! SIEMENS Small Signal Semiconductors ! BFQ81 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 1.75 V IC = 4 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 0.8755 -3.8 12.746 176.3 0.0035 87.2 0.9904 -1.7 0.020 0.8640 -7.1 12.628 174.5 0.0076 83.8 0.9917 -3.8 0.050 0.8556 -17.7 12.273 166.0 0.0184 79.7 0.9727 -9.0 0.100 0.8117 -34.9 11.639 154.3 0.0348 71.7 0.9233 -17.2 0.150 0.7501 -50.1 10.632 142.6 0.0484 64.4 0.8531 -24.0 0.200 0.6891 -63.5 9.702 133.7 0.0587 59.2 0.7867 -28.8 0.250 0.6310 -76.1 8.751 125.5 0.0671 55.2 0.7179 -32.8 0.300 0.5815 -86.4 7.859 119.2 0.0732 52.8 0.6634 -35.4 0.400 0.5112 -104.3 6.497 109.3 0.0833 49.5 0.5749 -38.4 0.500 0.4571 -119.3 5.440 100.9 0.0910 48.1 0.5131 -39.9 0.600 0.4273 -132.0 4.707 94.3 0.0985 47.9 0.4703 -40.9 0.700 0.4074 -142.7 4.132 88.8 0.1052 48.4 0.4385 -41.5 0.800 0.3930 -152.4 3.661 84.0 0.1129 48.6 0.4139 -42.0 0.900 0.3772 -160.6 3.298 79.5 0.1198 49.2 0.3970 -42.3 1.000 0.3765 -169.3 3.010 75.4 0.1268 49.7 0.3825 -43.2 1.100 0.3773 -176.9 2.775 71.6 0.1348 50.4 0.3696 -44.3 1.200 0.3737 176.2 2.572 67.9 0.1427 51.0 0.3587 -45.4 1.300 0.3777 170.9 2.393 64.6 0.1512 51.3 0.3491 -46.4 1.400 0.3822 165.2 2.236 61.5 0.1591 51.6 0.3417 -48.0 1.500 0.3838 160.8 2.125 58.4 0.1680 51.9 0.3332 -49.4 1.600 0.3923 155.0 1.992 55.0 0.1775 51.8 0.3250 -50.9 1.700 0.3988 150.8 1.898 52.2 0.1865 51.9 0.3166 -52.6 1.800 0.4075 146.2 1.814 49.7 0.1960 51.5 0.3110 -54.3 1.900 0.4156 141.9 1.738 46.8 0.2060 51.5 0.3046 -56.9 2.000 0.4217 138.6 1.661 44.0 0.2161 51.0 0.2955 -59.0 2.200 0.4394 131.2 1.532 38.9 0.2362 50.0 0.2824 -63.6 2.400 0.4547 124.3 1.438 33.8 0.2569 48.8 0.2633 -69.8 2.600 0.4806 118.2 1.343 29.2 0.2779 47.1 0.2489 -75.7 2.800 0.4972 113.2 1.271 25.0 0.2990 45.4 0.2306 -83.9 3.000 0.5191 108.2 1.201 20.7 0.3204 43.5 0.2176 -92.1 3.500 0.5733 97.9 1.059 11.2 0.3738 38.0 0.1929 -120.9 4.000 0.6211 89.5 0.951 3.1 0.4220 31.3 0.1973 -156.1 4.500 0.6545 82.1 0.862 -4.2 0.4612 24.1 0.2298 174.6 5.000 0.6832 74.1 0.765 -7.6 0.4793 19.8 0.2338 163.1 5.500 0.6901 69.7 0.739 -12.6 0.5329 12.6 0.3410 144.4 6.000 0.7009 64.9 0.702 -17.0 0.5624 5.8 0.3982 130.4 ! ! SIEMENS AG Semiconductor Group, Munich