! SIEMENS Small Signal Semiconductors ! BFP280 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 2 V IC = 2 mA ! Common Emitter S-Parameters: March 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9164 -1.0 6.278 179.4 0.0012 87.4 0.9965 -0.4 0.020 0.9244 -1.9 6.273 178.9 0.0026 84.2 0.9943 -0.8 0.050 0.9207 -4.5 6.323 176.0 0.0064 90.1 0.9948 -2.2 0.100 0.9109 -9.5 6.228 172.0 0.0123 84.5 0.9956 -4.3 0.150 0.9046 -14.3 6.220 167.8 0.0181 80.7 0.9868 -6.3 0.200 0.8970 -18.7 6.220 163.8 0.0244 78.8 0.9807 -8.4 0.250 0.8860 -23.3 6.067 159.8 0.0301 76.5 0.9727 -10.6 0.300 0.8743 -27.7 6.012 156.5 0.0357 73.4 0.9629 -12.4 0.400 0.8366 -36.4 5.867 148.3 0.0458 68.1 0.9407 -16.1 0.500 0.7966 -45.3 5.600 140.9 0.0550 62.8 0.9152 -19.5 0.600 0.7574 -52.5 5.353 134.7 0.0634 58.3 0.8888 -22.6 0.700 0.7199 -60.5 5.047 128.5 0.0703 54.5 0.8619 -25.4 0.800 0.6706 -67.9 4.860 122.4 0.0765 51.0 0.8356 -27.7 0.900 0.6295 -75.3 4.631 116.9 0.0818 47.8 0.8081 -30.0 1.000 0.5908 -82.7 4.375 111.7 0.0864 45.0 0.7842 -32.0 1.100 0.5577 -89.8 4.180 106.7 0.0907 42.1 0.7625 -33.7 1.200 0.5249 -96.5 3.945 102.6 0.0943 39.7 0.7440 -35.6 1.300 0.4970 -103.1 3.746 98.2 0.0974 37.8 0.7259 -37.0 1.400 0.4636 -110.0 3.578 94.1 0.1006 35.9 0.7102 -38.5 1.500 0.4399 -117.4 3.433 89.9 0.1027 34.4 0.6931 -39.7 1.600 0.4171 -123.7 3.262 86.4 0.1059 32.9 0.6812 -40.9 1.700 0.3944 -132.0 3.133 82.5 0.1076 31.5 0.6655 -42.4 1.800 0.3802 -139.0 3.006 78.8 0.1099 30.2 0.6532 -43.6 1.900 0.3706 -146.2 2.887 75.5 0.1116 28.7 0.6412 -44.9 2.000 0.3556 -152.8 2.758 72.3 0.1135 27.8 0.6318 -46.0 2.200 0.3415 -167.4 2.549 65.8 0.1174 25.7 0.6138 -48.7 2.400 0.3407 179.4 2.370 60.1 0.1206 23.7 0.5973 -51.3 2.600 0.3475 166.5 2.208 54.4 0.1234 22.1 0.5797 -53.8 2.800 0.3571 155.4 2.065 48.6 0.1265 20.4 0.5680 -56.5 3.000 0.3732 145.1 1.951 43.2 0.1290 18.7 0.5543 -59.3 3.500 0.4252 124.0 1.677 30.8 0.1363 15.2 0.5335 -66.6 4.000 0.4802 109.7 1.464 19.2 0.1419 11.5 0.5139 -75.2 4.500 0.5293 98.1 1.283 8.5 0.1460 7.8 0.4996 -84.6 5.000 0.5640 89.8 1.143 -0.5 0.1483 6.8 0.4925 -93.5 5.500 0.6035 82.7 1.028 -9.9 0.1569 3.8 0.4965 -104.0 6.000 0.6402 76.4 0.929 -18.8 0.1622 0.9 0.5037 -114.3 ! ! f Fmin Gammaopt rn/50 ! GHz dB MAG ANG - 0.450 1.45 0.62 12 0.80 0.900 1.55 0.53 25 0.80 1.800 2.00 0.38 50 0.56 ! ! SIEMENS AG Semiconductor Group, Munich