! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 10 V IC = 0.7 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 0.9803 -0.8 2.454 179.4 0.0011 71.2 0.9983 -0.2 0.020 0.9863 -1.2 2.488 179.5 0.0023 77.6 0.9978 -0.6 0.050 0.9794 -2.6 2.481 177.3 0.0068 90.8 0.9960 -1.5 0.100 0.9747 -6.0 2.428 174.6 0.0131 85.2 0.9959 -2.8 0.150 0.9739 -9.0 2.465 171.8 0.0201 83.6 0.9953 -4.3 0.200 0.9749 -11.8 2.453 169.0 0.0264 81.9 0.9928 -5.7 0.250 0.9712 -14.6 2.428 166.3 0.0332 80.3 0.9914 -7.2 0.300 0.9666 -17.6 2.453 164.2 0.0394 77.7 0.9884 -8.6 0.400 0.9546 -23.5 2.437 157.9 0.0521 73.6 0.9827 -11.4 0.500 0.9358 -29.1 2.380 152.5 0.0640 69.7 0.9741 -14.1 0.600 0.9215 -34.9 2.364 147.4 0.0758 65.7 0.9647 -16.7 0.700 0.9027 -40.5 2.311 142.3 0.0862 62.0 0.9519 -19.4 0.800 0.8750 -46.3 2.302 137.3 0.0966 58.2 0.9407 -21.9 0.900 0.8539 -52.0 2.245 132.3 0.1057 54.4 0.9258 -24.3 1.000 0.8324 -57.5 2.182 127.7 0.1145 51.1 0.9132 -26.7 1.100 0.8058 -63.3 2.157 122.6 0.1230 47.7 0.9000 -28.9 1.200 0.7808 -68.7 2.095 118.6 0.1302 44.2 0.8862 -31.3 1.300 0.7544 -74.5 2.060 113.9 0.1364 41.2 0.8712 -33.3 1.400 0.7243 -80.1 2.020 109.5 0.1424 38.2 0.8565 -35.4 1.500 0.7030 -86.3 2.004 105.0 0.1474 35.6 0.8403 -37.2 1.600 0.6744 -91.6 1.942 100.8 0.1522 32.9 0.8282 -39.0 1.700 0.6531 -97.8 1.898 96.6 0.1559 30.0 0.8108 -41.0 1.800 0.6231 -103.9 1.859 92.0 0.1598 28.1 0.7991 -42.4 1.900 0.6028 -110.2 1.822 88.3 0.1631 25.1 0.7855 -44.3 2.000 0.5816 -115.9 1.769 84.3 0.1666 23.1 0.7752 -45.7 2.200 0.5412 -128.7 1.687 76.4 0.1695 18.6 0.7489 -49.2 2.400 0.5117 -141.2 1.602 69.3 0.1727 14.3 0.7288 -52.3 2.600 0.4922 -154.8 1.529 62.5 0.1727 10.9 0.7035 -55.2 2.800 0.4793 -167.1 1.450 55.3 0.1742 7.1 0.6923 -58.1 3.000 0.4714 179.8 1.392 48.6 0.1721 3.9 0.6728 -61.2 3.500 0.4848 152.1 1.224 33.3 0.1688 -2.7 0.6538 -68.7 4.000 0.5259 130.8 1.079 19.6 0.1590 -7.6 0.6334 -77.6 4.500 0.5680 114.4 0.943 7.5 0.1488 -11.1 0.6290 -87.4 5.000 0.6123 102.0 0.836 -2.7 0.1382 -11.1 0.6232 -97.5 5.500 0.6455 92.4 0.746 -12.4 0.1346 -8.6 0.6287 -108.0 6.000 0.6860 84.6 0.662 -20.7 0.1355 -6.5 0.6409 -118.7 ! ! SIEMENS AG Semiconductor Group, Munich