! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 12 V IC = 4 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 0.9219 -1.4 11.287 176.7 0.0015 78.5 0.9880 -0.7 0.020 0.9148 -3.2 11.221 176.9 0.0033 77.6 0.9951 -1.5 0.050 0.9169 -7.1 11.006 173.4 0.0075 79.8 0.9836 -3.6 0.100 0.9035 -14.2 10.842 169.1 0.0149 81.3 0.9786 -7.1 0.150 0.8917 -21.0 10.716 162.9 0.0220 75.7 0.9636 -10.7 0.200 0.8741 -27.5 10.508 158.4 0.0285 72.3 0.9463 -13.8 0.250 0.8573 -34.2 10.284 153.2 0.0348 69.5 0.9250 -17.0 0.300 0.8277 -40.6 9.977 148.4 0.0407 66.6 0.9055 -19.9 0.400 0.7818 -52.3 9.325 140.3 0.0508 60.2 0.8541 -25.1 0.500 0.7245 -62.9 8.548 131.9 0.0586 55.6 0.8052 -29.2 0.600 0.6832 -73.8 7.971 125.2 0.0657 51.6 0.7604 -32.7 0.700 0.6410 -82.6 7.383 119.1 0.0708 48.6 0.7176 -35.6 0.800 0.5980 -90.6 6.788 113.5 0.0756 45.3 0.6786 -37.9 0.900 0.5697 -98.1 6.265 108.6 0.0796 43.3 0.6460 -39.7 1.000 0.5377 -105.9 5.849 104.2 0.0822 41.5 0.6197 -41.4 1.100 0.5136 -113.3 5.490 100.2 0.0855 40.1 0.5962 -43.2 1.200 0.4919 -119.8 5.138 96.4 0.0883 38.9 0.5755 -44.6 1.300 0.4778 -126.2 4.819 93.0 0.0910 38.1 0.5573 -45.7 1.400 0.4597 -132.0 4.518 89.7 0.0926 37.0 0.5428 -47.0 1.500 0.4506 -137.7 4.301 86.8 0.0946 36.7 0.5286 -48.0 1.600 0.4373 -143.7 4.050 83.3 0.0969 36.2 0.5145 -49.0 1.700 0.4276 -149.0 3.858 80.6 0.0983 35.7 0.5020 -50.1 1.800 0.4221 -154.0 3.677 78.0 0.1009 35.2 0.4961 -51.1 1.900 0.4173 -158.5 3.517 75.2 0.1030 35.1 0.4890 -52.5 2.000 0.4119 -163.4 3.350 72.6 0.1055 34.8 0.4792 -53.6 2.200 0.4079 -172.1 3.078 67.7 0.1090 34.3 0.4679 -55.6 2.400 0.4060 179.2 2.857 62.9 0.1132 33.8 0.4550 -58.4 2.600 0.4096 170.6 2.651 58.4 0.1169 33.6 0.4463 -60.4 2.800 0.4131 164.1 2.479 54.3 0.1207 33.2 0.4357 -63.2 3.000 0.4229 157.1 2.328 50.0 0.1251 33.4 0.4329 -65.5 3.500 0.4523 143.1 2.004 40.3 0.1372 31.9 0.4207 -73.8 4.000 0.4874 131.4 1.767 31.0 0.1474 30.3 0.4085 -82.9 4.500 0.5199 122.8 1.574 22.5 0.1585 28.4 0.4076 -92.1 5.000 0.5460 114.5 1.417 14.3 0.1691 26.7 0.4182 -102.4 5.500 0.5680 108.7 1.267 6.9 0.1791 24.7 0.4239 -111.7 6.000 0.5828 103.2 1.156 -0.1 0.1906 22.8 0.4469 -119.3 ! ! SIEMENS AG Semiconductor Group, Munich