! SIEMENS Small Signal Semiconductors ! BFQ81 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 10 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 0.9029 -2.8 12.307 176.6 0.0020 94.9 0.9943 -0.9 0.020 0.8939 -5.7 12.192 175.3 0.0042 86.1 0.9944 -2.1 0.050 0.8817 -13.6 11.998 168.1 0.0114 81.9 0.9837 -5.3 0.100 0.8512 -26.9 11.511 158.5 0.0217 76.4 0.9592 -10.1 0.150 0.7944 -39.2 10.807 147.9 0.0302 69.5 0.9154 -14.2 0.200 0.7393 -50.2 10.084 139.9 0.0374 65.5 0.8721 -17.1 0.250 0.6859 -60.8 9.273 132.2 0.0438 61.3 0.8271 -19.7 0.300 0.6246 -69.7 8.480 125.9 0.0483 59.4 0.7897 -21.2 0.400 0.5353 -85.5 7.215 115.8 0.0561 55.3 0.7230 -23.2 0.500 0.4634 -98.9 6.129 107.1 0.0623 53.7 0.6776 -24.1 0.600 0.4185 -111.3 5.354 100.5 0.0679 53.5 0.6469 -24.7 0.700 0.3796 -122.0 4.736 94.9 0.0729 54.3 0.6232 -25.1 0.800 0.3518 -133.0 4.215 89.8 0.0781 54.5 0.6042 -25.5 0.900 0.3268 -141.8 3.806 85.2 0.0836 55.4 0.5910 -25.9 1.000 0.3114 -151.5 3.479 81.2 0.0882 56.5 0.5814 -26.5 1.100 0.3046 -161.0 3.214 77.5 0.0942 57.6 0.5721 -27.4 1.200 0.2994 -169.3 2.973 73.9 0.0999 58.3 0.5647 -28.3 1.300 0.2947 -175.4 2.757 70.8 0.1060 59.1 0.5593 -29.1 1.400 0.3005 176.8 2.579 67.7 0.1118 59.9 0.5551 -30.2 1.500 0.2968 170.6 2.443 64.8 0.1187 60.6 0.5501 -31.3 1.600 0.3049 164.2 2.292 61.5 0.1255 61.0 0.5450 -32.4 1.700 0.3109 157.7 2.181 58.7 0.1327 61.6 0.5390 -33.5 1.800 0.3163 152.2 2.085 56.1 0.1403 61.9 0.5361 -34.7 1.900 0.3257 147.9 1.996 53.4 0.1478 62.3 0.5328 -36.4 2.000 0.3314 143.3 1.897 50.8 0.1557 62.3 0.5268 -37.8 2.200 0.3476 135.1 1.749 45.8 0.1727 62.3 0.5200 -40.8 2.400 0.3660 127.5 1.636 40.9 0.1901 62.1 0.5075 -44.4 2.600 0.3915 120.4 1.529 36.5 0.2089 61.2 0.4971 -47.8 2.800 0.4098 115.2 1.442 32.3 0.2283 60.3 0.4829 -52.1 3.000 0.4360 109.9 1.364 28.1 0.2484 59.2 0.4726 -56.4 3.500 0.4937 99.4 1.202 18.5 0.3036 55.2 0.4356 -70.1 4.000 0.5504 91.4 1.082 9.8 0.3620 49.5 0.3916 -87.5 4.500 0.5917 84.3 0.981 1.7 0.4187 42.5 0.3520 -108.2 5.000 0.6315 76.1 0.862 -3.6 0.4547 36.9 0.3272 -122.1 5.500 0.6471 71.5 0.823 -8.9 0.5257 29.3 0.3549 -151.6 6.000 0.6677 66.3 0.770 -13.9 0.5742 21.4 0.3749 -174.6 ! ! SIEMENS AG Semiconductor Group, Munich