! SIEMENS Small Signal Semiconductors ! BFQ81 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 1.75 V IC = 14 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 0.6818 -8.2 32.368 173.3 0.0032 86.9 0.9683 -4.1 0.020 0.6681 -16.2 31.813 168.4 0.0065 84.9 0.9553 -8.4 0.050 0.6230 -37.4 28.970 152.7 0.0158 73.8 0.8846 -19.6 0.100 0.5314 -68.9 23.353 134.1 0.0267 65.1 0.7304 -32.0 0.150 0.4447 -90.8 18.462 120.6 0.0338 59.9 0.5960 -38.4 0.200 0.4053 -107.4 15.084 112.5 0.0395 60.0 0.5075 -40.8 0.250 0.3717 -120.2 12.552 106.0 0.0448 60.1 0.4408 -41.6 0.300 0.3536 -131.2 10.722 101.6 0.0504 61.1 0.3991 -41.7 0.400 0.3317 -147.1 8.295 94.8 0.0609 62.9 0.3416 -40.3 0.500 0.3211 -159.0 6.707 89.2 0.0719 64.1 0.3094 -38.9 0.600 0.3165 -167.8 5.662 84.6 0.0836 64.9 0.2902 -38.3 0.700 0.3185 -175.8 4.905 80.5 0.0948 65.2 0.2752 -38.1 0.800 0.3180 178.2 4.316 77.0 0.1065 65.0 0.2627 -37.8 0.900 0.3161 172.4 3.853 73.6 0.1187 64.7 0.2561 -37.6 1.000 0.3207 165.9 3.495 70.4 0.1300 64.3 0.2495 -38.7 1.100 0.3320 161.2 3.207 67.3 0.1416 63.7 0.2416 -40.0 1.200 0.3336 156.5 2.961 64.3 0.1533 62.9 0.2348 -41.0 1.300 0.3346 153.1 2.746 61.7 0.1652 62.0 0.2300 -42.1 1.400 0.3462 148.6 2.561 59.1 0.1762 61.2 0.2244 -44.1 1.500 0.3445 145.2 2.426 56.5 0.1880 60.2 0.2188 -45.7 1.600 0.3568 141.6 2.276 53.6 0.1995 59.0 0.2121 -47.3 1.700 0.3657 137.6 2.163 50.9 0.2107 58.1 0.2047 -49.0 1.800 0.3777 134.5 2.063 48.7 0.2219 56.9 0.1993 -51.3 1.900 0.3810 131.6 1.974 46.2 0.2335 55.8 0.1930 -54.2 2.000 0.3872 129.2 1.881 43.7 0.2446 54.6 0.1848 -56.9 2.200 0.4073 123.4 1.734 39.0 0.2672 52.2 0.1705 -61.8 2.400 0.4213 118.3 1.622 34.4 0.2885 49.7 0.1516 -69.2 2.600 0.4480 113.2 1.514 30.0 0.3085 47.0 0.1352 -76.5 2.800 0.4669 109.1 1.432 26.1 0.3289 44.4 0.1173 -88.4 3.000 0.4874 105.0 1.350 21.9 0.3483 41.9 0.1035 -100.7 3.500 0.5436 96.6 1.193 12.7 0.3953 35.3 0.0952 -149.4 4.000 0.5979 88.9 1.071 4.6 0.4334 28.3 0.1349 169.1 4.500 0.6335 82.6 0.969 -3.2 0.4627 21.6 0.1883 147.4 5.000 0.6667 76.3 0.890 -9.5 0.4895 15.5 0.2420 132.8 5.500 0.6768 69.9 0.804 -12.1 0.5027 12.0 0.2509 129.4 6.000 0.6936 65.5 0.777 -17.7 0.5424 5.6 0.3410 119.7 ! ! SIEMENS AG Semiconductor Group, Munich