! SIEMENS Small Signal Semiconductors ! BF993 ! Si Dual Gate MOSFET Tetrode in SOT143 ! VDS = 10 V VG2S = 4 V ID = 15 mA ! Common Source S-Parameters: March 1991 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9998 -2.4 2.821 176.7 0.0003 93.7 0.9955 -1.1 0.020 0.9989 -4.8 2.820 173.7 0.0007 84.6 0.9945 -2.0 0.030 0.9978 -7.2 2.811 170.4 0.0009 86.3 0.9960 -3.1 0.040 0.9952 -9.5 2.803 167.3 0.0012 82.1 0.9956 -4.2 0.050 0.9920 -11.9 2.794 164.1 0.0014 81.2 0.9952 -5.2 0.060 0.9883 -14.2 2.783 160.9 0.0018 80.1 0.9949 -6.3 0.070 0.9844 -16.6 2.770 157.7 0.0021 79.2 0.9941 -7.4 0.080 0.9795 -18.9 2.753 154.6 0.0024 76.3 0.9934 -8.4 0.090 0.9739 -21.2 2.733 151.3 0.0028 75.9 0.9927 -9.4 0.100 0.9683 -23.5 2.709 148.2 0.0031 73.5 0.9917 -10.4 0.150 0.9328 -34.4 2.579 133.0 0.0042 64.0 0.9873 -15.5 0.200 0.8919 -44.6 2.420 118.6 0.0050 56.0 0.9823 -20.5 0.250 0.8484 -54.1 2.248 104.8 0.0057 48.8 0.9774 -25.4 0.300 0.8076 -62.8 2.076 92.0 0.0058 43.3 0.9724 -30.3 0.400 0.7351 -78.2 1.756 68.6 0.0057 36.4 0.9649 -39.7 0.500 0.6796 -91.4 1.492 47.4 0.0048 35.9 0.9602 -49.0 0.600 0.6394 -103.2 1.284 27.4 0.0038 51.6 0.9598 -58.2 ! ! SIEMENS AG Semiconductor Group, Munich