! SIEMENS Small Signal Semiconductors ! BFQ81 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 6 V IC = 15 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 0.7360 -6.1 32.590 173.8 0.0021 85.4 0.9792 -2.7 0.020 0.7250 -12.3 32.131 169.7 0.0041 88.3 0.9688 -5.5 0.050 0.6826 -29.0 29.742 155.9 0.0108 76.9 0.9229 -13.0 0.100 0.5796 -53.8 24.974 138.7 0.0193 69.1 0.8119 -21.4 0.150 0.4756 -72.2 20.356 125.1 0.0253 64.0 0.7037 -25.4 0.200 0.4112 -87.3 16.927 116.8 0.0298 64.2 0.6323 -26.5 0.250 0.3559 -99.4 14.258 109.9 0.0343 63.2 0.5765 -26.5 0.300 0.3165 -109.8 12.234 105.2 0.0384 64.9 0.5428 -26.3 0.400 0.2736 -125.9 9.554 98.2 0.0469 65.6 0.4955 -25.0 0.500 0.2504 -140.8 7.754 92.3 0.0556 67.0 0.4709 -23.9 0.600 0.2360 -152.0 6.560 87.8 0.0643 67.7 0.4563 -23.7 0.700 0.2319 -161.9 5.688 83.8 0.0735 68.7 0.4449 -23.7 0.800 0.2255 -170.6 4.993 80.2 0.0829 68.4 0.4366 -23.9 0.900 0.2200 -178.0 4.465 76.9 0.0919 68.6 0.4313 -24.1 1.000 0.2235 174.7 4.051 73.8 0.1010 68.3 0.4274 -25.1 1.100 0.2293 167.7 3.717 71.1 0.1105 68.0 0.4212 -26.0 1.200 0.2329 160.9 3.431 68.2 0.1197 67.7 0.4165 -27.1 1.300 0.2376 157.8 3.169 65.7 0.1292 67.1 0.4135 -28.1 1.400 0.2450 152.3 2.962 63.2 0.1382 66.6 0.4100 -29.5 1.500 0.2477 148.4 2.793 60.7 0.1476 66.0 0.4057 -30.8 1.600 0.2596 143.4 2.624 58.0 0.1572 65.2 0.4009 -32.0 1.700 0.2660 140.2 2.489 55.5 0.1666 64.6 0.3950 -33.3 1.800 0.2765 136.1 2.376 53.3 0.1760 63.6 0.3915 -34.9 1.900 0.2879 132.8 2.271 50.8 0.1860 62.9 0.3867 -36.8 2.000 0.2887 129.7 2.166 48.6 0.1956 62.0 0.3803 -38.4 2.200 0.3110 124.9 1.992 44.1 0.2150 60.2 0.3702 -41.5 2.400 0.3273 118.7 1.861 39.7 0.2342 58.4 0.3535 -45.5 2.600 0.3553 113.7 1.736 35.6 0.2532 56.3 0.3386 -49.2 2.800 0.3741 110.0 1.641 31.6 0.2725 54.2 0.3204 -53.9 3.000 0.4005 105.8 1.550 27.6 0.2916 52.1 0.3043 -58.4 3.500 0.4579 98.3 1.370 18.3 0.3415 46.7 0.2548 -74.0 4.000 0.5211 91.6 1.236 9.5 0.3872 40.2 0.2040 -95.7 4.500 0.5671 85.8 1.120 1.3 0.4280 33.7 0.1746 -123.3 5.000 0.6116 79.3 1.025 -6.3 0.4674 27.2 0.1722 -155.0 5.500 0.6361 72.4 0.910 -10.2 0.4882 22.9 0.1814 -167.2 6.000 0.6592 68.0 0.869 -16.1 0.5420 16.3 0.2535 164.4 ! ! SIEMENS AG Semiconductor Group, Munich