! SIEMENS Small Signal Semiconductors ! BF999 ! Si MOSFET Triode in SOT23 ! VDS = 10 V ID = 10 mA ! Common Source S-Parameters: July 1993 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.050 0.9980 -4.9 1.575 172.1 0.0008 91.4 0.9965 -1.8 0.060 0.9977 -5.8 1.574 170.5 0.0009 84.8 0.9964 -2.1 0.080 0.9957 -7.7 1.569 167.2 0.0011 86.2 0.9957 -2.9 0.100 0.9931 -9.6 1.562 163.9 0.0015 83.7 0.9957 -3.6 0.150 0.9860 -14.3 1.539 155.9 0.0021 79.4 0.9939 -5.3 0.200 0.9755 -18.8 1.504 148.0 0.0026 80.2 0.9919 -7.0 0.250 0.9643 -23.2 1.465 140.5 0.0031 79.2 0.9891 -8.8 0.300 0.9513 -27.4 1.425 133.4 0.0035 76.0 0.9875 -10.5 0.400 0.9271 -35.8 1.345 119.8 0.0039 76.6 0.9817 -13.8 0.500 0.8994 -44.3 1.276 106.6 0.0035 74.8 0.9754 -17.1 0.600 0.8697 -52.6 1.197 93.5 0.0025 95.2 0.9692 -20.3 0.700 0.8373 -60.5 1.111 80.9 0.0028 141.5 0.9644 -23.5 0.800 0.8093 -67.8 1.025 69.3 0.0053 167.9 0.9584 -26.9 0.900 0.7854 -74.4 0.941 58.7 0.0095 172.8 0.9502 -30.4 ! ! SIEMENS AG Semiconductor Group, Munich