! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 0.5 V IC = 12 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 0.5970 -11.6 17.676 172.9 0.0048 81.3 0.8120 -4.5 0.020 0.5937 -22.9 17.417 167.6 0.0096 75.4 0.8089 -9.3 0.050 0.5774 -52.5 15.572 151.2 0.0216 65.1 0.7357 -20.9 0.100 0.5717 -89.3 12.286 132.2 0.0346 51.0 0.6014 -33.6 0.150 0.5687 -113.1 9.610 119.0 0.0418 41.9 0.4953 -40.5 0.200 0.5711 -128.4 7.819 110.7 0.0454 36.8 0.4252 -43.2 0.250 0.5746 -139.5 6.483 104.0 0.0481 33.8 0.3706 -44.6 0.300 0.5789 -147.6 5.530 99.4 0.0496 32.7 0.3388 -45.6 0.400 0.5795 -158.6 4.274 92.1 0.0525 32.2 0.2942 -45.7 0.500 0.5867 -165.9 3.449 86.0 0.0551 32.1 0.2703 -45.7 0.600 0.5886 -171.8 2.904 80.7 0.0581 33.4 0.2579 -46.8 0.700 0.5890 -176.4 2.513 76.1 0.0604 34.5 0.2482 -48.4 0.800 0.5895 179.7 2.200 72.0 0.0638 35.9 0.2414 -49.6 0.900 0.5852 175.9 1.962 68.2 0.0670 37.0 0.2385 -51.2 1.000 0.5865 172.2 1.773 64.5 0.0700 37.9 0.2378 -53.4 1.100 0.5932 169.2 1.617 60.8 0.0731 39.2 0.2361 -56.3 1.200 0.5943 166.2 1.493 57.4 0.0766 40.0 0.2328 -58.7 1.300 0.5962 163.5 1.375 54.1 0.0803 40.7 0.2340 -60.9 1.400 0.5985 161.6 1.277 51.4 0.0834 41.0 0.2357 -63.9 1.500 0.6012 158.7 1.205 48.1 0.0868 41.8 0.2385 -66.3 1.600 0.6052 156.2 1.119 44.7 0.0905 42.2 0.2392 -69.3 1.700 0.6061 153.7 1.060 41.8 0.0934 42.5 0.2394 -71.4 1.800 0.6126 151.9 1.004 39.3 0.0974 42.6 0.2456 -74.1 1.900 0.6127 149.3 0.955 36.2 0.1014 42.8 0.2481 -77.4 2.000 0.6142 147.6 0.902 33.5 0.1051 42.8 0.2496 -80.8 2.200 0.6217 143.3 0.817 28.4 0.1132 42.7 0.2550 -85.8 2.400 0.6263 138.8 0.750 23.0 0.1205 42.3 0.2573 -92.7 2.600 0.6343 134.1 0.687 18.5 0.1274 41.8 0.2648 -97.1 2.800 0.6398 131.0 0.632 14.6 0.1350 41.4 0.2705 -103.9 3.000 0.6510 126.8 0.585 10.4 0.1435 40.6 0.2790 -109.3 3.500 0.6741 118.2 0.482 2.2 0.1631 37.9 0.3044 -124.7 4.000 0.6944 110.9 0.403 -3.8 0.1801 34.5 0.3260 -139.8 4.500 0.7098 104.3 0.344 -7.3 0.1961 30.7 0.3533 -151.7 5.000 0.7196 98.7 0.300 -8.6 0.2106 27.4 0.3908 -161.8 5.500 0.7308 94.4 0.266 -6.8 0.2240 24.0 0.4161 -170.9 6.000 0.7328 89.5 0.252 -4.9 0.2383 20.8 0.4422 -177.4 ! ! SIEMENS AG Semiconductor Group, Munich