! SIEMENS Small Signal Semiconductors ! BF660 ! Si PNP RF Bipolar Junction Transistor in SOT23 ! VCE = -2.5 V IC = -25 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 0.6910 -166.7 2.536 114.2 0.0109 21.9 0.5684 -5.9 0.020 0.7295 -172.5 1.398 103.0 0.0120 17.1 0.5488 -4.6 0.050 0.7545 -177.0 0.640 89.9 0.0125 20.6 0.5371 -5.1 0.100 0.7744 -179.8 0.348 72.3 0.0134 32.4 0.5228 -7.7 0.150 0.7852 177.7 0.233 57.8 0.0152 46.5 0.5076 -9.7 0.200 0.7915 175.5 0.170 47.2 0.0181 56.7 0.4924 -11.4 0.250 0.7957 173.4 0.133 38.7 0.0219 64.6 0.4797 -12.7 0.300 0.8035 171.3 0.105 34.4 0.0258 69.0 0.4677 -13.7 0.400 0.8048 167.1 0.073 32.0 0.0348 74.8 0.4506 -15.5 0.500 0.8080 163.7 0.057 41.4 0.0443 77.2 0.4370 -17.1 0.600 0.8098 159.9 0.055 56.2 0.0542 78.4 0.4256 -18.7 0.700 0.8114 156.5 0.058 64.7 0.0643 79.0 0.4163 -20.3 0.800 0.8159 153.0 0.068 70.8 0.0741 78.7 0.4079 -22.0 0.900 0.8155 149.7 0.078 75.2 0.0839 78.3 0.3996 -23.8 1.000 0.8154 146.3 0.090 75.7 0.0942 77.7 0.3920 -25.5 1.100 0.8172 143.0 0.102 76.8 0.1046 77.1 0.3846 -27.3 1.200 0.8211 139.6 0.114 75.7 0.1149 76.2 0.3775 -29.2 1.300 0.8214 136.6 0.125 75.1 0.1255 75.2 0.3695 -31.1 1.400 0.8205 133.8 0.138 75.3 0.1364 74.2 0.3627 -32.8 1.500 0.8226 130.8 0.147 72.2 0.1468 73.2 0.3551 -34.8 1.600 0.8209 127.8 0.161 71.8 0.1571 72.0 0.3468 -36.9 1.700 0.8176 125.0 0.168 70.3 0.1679 70.9 0.3397 -38.9 1.800 0.8165 122.4 0.182 70.2 0.1787 69.5 0.3326 -40.8 1.900 0.8148 119.9 0.190 68.2 0.1899 68.3 0.3244 -42.8 2.000 0.8148 116.7 0.202 68.1 0.2006 67.0 0.3166 -44.8 2.200 0.8042 111.8 0.222 63.5 0.2221 64.3 0.3005 -48.8 2.400 0.8049 106.7 0.242 61.8 0.2435 61.4 0.2838 -53.1 2.600 0.8007 101.9 0.269 58.6 0.2638 58.5 0.2687 -57.2 2.800 0.7961 97.3 0.285 55.7 0.2840 55.6 0.2502 -61.7 3.000 0.7886 93.1 0.301 52.5 0.3030 52.5 0.2344 -66.4 ! ! SIEMENS AG Semiconductor Group, Munich