! SIEMENS Small Signal Semiconductors ! BFP280 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 4 V IC = 3 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 0.8922 -1.3 8.693 178.9 0.0012 83.0 0.9944 -0.4 0.020 0.8952 -2.4 8.714 178.4 0.0024 86.2 0.9961 -1.0 0.050 0.8943 -5.1 8.751 175.2 0.0061 91.7 0.9918 -2.5 0.100 0.8825 -11.0 8.532 170.7 0.0110 82.6 0.9885 -5.0 0.150 0.8735 -16.4 8.569 165.9 0.0170 79.6 0.9813 -7.4 0.200 0.8547 -21.7 8.466 161.3 0.0222 77.4 0.9706 -9.8 0.250 0.8464 -27.0 8.253 156.9 0.0273 74.5 0.9585 -12.1 0.300 0.8236 -31.9 8.174 153.0 0.0328 70.8 0.9467 -14.2 0.400 0.7821 -42.0 7.820 144.1 0.0415 66.2 0.9138 -18.2 0.500 0.7304 -51.3 7.308 136.5 0.0491 60.8 0.8816 -21.6 0.600 0.6839 -60.0 6.922 129.6 0.0558 56.9 0.8479 -24.7 0.700 0.6359 -68.1 6.455 123.2 0.0616 53.5 0.8142 -27.2 0.800 0.5870 -76.6 6.115 117.3 0.0661 50.1 0.7845 -29.3 0.900 0.5466 -83.8 5.740 111.9 0.0708 47.4 0.7562 -31.2 1.000 0.5084 -91.5 5.339 107.0 0.0739 45.2 0.7325 -32.9 1.100 0.4736 -99.1 5.062 102.1 0.0781 43.2 0.7110 -34.4 1.200 0.4399 -105.8 4.753 98.1 0.0808 41.1 0.6933 -35.9 1.300 0.4184 -113.1 4.479 94.1 0.0834 39.8 0.6757 -37.2 1.400 0.3856 -120.5 4.250 90.2 0.0860 38.5 0.6598 -38.4 1.500 0.3711 -128.0 4.052 86.2 0.0888 37.4 0.6455 -39.5 1.600 0.3490 -135.3 3.842 82.9 0.0910 36.5 0.6341 -40.6 1.700 0.3334 -143.0 3.658 79.4 0.0932 35.3 0.6205 -41.9 1.800 0.3246 -150.8 3.487 76.1 0.0958 34.6 0.6099 -43.0 1.900 0.3168 -157.5 3.337 73.1 0.0981 33.4 0.6008 -44.2 2.000 0.3078 -164.9 3.181 70.1 0.1003 32.6 0.5927 -45.2 2.200 0.3038 -179.4 2.927 64.0 0.1041 31.1 0.5756 -47.7 2.400 0.3056 168.3 2.713 58.7 0.1086 29.5 0.5619 -50.3 2.600 0.3208 155.8 2.519 53.5 0.1120 28.2 0.5450 -52.8 2.800 0.3361 146.1 2.346 48.1 0.1162 26.7 0.5355 -55.5 3.000 0.3569 136.2 2.211 43.1 0.1195 25.3 0.5212 -58.2 3.500 0.4149 118.2 1.895 31.4 0.1290 21.7 0.5003 -65.6 4.000 0.4710 105.0 1.652 20.5 0.1375 17.9 0.4803 -74.2 4.500 0.5217 95.0 1.448 10.1 0.1441 13.8 0.4645 -83.5 5.000 0.5576 87.3 1.287 1.5 0.1488 12.2 0.4547 -92.4 5.500 0.5980 80.9 1.163 -7.8 0.1585 8.7 0.4581 -102.8 6.000 0.6313 75.1 1.052 -16.4 0.1648 5.3 0.4651 -113.0 ! ! f Fmin Gammaopt rn/50 ! GHz dB MAG ANG - 0.450 1.60 0.58 11 0.70 0.900 1.70 0.48 25 0.64 1.800 2.05 0.33 49 0.52 ! ! SIEMENS AG Semiconductor Group, Munich