1442 6.1 0.5785 -69.5 4.000 0.5218 119.0 1.287 19.5 0.1422 3.4 0.5609 -78.3 4.500 0.5673 105.4 1.129 8.1 0.1404 1.8 0.5513 -88.2 5.000 0.6064 95.1 1.001 -1.5 0.1393 2.0 0.5466 -98.2 5.500 0.6427 86.8 0.891 -10.6 0.1439 2.9 0.5520 -108.7 6.000 0.6782 79.9 0.798 -19.1 0.1515 3.1 0.5616 -119.4 ! ! SIEMENS AG Semiconductor Group, Munich