! SIEMENS Small Signal Semiconductors ! BFR181 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 0.75 V IC = 2 mA ! Common Emitter S-Parameters: May 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9215 -1.4 6.427 179.1 0.0019 86.6 0.9949 -0.6 0.020 0.9229 -2.6 6.391 177.4 0.0040 90.5 0.9862 -1.3 0.050 0.9164 -6.7 6.498 173.9 0.0104 86.2 0.9919 -3.3 0.100 0.9056 -13.0 6.404 168.1 0.0208 82.3 0.9827 -6.4 0.150 0.8866 -19.4 6.317 161.1 0.0308 78.2 0.9701 -9.4 0.200 0.8655 -25.6 6.210 155.5 0.0401 74.9 0.9510 -12.3 0.250 0.8369 -31.8 5.970 150.0 0.0486 71.0 0.9321 -15.0 0.300 0.8025 -37.3 5.764 144.7 0.0567 68.9 0.9095 -17.2 0.400 0.7325 -48.0 5.399 135.4 0.0701 63.6 0.8612 -21.4 0.500 0.6542 -57.5 4.914 126.1 0.0809 59.3 0.8117 -24.7 0.600 0.6015 -66.3 4.517 119.1 0.0908 56.1 0.7722 -27.1 0.700 0.5447 -74.5 4.172 112.3 0.0981 53.9 0.7352 -29.1 0.800 0.4857 -82.0 3.833 106.2 0.1047 51.9 0.7030 -30.6 0.900 0.4358 -89.0 3.557 100.4 0.1105 51.1 0.6733 -31.9 1.000 0.3929 -96.4 3.317 95.7 0.1154 50.1 0.6493 -33.1 1.100 0.3599 -103.9 3.105 91.4 0.1205 49.8 0.6298 -34.2 1.200 0.3275 -110.5 2.905 87.1 0.1258 49.3 0.6136 -35.2 1.300 0.3025 -117.6 2.725 83.4 0.1309 49.2 0.5996 -36.1 1.400 0.2777 -124.7 2.571 79.6 0.1354 49.2 0.5877 -37.2 1.500 0.2599 -131.9 2.458 76.3 0.1403 49.4 0.5760 -38.0 1.600 0.2411 -141.6 2.323 72.5 0.1457 49.5 0.5671 -39.0 1.700 0.2236 -150.5 2.229 69.2 0.1510 50.1 0.5549 -39.9 1.800 0.2157 -159.7 2.138 66.2 0.1568 50.5 0.5469 -41.1 1.900 0.2139 -166.8 2.056 63.2 0.1627 50.8 0.5386 -42.3 2.000 0.2102 -175.1 1.963 60.3 0.1691 50.8 0.5325 -43.4 2.200 0.2086 169.5 1.826 54.8 0.1817 51.1 0.5181 -46.3 2.400 0.2212 155.3 1.716 49.5 0.1958 51.3 0.5029 -49.0 2.600 0.2377 142.6 1.619 44.5 0.2107 51.1 0.4890 -52.1 2.800 0.2599 133.2 1.535 40.0 0.2270 50.7 0.4758 -55.8 3.000 0.2842 125.0 1.461 35.3 0.2429 50.1 0.4605 -59.6 3.500 0.3522 109.6 1.300 24.9 0.2887 47.5 0.4237 -72.0 4.000 0.4129 99.3 1.183 15.4 0.3376 43.6 0.3864 -87.9 4.500 0.4726 91.4 1.085 6.8 0.3894 38.6 0.3534 -106.9 5.000 0.5168 84.1 1.008 -0.9 0.4399 32.8 0.3350 -127.8 5.500 0.5603 77.8 0.923 -7.8 0.4866 26.2 0.3336 -150.4 6.000 0.5866 72.1 0.855 -13.7 0.5294 19.1 0.3445 -171.9 ! ! SIEMENS AG Semiconductor Group, Munich