! SIEMENS Small Signal Semiconductors ! BFR181W ! Si NPN RF Bipolar Junction Transistor in SOT323 ! VCE = 8 V IC = 7 mA ! Common Emitter S-Parameters: September 1992 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.100 0.8048 -21.2 15.958 161.5 0.0156 79.0 0.9510 -10.0 0.150 0.7657 -31.0 15.180 153.0 0.0225 74.8 0.9148 -14.3 0.200 0.7168 -39.6 14.283 145.5 0.0281 70.9 0.8735 -17.8 0.250 0.6666 -47.8 13.330 138.9 0.0338 68.0 0.8297 -20.6 0.300 0.6208 -54.9 12.360 133.0 0.0380 65.6 0.7900 -22.8 0.400 0.5298 -67.6 10.680 123.1 0.0454 63.1 0.7190 -25.6 0.500 0.4617 -78.3 9.262 115.6 0.0519 61.6 0.6642 -27.0 0.600 0.4058 -87.7 8.125 109.4 0.0576 61.1 0.6231 -27.9 0.700 0.3638 -96.3 7.186 104.2 0.0630 61.5 0.5922 -28.3 0.800 0.3280 -104.0 6.457 99.9 0.0683 61.8 0.5684 -28.6 0.900 0.2989 -111.1 5.822 96.1 0.0737 62.2 0.5506 -28.7 1.000 0.2789 -118.5 5.332 92.8 0.0792 62.8 0.5364 -29.1 1.200 0.2427 -130.8 4.526 86.9 0.0902 63.6 0.5141 -29.8 1.400 0.2269 -142.9 3.941 81.8 0.1010 64.4 0.5003 -30.6 1.500 0.2208 -148.2 3.705 79.4 0.1066 64.7 0.4947 -31.2 1.600 0.2116 -153.6 3.500 77.1 0.1124 65.1 0.4910 -31.7 1.800 0.2094 -163.4 3.155 73.0 0.1240 65.5 0.4837 -33.0 2.000 0.2030 -173.2 2.863 69.1 0.1357 65.6 0.4799 -34.7 2.200 0.2002 180.0 2.631 65.4 0.1473 65.7 0.4784 -36.3 2.400 0.2076 174.1 2.450 62.1 0.1599 65.8 0.4771 -38.2 2.500 0.2036 169.1 2.355 60.3 0.1656 65.7 0.4768 -39.0 3.000 0.2241 155.4 2.030 52.4 0.1976 65.2 0.4780 -44.5 3.500 0.2376 144.3 1.798 45.2 0.2317 63.8 0.4768 -51.1 4.000 0.2703 132.8 1.628 37.9 0.2662 61.8 0.4742 -57.6 4.500 0.2942 123.4 1.488 31.7 0.3007 59.6 0.4664 -65.2 5.000 0.3254 116.9 1.390 25.6 0.3359 57.3 0.4607 -72.1 5.500 0.3439 108.5 1.292 19.6 0.3742 55.0 0.4595 -79.1 6.000 0.3687 102.8 1.216 14.8 0.4167 52.2 0.4673 -86.3 ! ! SIEMENS AG Semiconductor Group, Munich