! SIEMENS Small Signal Semiconductors ! BFQ81 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 1.5 V IC = 0.4 mA ! Common Emitter S-Parameters: October 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9831 -1.4 1.559 -179.6 0.0040 91.5 1.0000 -0.5 0.020 0.9784 -2.6 1.536 177.5 0.0083 89.1 0.9938 -1.0 0.050 0.9798 -7.1 1.530 173.5 0.0207 85.5 0.9970 -2.6 0.100 0.9825 -14.3 1.526 168.5 0.0414 81.1 0.9953 -5.1 0.150 0.9650 -21.4 1.510 161.2 0.0612 75.8 0.9885 -7.7 0.200 0.9598 -28.5 1.504 156.1 0.0803 72.0 0.9818 -10.0 0.250 0.9456 -35.7 1.480 149.9 0.0984 67.0 0.9683 -12.5 0.300 0.9271 -42.4 1.446 144.2 0.1150 63.4 0.9596 -14.8 0.400 0.8934 -55.3 1.390 133.9 0.1439 55.1 0.9306 -19.0 0.500 0.8496 -68.1 1.314 123.2 0.1674 47.7 0.9033 -22.8 0.600 0.8259 -80.1 1.253 114.1 0.1856 41.0 0.8768 -26.3 0.700 0.7926 -91.3 1.197 105.6 0.1983 35.1 0.8511 -29.3 0.800 0.7582 -101.9 1.128 97.7 0.2067 29.8 0.8263 -32.0 0.900 0.7273 -111.8 1.075 90.3 0.2109 25.2 0.8038 -34.6 1.000 0.7079 -121.6 1.024 83.6 0.2113 20.9 0.7865 -37.0 1.100 0.6926 -131.2 0.976 77.3 0.2099 17.1 0.7713 -39.5 1.200 0.6796 -140.1 0.930 71.5 0.2057 13.6 0.7566 -42.1 1.300 0.6713 -148.5 0.890 66.6 0.2010 11.3 0.7447 -44.0 1.400 0.6605 -156.2 0.847 61.4 0.1923 9.0 0.7358 -46.6 1.500 0.6596 -163.6 0.821 57.3 0.1833 8.0 0.7253 -48.8 1.600 0.6560 -171.4 0.776 52.7 0.1740 7.0 0.7182 -51.2 1.700 0.6489 -178.9 0.754 49.0 0.1633 7.9 0.7031 -53.7 1.800 0.6506 174.5 0.730 45.6 0.1550 9.0 0.7007 -55.7 1.900 0.6575 168.7 0.702 42.0 0.1444 11.6 0.6947 -59.0 2.000 0.6600 162.4 0.673 38.9 0.1380 14.3 0.6880 -61.7 2.200 0.6649 151.0 0.628 33.6 0.1273 25.1 0.6799 -67.7 2.400 0.6802 140.1 0.593 29.0 0.1322 38.4 0.6644 -75.3 2.600 0.6889 130.4 0.556 26.1 0.1525 48.8 0.6557 -82.0 2.800 0.7082 121.6 0.528 23.8 0.1836 55.0 0.6405 -90.9 3.000 0.7159 114.0 0.510 22.1 0.2235 57.2 0.6345 -100.0 3.500 0.7363 97.8 0.485 19.9 0.3272 52.0 0.6016 -125.6 4.000 0.7378 85.5 0.484 19.7 0.4146 43.8 0.5587 -148.1 4.500 0.7343 76.7 0.529 15.1 0.5000 32.1 0.5868 -173.0 5.000 0.7272 70.0 0.560 9.9 0.5496 21.7 0.5932 166.4 5.500 0.7225 64.1 0.576 4.2 0.5841 12.4 0.6037 148.5 6.000 0.7084 59.5 0.598 -1.6 0.6070 3.6 0.6157 133.3 ! ! SIEMENS AG Semiconductor Group, Munich