! SIEMENS Small Signal Semiconductors ! BFP280 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 1 V IC = 0.9 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 0.9615 -0.9 3.119 179.7 0.0012 87.9 0.9981 -0.3 0.020 0.9654 -1.3 3.121 179.4 0.0028 92.8 0.9999 -0.7 0.050 0.9622 -3.1 3.112 177.0 0.0071 90.5 0.9970 -1.6 0.100 0.9555 -6.6 3.096 173.9 0.0142 84.5 0.9995 -3.2 0.150 0.9538 -10.1 3.088 170.7 0.0212 83.3 0.9940 -4.8 0.200 0.9484 -13.5 3.095 167.5 0.0279 80.9 0.9919 -6.5 0.250 0.9432 -16.7 3.076 164.4 0.0344 79.3 0.9872 -8.0 0.300 0.9401 -20.1 3.078 162.0 0.0415 76.2 0.9846 -9.7 0.400 0.9202 -26.5 3.025 155.2 0.0547 72.0 0.9746 -12.8 0.500 0.8956 -33.4 2.969 149.0 0.0668 67.4 0.9613 -15.7 0.600 0.8726 -39.4 2.925 143.4 0.0784 63.5 0.9461 -18.8 0.700 0.8495 -45.5 2.822 137.9 0.0885 59.2 0.9315 -21.5 0.800 0.8166 -51.7 2.772 132.4 0.0983 55.5 0.9146 -24.1 0.900 0.7895 -57.8 2.695 127.2 0.1074 51.8 0.8971 -26.5 1.000 0.7585 -64.4 2.611 122.2 0.1151 48.2 0.8787 -28.9 1.100 0.7247 -70.2 2.564 117.0 0.1228 45.0 0.8615 -31.2 1.200 0.6945 -76.2 2.471 112.6 0.1294 41.5 0.8453 -33.5 1.300 0.6659 -82.3 2.398 107.9 0.1346 38.7 0.8266 -35.5 1.400 0.6329 -87.7 2.326 103.4 0.1396 35.7 0.8098 -37.5 1.500 0.6095 -94.3 2.275 99.0 0.1439 33.3 0.7919 -39.1 1.600 0.5758 -99.4 2.182 94.8 0.1484 31.1 0.7799 -40.7 1.700 0.5514 -106.2 2.123 90.8 0.1516 28.5 0.7623 -42.6 1.800 0.5273 -113.1 2.071 86.3 0.1551 26.6 0.7492 -44.0 1.900 0.5052 -119.7 2.017 82.6 0.1582 24.1 0.7346 -45.7 2.000 0.4817 -125.7 1.952 78.7 0.1606 22.3 0.7235 -47.0 2.200 0.4499 -138.6 1.825 71.2 0.1641 18.4 0.6987 -50.2 2.400 0.4254 -152.3 1.734 64.4 0.1673 14.7 0.6776 -53.2 2.600 0.4145 -165.8 1.628 58.1 0.1683 12.0 0.6544 -55.9 2.800 0.4056 -179.0 1.545 51.2 0.1706 8.7 0.6422 -58.8 3.000 0.4099 168.8 1.469 44.9 0.1703 5.9 0.6235 -61.7 3.500 0.4370 142.2 1.284 30.4 0.1730 0.0 0.6032 -69.1 4.000 0.4854 122.7 1.132 17.3 0.1697 -5.1 0.5805 -77.8 4.500 0.5341 108.1 1.000 5.5 0.1658 -10.3 0.5722 -87.3 5.000 0.5715 97.6 0.883 -4.2 0.1568 -11.9 0.5682 -96.6 5.500 0.6122 88.6 0.800 -14.4 0.1578 -13.0 0.5719 -107.2 6.000 0.6512 81.2 0.719 -23.2 0.1570 -14.8 0.5822 -117.6 ! ! SIEMENS AG Semiconductor Group, Munich