! SIEMENS Small Signal Semiconductors ! BFQ81 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 3 V IC = 30 mA ! Common Emitter S-Parameters: August 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.5397 -11.8 45.867 171.2 0.0025 84.3 0.9479 -4.7 0.020 0.5239 -22.9 44.396 164.3 0.0049 80.8 0.9324 -9.7 0.050 0.4742 -52.5 37.903 145.0 0.0116 71.7 0.8217 -20.9 0.100 0.3932 -90.3 27.579 124.9 0.0188 66.1 0.6460 -29.4 0.150 0.3421 -113.7 20.552 112.7 0.0243 64.7 0.5313 -30.9 0.200 0.3238 -129.5 16.258 105.8 0.0288 66.2 0.4714 -29.9 0.250 0.3106 -141.0 13.284 100.3 0.0341 67.1 0.4293 -28.3 0.300 0.3014 -149.4 11.246 96.7 0.0394 69.0 0.4076 -27.3 0.400 0.2985 -162.6 8.601 91.1 0.0494 70.9 0.3779 -25.1 0.500 0.2981 -171.7 6.924 86.3 0.0602 71.7 0.3630 -24.0 0.600 0.3001 -179.1 5.816 82.2 0.0711 71.9 0.3547 -24.0 0.700 0.3004 174.6 5.027 78.5 0.0818 72.0 0.3465 -24.3 0.800 0.3039 169.3 4.412 75.3 0.0929 71.1 0.3402 -24.7 0.900 0.3009 164.4 3.938 72.2 0.1040 70.7 0.3377 -25.2 1.000 0.3119 159.5 3.570 69.2 0.1146 69.9 0.3337 -26.6 1.100 0.3192 155.3 3.272 66.4 0.1257 69.1 0.3288 -28.0 1.200 0.3249 150.8 3.020 63.5 0.1370 68.4 0.3240 -29.2 1.300 0.3262 148.0 2.793 61.1 0.1477 67.4 0.3202 -30.6 1.400 0.3350 144.2 2.612 58.5 0.1579 66.5 0.3169 -32.3 1.500 0.3400 141.1 2.469 56.0 0.1688 65.5 0.3119 -34.0 1.600 0.3473 137.6 2.312 53.2 0.1795 64.4 0.3069 -35.5 1.700 0.3542 134.3 2.196 50.6 0.1902 63.3 0.3003 -37.2 1.800 0.3676 131.1 2.098 48.5 0.2008 62.2 0.2963 -39.1 1.900 0.3748 128.7 2.005 46.0 0.2119 61.2 0.2903 -41.5 2.000 0.3797 126.4 1.909 43.6 0.2222 60.0 0.2826 -43.6 2.200 0.3999 121.3 1.759 39.0 0.2440 57.6 0.2704 -47.4 2.400 0.4170 116.0 1.643 34.5 0.2644 55.3 0.2516 -52.4 2.600 0.4399 111.3 1.532 30.3 0.2847 52.7 0.2355 -57.2 2.800 0.4596 107.6 1.448 26.3 0.3053 50.2 0.2150 -63.8 3.000 0.4826 103.6 1.364 22.2 0.3247 47.8 0.1975 -70.1 3.500 0.5383 95.5 1.204 13.1 0.3742 41.5 0.1512 -95.3 4.000 0.5930 88.5 1.079 4.8 0.4175 34.5 0.1250 -134.5 4.500 0.6289 81.9 0.971 -2.9 0.4533 27.6 0.1422 -172.0 5.000 0.6614 75.6 0.889 -9.5 0.4866 21.2 0.1853 161.0 5.500 0.6818 69.1 0.791 -12.2 0.5015 17.0 0.1990 152.8 6.000 0.6929 64.9 0.764 -17.2 0.5497 10.5 0.2941 137.0 ! ! SIEMENS AG Semiconductor Group, Munich