! SIEMENS Small Signal Semiconductors ! BF660 ! Si PNP RF Bipolar Junction Transistor in SOT23 ! VCE = -20 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 0.9610 -5.4 4.099 175.8 0.0020 88.6 0.9996 -0.5 0.020 0.9527 -10.6 4.073 171.5 0.0041 84.0 0.9964 -0.9 0.050 0.9206 -25.9 3.881 159.4 0.0095 75.7 0.9899 -2.1 0.100 0.8389 -48.7 3.424 142.2 0.0168 64.4 0.9749 -3.6 0.150 0.7562 -67.6 2.961 128.7 0.0220 57.1 0.9601 -4.6 0.200 0.6817 -83.1 2.544 117.6 0.0255 51.9 0.9486 -5.3 0.250 0.6289 -96.1 2.200 108.9 0.0281 49.6 0.9420 -5.9 0.300 0.5932 -106.6 1.930 101.8 0.0301 47.4 0.9358 -6.4 0.400 0.5489 -123.1 1.521 90.7 0.0331 45.9 0.9308 -7.6 0.500 0.5359 -136.0 1.252 81.8 0.0360 45.3 0.9286 -8.9 0.600 0.5293 -146.3 1.056 74.2 0.0377 45.9 0.9250 -10.2 0.700 0.5338 -155.1 0.915 67.6 0.0394 47.3 0.9251 -11.7 0.800 0.5435 -162.8 0.804 61.6 0.0402 48.7 0.9252 -13.2 0.900 0.5529 -169.6 0.718 56.0 0.0407 50.9 0.9223 -14.8 1.000 0.5642 -176.0 0.646 51.0 0.0414 54.1 0.9233 -16.3 1.100 0.5785 178.1 0.587 46.4 0.0418 58.5 0.9245 -17.8 1.200 0.5963 172.4 0.534 42.1 0.0428 63.1 0.9259 -19.5 1.300 0.6041 167.6 0.485 38.1 0.0441 68.5 0.9248 -21.3 1.400 0.6166 162.9 0.449 34.6 0.0466 74.3 0.9257 -22.9 1.500 0.6307 158.0 0.414 31.4 0.0497 80.0 0.9255 -24.6 1.600 0.6395 153.8 0.383 28.5 0.0545 85.2 0.9252 -26.7 1.700 0.6531 149.6 0.351 25.4 0.0605 89.5 0.9269 -28.6 1.800 0.6628 145.6 0.320 24.2 0.0672 93.6 0.9261 -30.3 1.900 0.6743 141.8 0.294 21.9 0.0757 96.3 0.9262 -32.3 2.000 0.6835 137.6 0.268 21.1 0.0848 98.2 0.9237 -34.3 2.200 0.6976 130.3 0.228 19.3 0.1061 100.5 0.9197 -38.3 2.400 0.7158 123.1 0.194 21.6 0.1306 100.4 0.9154 -42.7 2.600 0.7311 116.6 0.166 27.0 0.1571 99.2 0.9100 -46.9 2.800 0.7428 110.3 0.151 37.4 0.1860 96.9 0.8997 -51.5 3.000 0.7527 104.3 0.150 50.3 0.2162 93.9 0.8918 -56.1 ! ! SIEMENS AG Semiconductor Group, Munich