! SIEMENS Small Signal Semiconductors ! BF660 ! Si PNP RF Bipolar Junction Transistor in SOT23 ! VCE = -1 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 0.6063 -57.8 7.942 145.6 0.0160 53.0 0.7448 -8.6 0.020 0.5057 -91.8 5.550 127.0 0.0221 35.4 0.6704 -8.9 0.050 0.4263 -129.9 2.715 111.8 0.0259 23.0 0.6176 -6.5 0.100 0.4511 -146.3 1.620 103.8 0.0275 23.1 0.6053 -5.9 0.150 0.4940 -153.6 1.211 97.3 0.0289 27.4 0.6016 -6.6 0.200 0.5299 -158.9 0.980 90.4 0.0305 31.6 0.5997 -7.9 0.250 0.5603 -163.6 0.826 84.2 0.0324 36.3 0.5976 -9.2 0.300 0.5831 -167.5 0.717 78.0 0.0344 40.7 0.5938 -10.5 0.400 0.6186 -174.7 0.568 67.4 0.0390 48.3 0.5883 -13.4 0.500 0.6444 180.0 0.470 58.3 0.0447 54.6 0.5820 -16.3 0.600 0.6628 174.8 0.401 50.8 0.0507 59.7 0.5739 -19.2 0.700 0.6782 169.9 0.349 43.9 0.0579 64.0 0.5659 -22.1 0.800 0.6923 165.6 0.308 38.3 0.0655 67.1 0.5570 -25.1 0.900 0.7057 161.3 0.275 34.6 0.0736 69.6 0.5472 -28.1 1.000 0.7134 157.4 0.248 31.1 0.0827 71.4 0.5374 -31.0 1.100 0.7249 153.3 0.223 29.0 0.0922 73.0 0.5273 -34.0 1.200 0.7375 149.4 0.202 29.2 0.1024 73.8 0.5162 -37.0 1.300 0.7412 145.9 0.185 29.8 0.1131 74.2 0.5044 -40.0 1.400 0.7485 142.3 0.172 31.8 0.1244 74.3 0.4934 -42.9 1.500 0.7530 138.8 0.163 33.8 0.1358 74.0 0.4816 -45.8 1.600 0.7568 135.6 0.161 38.2 0.1479 73.4 0.4681 -49.0 1.700 0.7616 132.4 0.154 40.5 0.1603 72.8 0.4557 -52.0 1.800 0.7617 129.2 0.157 46.1 0.1728 71.8 0.4437 -54.8 1.900 0.7651 126.3 0.163 48.4 0.1856 70.8 0.4302 -57.8 2.000 0.7711 122.9 0.165 53.4 0.1984 69.7 0.4164 -60.8 2.200 0.7687 117.1 0.189 55.9 0.2243 66.9 0.3904 -66.7 2.400 0.7708 111.5 0.215 57.5 0.2498 63.7 0.3626 -72.8 2.600 0.7664 106.2 0.244 56.4 0.2743 60.3 0.3375 -78.7 2.800 0.7652 101.4 0.272 54.8 0.2978 57.0 0.3105 -85.1 3.000 0.7616 96.7 0.296 52.9 0.3202 53.4 0.2867 -91.4 ! ! SIEMENS AG Semiconductor Group, Munich