! SIEMENS Small Signal Semiconductors ! BF660 ! Si PNP RF Bipolar Junction Transistor in SOT23 ! VCE = -15 V IC = -12 mA ! Common Emitter S-Parameters: January 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.7371 -21.5 21.870 164.5 0.0019 81.1 0.9875 -1.7 0.020 0.6919 -41.1 19.997 150.7 0.0037 71.1 0.9681 -3.0 0.050 0.5593 -82.8 13.670 123.7 0.0067 58.5 0.9219 -4.0 0.100 0.4849 -116.2 7.974 104.1 0.0095 55.7 0.8955 -3.8 0.150 0.4821 -132.1 5.484 94.7 0.0119 56.8 0.8892 -3.7 0.200 0.4923 -142.6 4.139 88.1 0.0139 55.9 0.8861 -4.1 0.250 0.5107 -150.0 3.312 83.2 0.0159 57.3 0.8866 -4.6 0.300 0.5260 -155.4 2.758 79.1 0.0174 58.0 0.8855 -5.2 0.400 0.5543 -165.2 2.053 72.1 0.0201 60.5 0.8865 -6.5 0.500 0.5765 -172.1 1.635 65.9 0.0223 63.1 0.8873 -8.0 0.600 0.5928 -178.4 1.350 60.2 0.0246 67.2 0.8875 -9.4 0.700 0.6102 176.2 1.153 54.9 0.0272 72.3 0.8879 -10.9 0.800 0.6266 171.3 1.002 49.7 0.0296 76.8 0.8899 -12.5 0.900 0.6404 166.7 0.884 44.8 0.0326 81.6 0.8904 -14.2 1.000 0.6500 162.5 0.790 40.0 0.0361 86.2 0.8911 -15.9 1.100 0.6622 158.3 0.711 35.6 0.0403 90.8 0.8923 -17.5 1.200 0.6780 154.3 0.642 31.4 0.0452 94.1 0.8929 -19.4 1.300 0.6863 150.5 0.579 27.2 0.0510 97.5 0.8942 -21.2 1.400 0.6968 147.1 0.529 23.9 0.0576 99.9 0.8938 -22.9 1.500 0.7063 143.4 0.483 20.2 0.0649 102.0 0.8949 -24.8 1.600 0.7150 140.0 0.442 16.9 0.0729 103.0 0.8930 -26.9 1.700 0.7244 136.7 0.401 13.5 0.0819 104.1 0.8933 -28.9 1.800 0.7329 133.2 0.364 11.2 0.0915 104.2 0.8935 -30.8 1.900 0.7430 130.4 0.327 8.7 0.1022 104.4 0.8927 -32.8 2.000 0.7496 126.9 0.295 7.6 0.1129 104.2 0.8896 -35.0 2.200 0.7608 120.8 0.237 4.5 0.1365 102.7 0.8837 -39.3 2.400 0.7743 114.4 0.185 6.0 0.1625 100.3 0.8755 -43.9 2.600 0.7863 108.5 0.148 13.0 0.1902 97.5 0.8670 -48.3 2.800 0.7946 103.1 0.124 30.0 0.2187 94.0 0.8526 -53.1 3.000 0.7961 97.3 0.120 49.2 0.2484 90.2 0.8403 -58.0 ! ! SIEMENS AG Semiconductor Group, Munich