! SIEMENS Small Signal Semiconductors ! BFQ81 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 3 V IC = 7 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 0.8160 -4.3 19.942 175.6 0.0030 89.1 0.9860 -2.1 0.020 0.8037 -9.2 19.846 172.8 0.0056 84.4 0.9831 -4.5 0.050 0.7825 -21.9 18.997 162.3 0.0147 79.1 0.9555 -11.0 0.100 0.7175 -42.3 17.241 148.1 0.0268 70.4 0.8813 -19.8 0.150 0.6273 -59.3 15.091 135.0 0.0361 63.5 0.7868 -26.3 0.200 0.5644 -73.6 13.195 126.2 0.0432 60.3 0.7092 -29.9 0.250 0.5021 -86.5 11.503 118.4 0.0489 57.3 0.6401 -32.3 0.300 0.4529 -96.9 10.124 112.6 0.0536 57.0 0.5890 -33.6 0.400 0.3945 -114.4 8.108 103.9 0.0622 56.3 0.5137 -34.2 0.500 0.3527 -129.2 6.662 96.8 0.0703 57.0 0.4679 -34.0 0.600 0.3296 -141.3 5.702 91.2 0.0790 58.1 0.4392 -33.9 0.700 0.3140 -151.3 4.966 86.4 0.0875 58.8 0.4171 -33.9 0.800 0.3073 -160.4 4.377 82.2 0.0964 59.5 0.4003 -33.9 0.900 0.2957 -168.6 3.919 78.3 0.1056 59.8 0.3893 -33.9 1.000 0.2954 -176.5 3.571 74.8 0.1141 60.1 0.3808 -34.6 1.100 0.3012 176.0 3.280 71.5 0.1236 60.3 0.3721 -35.6 1.200 0.3036 170.1 3.033 68.3 0.1331 60.3 0.3638 -36.5 1.300 0.3063 165.1 2.811 65.4 0.1425 60.0 0.3577 -37.4 1.400 0.3110 159.6 2.625 62.6 0.1516 59.9 0.3523 -38.8 1.500 0.3138 155.6 2.487 59.9 0.1619 59.5 0.3464 -40.1 1.600 0.3224 149.6 2.331 56.8 0.1715 59.0 0.3390 -41.3 1.700 0.3289 145.5 2.218 54.1 0.1814 58.6 0.3314 -42.8 1.800 0.3373 141.2 2.113 51.7 0.1915 57.8 0.3272 -44.4 1.900 0.3478 138.1 2.022 49.1 0.2018 57.3 0.3216 -46.5 2.000 0.3523 134.7 1.931 46.6 0.2120 56.4 0.3132 -48.5 2.200 0.3728 128.3 1.781 41.8 0.2325 54.8 0.3004 -52.2 2.400 0.3917 122.3 1.665 37.0 0.2529 53.0 0.2824 -57.2 2.600 0.4157 116.3 1.555 32.7 0.2730 51.0 0.2665 -61.8 2.800 0.4358 112.0 1.470 28.5 0.2934 48.9 0.2467 -68.2 3.000 0.4582 107.6 1.393 24.3 0.3136 46.8 0.2304 -74.5 3.500 0.5155 98.3 1.227 14.7 0.3645 41.0 0.1869 -97.8 4.000 0.5705 90.7 1.103 6.2 0.4104 34.3 0.1601 -131.9 4.500 0.6142 83.8 0.997 -1.9 0.4492 27.3 0.1679 -167.0 5.000 0.6462 75.5 0.881 -6.5 0.4681 23.1 0.1710 -179.3 5.500 0.6626 71.8 0.846 -12.3 0.5222 16.1 0.2669 155.3 6.000 0.6812 66.6 0.792 -17.7 0.5544 9.5 0.3240 139.4 ! ! SIEMENS AG Semiconductor Group, Munich