! SIEMENS Small Signal Semiconductors ! BFQ81 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 6 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 0.9822 -1.3 1.844 178.1 0.0023 89.2 0.9996 -0.3 0.020 0.9751 -2.6 1.842 178.0 0.0050 84.7 0.9999 -0.9 0.050 0.9814 -6.6 1.833 174.2 0.0135 86.6 0.9984 -2.0 0.100 0.9761 -13.4 1.820 169.8 0.0269 82.3 0.9970 -3.9 0.150 0.9643 -19.9 1.804 163.7 0.0397 77.4 0.9905 -5.8 0.200 0.9575 -26.2 1.797 159.0 0.0521 73.8 0.9864 -7.6 0.250 0.9533 -32.9 1.779 153.8 0.0643 69.5 0.9786 -9.5 0.300 0.9267 -39.2 1.742 148.6 0.0749 66.5 0.9706 -11.1 0.400 0.9002 -51.6 1.687 139.6 0.0943 59.0 0.9484 -14.4 0.500 0.8554 -63.7 1.602 129.8 0.1102 52.6 0.9265 -17.3 0.600 0.8230 -74.9 1.527 121.8 0.1233 46.5 0.9067 -20.0 0.700 0.7879 -86.0 1.456 114.0 0.1319 41.4 0.8862 -22.3 0.800 0.7549 -96.2 1.380 106.7 0.1383 36.5 0.8659 -24.4 0.900 0.7227 -106.0 1.310 99.6 0.1407 32.7 0.8489 -26.3 1.000 0.6948 -116.5 1.246 93.4 0.1416 29.3 0.8328 -28.1 1.100 0.6741 -126.1 1.189 87.5 0.1410 26.3 0.8200 -30.1 1.200 0.6548 -134.9 1.130 82.0 0.1381 23.7 0.8093 -32.0 1.300 0.6423 -143.5 1.077 77.2 0.1349 22.4 0.7988 -33.5 1.400 0.6331 -151.6 1.022 72.4 0.1289 21.3 0.7913 -35.4 1.500 0.6240 -159.9 0.987 68.4 0.1233 21.5 0.7829 -37.0 1.600 0.6185 -167.9 0.933 63.5 0.1179 22.1 0.7772 -38.7 1.700 0.6131 -175.3 0.907 60.0 0.1117 24.6 0.7665 -40.6 1.800 0.6131 177.5 0.874 56.4 0.1074 27.2 0.7630 -42.3 1.900 0.6114 170.7 0.842 52.8 0.1028 31.9 0.7602 -44.6 2.000 0.6137 164.4 0.806 49.4 0.1010 36.1 0.7557 -46.5 2.200 0.6213 152.6 0.747 43.8 0.1032 48.7 0.7491 -51.0 2.400 0.6309 141.6 0.697 38.5 0.1163 60.0 0.7385 -56.0 2.600 0.6448 131.2 0.655 35.0 0.1390 67.1 0.7300 -61.0 2.800 0.6576 122.7 0.618 31.8 0.1689 71.1 0.7213 -67.1 3.000 0.6711 114.5 0.587 29.3 0.2041 72.5 0.7128 -73.1 3.500 0.6972 97.9 0.539 25.5 0.3030 68.0 0.6863 -91.6 4.000 0.7112 86.0 0.526 23.4 0.4028 58.0 0.6456 -113.8 4.500 0.7048 76.9 0.544 19.8 0.4869 46.1 0.6048 -137.9 5.000 0.7128 68.9 0.540 17.0 0.5242 36.6 0.5252 -154.6 5.500 0.6922 63.7 0.590 12.3 0.5981 26.2 0.5761 -178.2 6.000 0.6826 59.2 0.612 6.2 0.6352 16.5 0.5818 161.8 ! ! SIEMENS AG Semiconductor Group, Munich