! SIEMENS Small Signal Semiconductors ! BFR181W ! Si NPN RF Bipolar Junction Transistor in SOT323 ! VCE = 1 V IC = 5 mA ! Common Emitter S-Parameters: September 1992 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.100 0.8116 -23.9 12.551 161.0 0.0190 77.3 0.9460 -10.2 0.150 0.7710 -35.1 11.932 152.2 0.0277 72.1 0.9095 -14.5 0.200 0.7249 -45.1 11.207 144.5 0.0344 67.9 0.8681 -18.1 0.250 0.6766 -54.5 10.448 137.7 0.0407 64.4 0.8243 -20.9 0.300 0.6338 -62.9 9.678 131.6 0.0455 61.4 0.7847 -23.0 0.400 0.5520 -77.7 8.329 121.3 0.0535 57.9 0.7149 -25.8 0.500 0.4899 -90.4 7.208 113.6 0.0598 55.9 0.6615 -27.3 0.600 0.4416 -101.4 6.316 107.2 0.0656 55.4 0.6215 -28.2 0.700 0.4054 -111.2 5.581 101.6 0.0705 55.3 0.5925 -28.7 0.800 0.3785 -120.1 5.011 97.1 0.0752 55.8 0.5699 -29.2 0.900 0.3570 -127.7 4.514 93.2 0.0802 56.5 0.5532 -29.5 1.000 0.3451 -135.0 4.134 89.6 0.0848 57.2 0.5398 -29.9 1.200 0.3196 -148.0 3.512 83.2 0.0953 58.4 0.5193 -31.0 1.400 0.3161 -159.0 3.064 77.7 0.1052 59.7 0.5068 -32.3 1.500 0.3131 -163.9 2.879 75.2 0.1104 60.4 0.5019 -33.0 1.600 0.3058 -168.6 2.720 72.6 0.1159 61.1 0.4984 -33.8 1.800 0.3091 -176.9 2.453 68.1 0.1272 62.1 0.4923 -35.6 2.000 0.3065 176.0 2.236 63.8 0.1385 62.8 0.4894 -37.6 2.200 0.3087 169.3 2.052 59.9 0.1504 63.4 0.4885 -39.6 2.400 0.3165 163.8 1.915 56.1 0.1629 63.8 0.4878 -42.0 2.500 0.3118 160.0 1.845 54.2 0.1690 64.0 0.4881 -43.0 3.000 0.3361 147.8 1.588 45.7 0.2025 64.1 0.4903 -49.6 3.500 0.3484 137.4 1.410 38.1 0.2397 63.2 0.4912 -57.3 4.000 0.3833 127.5 1.276 30.8 0.2778 61.4 0.4895 -65.1 4.500 0.4007 118.9 1.164 24.8 0.3170 59.0 0.4840 -73.9 5.000 0.4344 111.4 1.086 18.5 0.3579 56.4 0.4783 -82.3 5.500 0.4550 103.2 1.005 13.3 0.4016 53.5 0.4772 -90.8 6.000 0.4740 96.8 0.932 8.7 0.4486 50.0 0.4827 -99.1 ! ! SIEMENS AG Semiconductor Group, Munich