! SIEMENS Small Signal Semiconductors ! BFQ81 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 10 V IC = 3 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 0.9206 -2.4 9.665 177.0 0.0021 91.4 0.9943 -0.8 0.020 0.9121 -4.6 9.580 176.1 0.0046 84.3 0.9942 -1.8 0.050 0.9092 -12.0 9.417 169.8 0.0113 82.9 0.9885 -4.4 0.100 0.8868 -23.6 9.183 161.4 0.0220 77.7 0.9731 -8.6 0.150 0.8445 -34.7 8.740 151.7 0.0314 71.5 0.9377 -12.2 0.200 0.7984 -44.6 8.318 144.4 0.0393 66.5 0.9052 -15.1 0.250 0.7498 -54.7 7.824 136.8 0.0464 62.1 0.8679 -17.8 0.300 0.6967 -63.3 7.250 130.6 0.0519 59.7 0.8342 -19.6 0.400 0.6094 -79.0 6.297 120.4 0.0610 54.6 0.7717 -22.2 0.500 0.5316 -92.9 5.461 111.1 0.0672 51.9 0.7242 -23.6 0.600 0.4832 -105.3 4.839 104.0 0.0726 50.7 0.6899 -24.7 0.700 0.4384 -115.4 4.310 98.0 0.0768 50.3 0.6638 -25.4 0.800 0.4080 -126.3 3.856 92.5 0.0812 50.2 0.6428 -25.9 0.900 0.3765 -135.8 3.494 87.6 0.0856 50.8 0.6281 -26.5 1.000 0.3561 -145.3 3.206 83.2 0.0893 51.8 0.6164 -27.2 1.100 0.3498 -155.1 2.974 79.2 0.0937 53.1 0.6057 -28.1 1.200 0.3435 -163.6 2.761 75.3 0.0985 54.3 0.5972 -29.0 1.300 0.3342 -170.3 2.565 72.0 0.1032 55.2 0.5903 -29.8 1.400 0.3319 -177.8 2.404 68.7 0.1077 56.4 0.5853 -30.9 1.500 0.3357 176.1 2.274 65.6 0.1139 57.6 0.5803 -32.0 1.600 0.3369 168.7 2.136 62.1 0.1197 58.3 0.5745 -33.1 1.700 0.3434 162.6 2.032 59.2 0.1262 59.5 0.5686 -34.3 1.800 0.3459 156.7 1.945 56.5 0.1329 60.1 0.5662 -35.6 1.900 0.3534 151.6 1.862 53.5 0.1398 60.9 0.5628 -37.2 2.000 0.3578 146.7 1.779 50.9 0.1477 61.2 0.5567 -38.6 2.200 0.3784 138.0 1.633 45.8 0.1636 62.2 0.5503 -41.7 2.400 0.3939 129.9 1.531 40.7 0.1811 62.5 0.5382 -45.3 2.600 0.4178 122.5 1.425 36.2 0.1996 62.1 0.5284 -48.9 2.800 0.4352 116.9 1.348 32.0 0.2196 61.6 0.5152 -53.3 3.000 0.4627 111.0 1.270 27.7 0.2409 60.8 0.5058 -57.6 3.500 0.5170 99.7 1.119 18.3 0.2989 57.2 0.4723 -71.6 4.000 0.5695 91.1 1.006 9.8 0.3619 51.4 0.4303 -89.4 4.500 0.6106 83.5 0.912 2.1 0.4233 44.0 0.3927 -110.2 5.000 0.6462 74.9 0.801 -2.9 0.4619 38.0 0.3635 -124.7 5.500 0.6586 70.2 0.770 -7.5 0.5357 29.9 0.3930 -153.0 6.000 0.6709 64.9 0.726 -11.7 0.5851 21.7 0.4109 -175.6 ! ! SIEMENS AG Semiconductor Group, Munich