! SIEMENS Small Signal Semiconductors ! BFQ81 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 0.75 V IC = 0.5 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 0.9798 -1.6 1.865 177.9 0.0051 91.4 0.9983 -0.5 0.020 0.9778 -3.2 1.877 177.3 0.0105 88.8 0.9938 -1.3 0.050 0.9745 -8.3 1.857 172.6 0.0264 84.5 0.9964 -3.4 0.100 0.9690 -16.5 1.833 166.6 0.0527 79.9 0.9899 -6.9 0.150 0.9550 -24.6 1.818 158.8 0.0781 73.8 0.9791 -10.4 0.200 0.9427 -32.6 1.788 152.8 0.1015 69.2 0.9683 -13.5 0.250 0.9302 -40.4 1.757 146.2 0.1236 63.8 0.9504 -16.8 0.300 0.9010 -48.0 1.711 139.9 0.1438 59.6 0.9340 -19.5 0.400 0.8607 -62.6 1.623 128.6 0.1767 50.7 0.8909 -24.8 0.500 0.8134 -75.8 1.503 117.3 0.2023 43.1 0.8499 -29.3 0.600 0.7766 -88.0 1.418 107.8 0.2208 36.3 0.8127 -33.2 0.700 0.7428 -99.8 1.336 99.2 0.2330 30.4 0.7786 -36.6 0.800 0.7115 -110.4 1.248 91.3 0.2403 25.3 0.7471 -39.6 0.900 0.6805 -120.2 1.173 83.9 0.2428 20.9 0.7208 -42.4 1.000 0.6616 -130.2 1.107 77.4 0.2423 16.9 0.6994 -45.1 1.100 0.6480 -139.5 1.055 71.1 0.2398 13.4 0.6810 -47.9 1.200 0.6381 -147.7 1.000 65.4 0.2345 10.1 0.6651 -50.9 1.300 0.6311 -155.8 0.953 60.4 0.2284 8.0 0.6506 -53.2 1.400 0.6261 -163.0 0.905 55.7 0.2188 6.0 0.6404 -56.1 1.500 0.6245 -170.3 0.878 51.6 0.2090 5.6 0.6271 -58.4 1.600 0.6239 -177.4 0.828 47.0 0.1998 4.7 0.6197 -61.1 1.700 0.6264 175.9 0.802 43.1 0.1879 5.8 0.6021 -64.1 1.800 0.6310 169.5 0.772 39.9 0.1808 6.9 0.5975 -66.6 1.900 0.6343 163.6 0.747 36.4 0.1706 9.3 0.5922 -70.3 2.000 0.6357 158.4 0.715 33.4 0.1653 11.8 0.5865 -73.2 2.200 0.6511 147.8 0.665 27.9 0.1558 20.8 0.5739 -80.5 2.400 0.6658 137.8 0.625 23.4 0.1604 31.0 0.5625 -89.0 2.600 0.6802 128.6 0.587 20.3 0.1793 39.4 0.5509 -96.9 2.800 0.6941 120.7 0.557 18.2 0.2080 44.8 0.5450 -106.7 3.000 0.7078 113.2 0.535 16.4 0.2448 47.2 0.5373 -116.5 3.500 0.7295 98.1 0.506 13.8 0.3460 43.4 0.5306 -143.3 4.000 0.7417 86.9 0.507 11.8 0.4318 33.9 0.5326 -171.0 4.500 0.7390 78.1 0.519 7.7 0.4870 23.5 0.5399 164.1 5.000 0.7402 70.5 0.525 6.0 0.5112 17.8 0.5010 151.6 5.500 0.7340 65.8 0.554 0.2 0.5584 8.5 0.5822 134.0 6.000 0.7291 61.3 0.567 -4.8 0.5795 1.0 0.6078 120.6 ! ! SIEMENS AG Semiconductor Group, Munich