! SIEMENS Small Signal Semiconductors ! BFQ81 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 1.75 V IC = 0.1 mA ! Common Emitter S-Parameters: October 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9928 -1.2 0.442 -179.4 0.0039 94.5 0.9999 -0.4 0.020 0.9886 -2.1 0.440 176.6 0.0079 90.6 0.9917 -0.7 0.050 0.9947 -5.7 0.440 172.5 0.0196 86.5 0.9978 -1.9 0.100 0.9959 -11.4 0.440 166.9 0.0396 82.7 0.9996 -3.6 0.150 0.9870 -17.1 0.443 158.8 0.0590 77.9 0.9955 -5.5 0.200 0.9817 -23.0 0.451 153.2 0.0774 74.6 0.9935 -7.1 0.250 0.9764 -28.9 0.447 146.1 0.0958 70.4 0.9883 -9.0 0.300 0.9664 -34.5 0.450 140.0 0.1131 67.1 0.9857 -10.7 0.400 0.9485 -45.5 0.450 128.1 0.1450 59.8 0.9730 -14.0 0.500 0.9226 -56.7 0.448 115.6 0.1729 52.7 0.9623 -17.2 0.600 0.9107 -67.3 0.449 105.3 0.1964 45.9 0.9491 -20.2 0.700 0.8833 -77.7 0.455 95.7 0.2158 39.7 0.9377 -23.2 0.800 0.8627 -87.6 0.449 86.8 0.2299 33.7 0.9227 -26.0 0.900 0.8390 -97.1 0.448 78.2 0.2392 28.1 0.9112 -28.6 1.000 0.8193 -106.6 0.442 70.7 0.2440 22.7 0.9017 -31.2 1.100 0.8060 -116.8 0.436 63.8 0.2465 17.7 0.8932 -33.9 1.200 0.7923 -125.4 0.427 57.1 0.2453 12.8 0.8836 -36.6 1.300 0.7842 -134.0 0.417 52.0 0.2413 8.7 0.8758 -38.9 1.400 0.7718 -142.3 0.407 46.9 0.2329 4.5 0.8700 -41.6 1.500 0.7692 -150.5 0.398 42.5 0.2227 1.2 0.8656 -44.1 1.600 0.7612 -158.9 0.375 37.4 0.2114 -2.2 0.8627 -46.9 1.700 0.7596 -166.7 0.368 34.1 0.1960 -4.5 0.8529 -49.6 1.800 0.7563 -173.9 0.352 31.8 0.1814 -6.2 0.8539 -52.0 1.900 0.7600 178.9 0.340 28.5 0.1627 -7.4 0.8518 -55.4 2.000 0.7605 172.0 0.322 26.3 0.1463 -7.6 0.8473 -58.5 2.200 0.7622 159.1 0.288 24.5 0.1092 -1.2 0.8436 -65.0 2.400 0.7736 146.6 0.265 25.8 0.0851 19.8 0.8316 -72.9 2.600 0.7784 135.3 0.252 30.0 0.0940 48.9 0.8239 -80.3 2.800 0.7900 125.3 0.253 35.7 0.1319 64.8 0.8076 -89.5 3.000 0.7906 116.4 0.267 40.4 0.1842 68.9 0.7992 -98.7 3.500 0.7890 97.8 0.344 43.9 0.3165 60.7 0.7490 -124.8 4.000 0.7690 84.6 0.425 39.0 0.4201 49.3 0.6761 -147.3 4.500 0.7483 75.5 0.509 29.7 0.5119 35.5 0.6820 -171.6 5.000 0.7328 68.9 0.559 19.8 0.5623 23.9 0.6656 168.0 5.500 0.7218 63.3 0.586 11.9 0.5955 14.0 0.6573 150.2 6.000 0.7043 58.7 0.612 3.8 0.6170 4.7 0.6559 134.9 ! ! SIEMENS AG Semiconductor Group, Munich