! SIEMENS Small Signal Semiconductors ! BF660 ! Si PNP RF Bipolar Junction Transistor in SOT23 ! VCE = -20 V IC = -6 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 0.8478 -13.1 14.701 169.8 0.0018 84.9 0.9944 -1.1 0.020 0.8201 -25.8 14.118 160.1 0.0039 75.1 0.9849 -2.1 0.050 0.7027 -57.6 11.445 137.0 0.0077 63.1 0.9525 -3.8 0.100 0.5592 -91.6 7.653 114.8 0.0112 54.7 0.9195 -4.2 0.150 0.5050 -111.1 5.509 103.2 0.0139 54.5 0.9070 -4.3 0.200 0.4836 -124.2 4.243 95.2 0.0160 54.2 0.9008 -4.6 0.250 0.4829 -133.7 3.432 89.3 0.0181 55.1 0.8992 -4.9 0.300 0.4882 -140.9 2.876 84.6 0.0200 55.0 0.8974 -5.4 0.400 0.5057 -152.7 2.154 77.0 0.0229 55.8 0.8978 -6.6 0.500 0.5273 -161.4 1.722 70.4 0.0255 57.3 0.8973 -7.9 0.600 0.5445 -168.8 1.425 64.6 0.0272 59.8 0.8978 -9.2 0.700 0.5649 -175.1 1.218 59.3 0.0293 63.2 0.8988 -10.6 0.800 0.5804 178.9 1.060 54.3 0.0308 66.7 0.8998 -12.1 0.900 0.5979 173.7 0.938 49.5 0.0326 71.2 0.9004 -13.8 1.000 0.6095 168.9 0.840 45.0 0.0351 76.1 0.9013 -15.2 1.100 0.6241 164.1 0.757 40.6 0.0380 81.4 0.9022 -16.9 1.200 0.6412 159.7 0.687 36.6 0.0417 85.7 0.9039 -18.6 1.300 0.6500 155.6 0.622 32.7 0.0461 90.2 0.9042 -20.4 1.400 0.6610 151.9 0.575 29.3 0.0514 94.1 0.9053 -21.9 1.500 0.6732 147.9 0.527 25.8 0.0575 97.2 0.9070 -23.6 1.600 0.6835 144.1 0.485 22.8 0.0645 99.5 0.9065 -25.7 1.700 0.6926 140.5 0.443 19.4 0.0723 101.2 0.9073 -27.6 1.800 0.7002 137.2 0.406 17.7 0.0808 102.6 0.9074 -29.2 1.900 0.7128 134.2 0.372 14.5 0.0905 103.4 0.9075 -31.2 2.000 0.7219 130.3 0.339 13.5 0.1004 103.8 0.9057 -33.3 2.200 0.7321 124.0 0.283 9.7 0.1228 103.5 0.9022 -37.3 2.400 0.7496 117.4 0.232 8.7 0.1478 101.8 0.8983 -41.7 2.600 0.7624 111.6 0.192 12.9 0.1743 99.5 0.8931 -45.9 2.800 0.7735 105.5 0.159 20.6 0.2024 96.6 0.8827 -50.6 3.000 0.7810 100.0 0.143 33.8 0.2320 93.2 0.8746 -55.1 ! ! SIEMENS AG Semiconductor Group, Munich