! SIEMENS Small Signal Semiconductors ! BFS481 ! Si NPN RF Bipolar Junction Transistor in SOT363 ! VCE = 0.75 V IC = 6 mA ! Common Emitter S-Parameters: October 1994 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.7988 -3.4 14.208 177.8 0.0019 85.7 0.9557 -1.1 0.020 0.8001 -6.6 14.099 175.4 0.0044 81.9 0.9546 -2.4 0.030 0.7949 -9.9 14.153 173.3 0.0061 85.9 0.9515 -3.5 0.050 0.7866 -16.4 14.063 168.5 0.0099 80.8 0.9442 -5.9 0.100 0.7520 -31.8 13.354 157.1 0.0190 74.6 0.9099 -11.1 0.150 0.7006 -46.1 12.381 146.8 0.0264 67.6 0.8617 -15.2 0.200 0.6514 -58.7 11.289 138.4 0.0322 63.0 0.8112 -18.1 0.250 0.6025 -69.8 10.267 131.1 0.0372 59.6 0.7659 -20.2 0.300 0.5566 -80.1 9.280 124.8 0.0410 57.0 0.7256 -21.4 0.400 0.4901 -97.2 7.742 115.0 0.0470 54.2 0.6629 -22.6 0.500 0.4440 -110.5 6.546 107.6 0.0520 53.2 0.6214 -22.9 0.600 0.4138 -122.0 5.634 101.6 0.0565 53.1 0.5899 -22.9 0.700 0.3971 -132.3 4.913 96.8 0.0608 53.8 0.5690 -22.9 0.800 0.3793 -140.1 4.406 92.4 0.0652 54.9 0.5523 -22.9 0.900 0.3709 -147.8 3.954 88.9 0.0693 55.7 0.5399 -23.2 1.000 0.3666 -154.1 3.599 85.5 0.0739 56.6 0.5294 -23.5 1.100 0.3643 -159.7 3.290 82.1 0.0784 57.3 0.5211 -24.0 1.200 0.3619 -165.2 3.044 79.1 0.0832 57.8 0.5125 -24.5 1.300 0.3626 -169.6 2.836 76.5 0.0876 58.7 0.5066 -25.2 1.400 0.3615 -174.1 2.642 73.8 0.0928 59.4 0.5008 -25.9 1.500 0.3672 -178.4 2.494 71.0 0.0973 60.0 0.4955 -26.7 1.600 0.3707 178.3 2.346 68.5 0.1022 60.4 0.4915 -27.6 1.700 0.3723 175.0 2.230 66.2 0.1070 60.8 0.4870 -28.5 1.800 0.3764 171.4 2.111 63.6 0.1125 61.0 0.4828 -29.6 1.900 0.3817 168.3 2.005 61.3 0.1180 61.1 0.4781 -30.8 2.000 0.3836 165.4 1.923 59.2 0.1234 61.4 0.4753 -32.0 2.200 0.3917 160.0 1.772 54.7 0.1343 61.3 0.4664 -34.5 2.400 0.4018 155.2 1.647 50.7 0.1454 61.1 0.4590 -37.2 2.600 0.4072 150.6 1.539 46.6 0.1573 60.8 0.4528 -40.0 2.800 0.4179 146.5 1.439 42.5 0.1692 60.0 0.4462 -43.3 3.000 0.4281 142.4 1.363 38.7 0.1808 59.5 0.4382 -46.5 3.200 0.4400 138.5 1.291 35.1 0.1938 58.9 0.4324 -50.1 3.400 0.4501 135.1 1.227 31.6 0.2064 58.0 0.4258 -53.9 3.600 0.4628 131.7 1.171 28.0 0.2201 56.8 0.4176 -57.9 3.800 0.4711 128.9 1.117 25.0 0.2322 55.7 0.4076 -62.0 4.000 0.4808 125.7 1.070 21.7 0.2462 54.4 0.4019 -66.3 4.500 0.5035 120.1 0.973 13.9 0.2804 50.8 0.3845 -77.5 5.000 0.5130 114.0 0.886 7.1 0.3173 46.8 0.3795 -87.2 5.500 0.5089 108.6 0.833 -0.5 0.3634 40.5 0.3835 -99.9 6.000 0.5003 101.9 0.781 -8.0 0.4058 32.9 0.3838 -111.2 ! ! SIEMENS AG Semiconductor Group, Munich