! SIEMENS Small Signal Semiconductors ! BF660 ! Si PNP RF Bipolar Junction Transistor in SOT23 ! VCE = -3.5 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 0.5999 -157.4 3.618 122.1 0.0080 27.0 0.6632 -4.0 0.020 0.6603 -166.9 2.077 111.4 0.0091 20.4 0.6441 -3.0 0.050 0.6983 -173.4 1.011 102.7 0.0095 23.7 0.6361 -2.9 0.100 0.7286 -177.0 0.598 90.3 0.0107 36.0 0.6313 -4.2 0.150 0.7479 -179.8 0.426 79.1 0.0124 49.0 0.6261 -5.6 0.200 0.7595 177.6 0.329 69.3 0.0147 58.5 0.6198 -7.0 0.250 0.7683 175.3 0.266 60.8 0.0175 66.0 0.6136 -8.2 0.300 0.7766 173.2 0.223 53.9 0.0207 70.5 0.6072 -9.5 0.400 0.7834 168.8 0.164 43.3 0.0276 77.2 0.5965 -11.7 0.500 0.7886 165.1 0.127 36.9 0.0354 80.5 0.5865 -13.7 0.600 0.7907 161.3 0.102 36.0 0.0432 82.5 0.5765 -15.7 0.700 0.7965 157.6 0.084 37.0 0.0517 83.6 0.5685 -17.6 0.800 0.8021 154.0 0.073 42.7 0.0600 84.0 0.5605 -19.5 0.900 0.8051 150.8 0.069 49.9 0.0688 84.2 0.5525 -21.5 1.000 0.8080 147.3 0.069 61.1 0.0781 84.1 0.5452 -23.4 1.100 0.8107 143.8 0.074 66.9 0.0873 83.9 0.5376 -25.4 1.200 0.8176 140.4 0.082 73.5 0.0969 83.2 0.5306 -27.4 1.300 0.8142 137.5 0.092 76.8 0.1066 82.7 0.5222 -29.5 1.400 0.8153 134.3 0.106 79.3 0.1168 81.8 0.5150 -31.4 1.500 0.8171 131.2 0.117 78.8 0.1264 81.0 0.5070 -33.3 1.600 0.8171 128.2 0.130 79.1 0.1371 79.9 0.4983 -35.6 1.700 0.8149 125.4 0.140 78.6 0.1478 78.9 0.4907 -37.7 1.800 0.8124 122.8 0.153 78.6 0.1585 77.6 0.4825 -39.6 1.900 0.8129 119.9 0.164 77.5 0.1698 76.6 0.4740 -41.6 2.000 0.8123 116.9 0.176 76.8 0.1807 75.3 0.4651 -43.8 2.200 0.8087 111.6 0.201 73.1 0.2024 72.6 0.4469 -47.8 2.400 0.8040 106.4 0.223 70.6 0.2253 69.6 0.4288 -52.2 2.600 0.8033 101.6 0.249 66.7 0.2471 66.6 0.4114 -56.4 2.800 0.7962 97.0 0.271 63.6 0.2689 63.6 0.3912 -60.7 3.000 0.7911 92.4 0.292 61.1 0.2899 60.4 0.3727 -65.3 ! ! SIEMENS AG Semiconductor Group, Munich