! SIEMENS Small Signal Semiconductors ! BFQ81 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 5 V IC = 8 mA ! Common Emitter S-Parameters: August 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.8114 -4.5 21.842 175.3 0.0024 89.3 0.9871 -2.0 0.020 0.7974 -8.9 21.522 172.6 0.0050 82.6 0.9854 -4.2 0.050 0.7762 -21.5 20.647 162.0 0.0124 78.7 0.9563 -9.9 0.100 0.7074 -41.3 18.714 147.7 0.0230 71.4 0.8835 -18.0 0.150 0.6160 -57.6 16.266 134.8 0.0308 65.0 0.7952 -23.4 0.200 0.5460 -71.8 14.246 125.9 0.0369 61.9 0.7228 -26.3 0.250 0.4846 -83.8 12.396 118.2 0.0417 59.7 0.6581 -28.2 0.300 0.4311 -93.2 10.856 112.6 0.0462 59.5 0.6137 -28.9 0.400 0.3655 -110.2 8.689 104.1 0.0538 59.5 0.5478 -29.0 0.500 0.3215 -124.7 7.141 97.0 0.0621 60.0 0.5079 -28.5 0.600 0.3000 -137.2 6.106 91.7 0.0701 61.0 0.4836 -28.3 0.700 0.2833 -147.1 5.311 87.0 0.0780 61.9 0.4655 -28.3 0.800 0.2661 -157.5 4.678 83.0 0.0865 62.3 0.4518 -28.3 0.900 0.2619 -165.4 4.197 79.2 0.0952 62.8 0.4430 -28.5 1.000 0.2581 -174.4 3.815 75.8 0.1033 63.3 0.4353 -29.2 1.100 0.2610 177.3 3.507 72.6 0.1124 63.5 0.4275 -30.0 1.200 0.2650 171.1 3.237 69.4 0.1212 63.3 0.4212 -31.0 1.300 0.2660 166.4 2.996 66.8 0.1303 63.1 0.4162 -31.8 1.400 0.2722 159.6 2.799 64.0 0.1389 63.0 0.4121 -33.1 1.500 0.2711 156.3 2.647 61.4 0.1484 62.7 0.4070 -34.4 1.600 0.2783 150.0 2.484 58.4 0.1575 62.2 0.4007 -35.6 1.700 0.2884 146.1 2.357 55.9 0.1667 61.6 0.3950 -36.9 1.800 0.2978 141.6 2.249 53.5 0.1760 61.0 0.3907 -38.3 1.900 0.3064 137.8 2.153 50.9 0.1857 60.6 0.3860 -40.2 2.000 0.3141 134.8 2.053 48.5 0.1953 59.7 0.3780 -41.9 2.200 0.3332 128.1 1.889 43.9 0.2149 58.3 0.3681 -45.2 2.400 0.3522 121.8 1.768 39.1 0.2348 56.7 0.3502 -49.2 2.600 0.3788 116.3 1.650 34.9 0.2538 54.7 0.3364 -53.2 2.800 0.3964 112.5 1.561 30.8 0.2737 52.9 0.3170 -58.2 3.000 0.4212 107.5 1.474 26.6 0.2938 50.9 0.3019 -63.2 3.500 0.4810 98.7 1.303 17.0 0.3443 45.4 0.2538 -80.3 4.000 0.5388 91.4 1.173 8.3 0.3926 39.0 0.2070 -104.4 4.500 0.5842 85.1 1.062 0.0 0.4346 32.1 0.1809 -134.3 5.000 0.6256 76.9 0.935 -5.1 0.4577 27.6 0.1757 -148.3 5.500 0.6447 72.6 0.895 -11.3 0.5163 20.6 0.2422 177.5 6.000 0.6653 67.8 0.839 -16.8 0.5529 13.8 0.2909 156.7 ! ! SIEMENS AG Semiconductor Group, Munich