! SIEMENS Small Signal Semiconductors ! BFP280 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 3.5 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 0.9237 -1.1 6.253 179.2 0.0012 85.8 0.9965 -0.4 0.020 0.9321 -1.8 6.337 178.8 0.0022 86.5 0.9891 -0.8 0.050 0.9246 -4.2 6.290 176.0 0.0060 89.7 0.9942 -2.1 0.100 0.9154 -9.0 6.173 172.2 0.0118 84.1 0.9915 -4.1 0.150 0.9112 -13.4 6.228 168.2 0.0176 81.8 0.9866 -6.1 0.200 0.8998 -17.8 6.156 164.4 0.0234 78.3 0.9815 -8.2 0.250 0.8922 -22.1 6.062 160.5 0.0288 76.4 0.9745 -10.1 0.300 0.8767 -26.5 6.047 157.2 0.0343 73.5 0.9656 -12.0 0.400 0.8460 -34.7 5.863 149.2 0.0443 68.2 0.9451 -15.7 0.500 0.8050 -43.1 5.596 142.3 0.0529 63.8 0.9215 -18.9 0.600 0.7676 -50.7 5.419 135.8 0.0613 59.8 0.8962 -22.0 0.700 0.7279 -58.2 5.131 129.6 0.0681 55.8 0.8694 -24.8 0.800 0.6843 -65.6 4.943 123.7 0.0741 52.0 0.8434 -27.2 0.900 0.6409 -72.1 4.686 118.5 0.0798 48.9 0.8186 -29.3 1.000 0.6081 -79.1 4.424 113.4 0.0843 46.3 0.7960 -31.3 1.100 0.5688 -86.4 4.250 108.4 0.0891 43.5 0.7751 -33.1 1.200 0.5347 -92.6 4.028 104.1 0.0927 40.9 0.7563 -35.0 1.300 0.5027 -99.5 3.837 99.7 0.0959 38.9 0.7376 -36.5 1.400 0.4682 -105.7 3.671 95.6 0.0988 37.0 0.7201 -38.1 1.500 0.4478 -113.3 3.532 91.4 0.1011 35.6 0.7025 -39.3 1.600 0.4209 -119.7 3.361 87.7 0.1041 34.0 0.6907 -40.5 1.700 0.4021 -126.3 3.213 84.2 0.1059 32.4 0.6757 -42.0 1.800 0.3827 -133.7 3.086 80.4 0.1085 31.4 0.6644 -43.1 1.900 0.3682 -141.0 2.964 77.2 0.1108 29.7 0.6524 -44.5 2.000 0.3535 -147.6 2.839 73.9 0.1130 28.7 0.6430 -45.6 2.200 0.3379 -162.4 2.626 67.4 0.1161 26.5 0.6220 -48.3 2.400 0.3293 -176.2 2.449 61.6 0.1198 24.4 0.6066 -50.9 2.600 0.3349 170.4 2.281 56.0 0.1223 23.0 0.5872 -53.4 2.800 0.3441 158.6 2.134 50.1 0.1257 20.9 0.5768 -56.1 3.000 0.3581 147.8 2.017 44.8 0.1279 19.3 0.5606 -58.7 3.500 0.4080 126.2 1.737 32.3 0.1353 15.8 0.5394 -66.1 4.000 0.4642 111.1 1.519 20.8 0.1410 12.0 0.5188 -74.4 4.500 0.5156 99.0 1.332 10.0 0.1450 8.1 0.5052 -83.6 5.000 0.5515 90.7 1.185 1.0 0.1470 6.6 0.4964 -92.5 5.500 0.5930 83.2 1.070 -8.5 0.1549 4.2 0.4983 -102.8 6.000 0.6287 77.1 0.965 -17.2 0.1606 1.0 0.5066 -112.9 ! ! 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