! SIEMENS Small Signal Semiconductors ! BF660 ! Si PNP RF Bipolar Junction Transistor in SOT23 ! VCE = -2.5 V IC = -1.2 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 0.9495 -6.9 4.170 174.9 0.0036 86.9 0.9987 -0.8 0.020 0.9393 -13.5 4.131 169.6 0.0074 82.9 0.9939 -1.6 0.050 0.9002 -32.6 3.869 155.2 0.0171 71.9 0.9801 -3.6 0.100 0.8056 -60.1 3.279 135.7 0.0289 58.2 0.9502 -5.9 0.150 0.7207 -81.8 2.737 121.1 0.0361 50.0 0.9257 -7.1 0.200 0.6523 -98.5 2.288 109.7 0.0406 45.0 0.9087 -8.0 0.250 0.6130 -111.6 1.947 100.8 0.0439 42.1 0.8991 -8.6 0.300 0.5855 -122.1 1.691 93.6 0.0464 40.5 0.8898 -9.4 0.400 0.5592 -137.8 1.318 82.1 0.0500 39.1 0.8834 -11.1 0.500 0.5547 -149.0 1.082 72.5 0.0533 38.9 0.8786 -12.9 0.600 0.5569 -158.3 0.912 64.5 0.0552 39.5 0.8745 -14.9 0.700 0.5632 -165.7 0.791 57.2 0.0573 40.8 0.8719 -17.0 0.800 0.5751 -172.3 0.696 50.6 0.0583 42.3 0.8699 -19.1 0.900 0.5877 -178.1 0.620 44.6 0.0590 44.7 0.8678 -21.5 1.000 0.5975 176.4 0.560 39.1 0.0598 47.7 0.8652 -23.7 1.100 0.6119 171.1 0.508 34.0 0.0605 51.8 0.8633 -26.1 1.200 0.6310 166.1 0.461 29.6 0.0620 56.5 0.8609 -28.6 1.300 0.6368 161.8 0.417 25.4 0.0645 61.5 0.8581 -31.2 1.400 0.6487 157.6 0.384 22.2 0.0684 67.0 0.8538 -33.7 1.500 0.6639 153.1 0.350 18.9 0.0736 71.9 0.8500 -36.3 1.600 0.6713 149.2 0.316 16.7 0.0807 76.1 0.8443 -39.2 1.700 0.6821 145.3 0.286 13.4 0.0893 79.8 0.8395 -41.9 1.800 0.6928 141.6 0.256 13.3 0.0994 82.5 0.8330 -44.6 1.900 0.7009 138.1 0.231 12.9 0.1110 84.6 0.8255 -47.5 2.000 0.7089 134.0 0.208 14.6 0.1234 85.8 0.8167 -50.5 2.200 0.7229 127.1 0.173 18.4 0.1520 86.4 0.7964 -56.3 2.400 0.7333 120.3 0.148 29.5 0.1839 84.9 0.7743 -62.5 2.600 0.7446 114.0 0.152 43.4 0.2164 82.2 0.7497 -68.6 2.800 0.7525 107.8 0.171 53.7 0.2503 78.8 0.7206 -75.0 3.000 0.7539 102.1 0.196 60.5 0.2837 74.7 0.6915 -81.4 ! ! SIEMENS AG Semiconductor Group, Munich