! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 12 V IC = 0.7 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 0.9865 -0.5 2.475 178.4 0.0013 96.7 0.9977 -0.3 0.020 0.9804 -1.3 2.443 178.9 0.0028 90.1 0.9999 -0.7 0.050 0.9885 -3.1 2.438 176.6 0.0078 87.8 0.9964 -1.6 0.100 0.9808 -6.1 2.436 174.8 0.0155 85.4 0.9958 -3.2 0.150 0.9815 -8.8 2.420 171.1 0.0236 82.3 0.9956 -4.8 0.200 0.9752 -11.6 2.431 168.9 0.0310 81.3 0.9916 -6.4 0.250 0.9704 -14.4 2.431 166.2 0.0388 79.1 0.9889 -8.0 0.300 0.9665 -17.4 2.411 163.3 0.0462 77.3 0.9879 -9.6 0.400 0.9571 -23.1 2.392 158.6 0.0607 72.7 0.9785 -12.7 0.500 0.9374 -28.7 2.348 152.4 0.0742 69.4 0.9677 -15.7 0.600 0.9256 -34.6 2.313 147.8 0.0877 65.1 0.9573 -18.6 0.700 0.9087 -39.7 2.274 142.8 0.0998 61.6 0.9440 -21.5 0.800 0.8834 -44.9 2.218 137.8 0.1116 57.8 0.9293 -24.2 0.900 0.8676 -50.4 2.171 132.8 0.1218 54.5 0.9135 -26.8 1.000 0.8469 -55.6 2.139 128.6 0.1308 51.1 0.8980 -29.3 1.100 0.8248 -61.0 2.098 124.2 0.1398 48.0 0.8830 -31.9 1.200 0.8012 -65.7 2.036 119.9 0.1483 45.0 0.8696 -34.4 1.300 0.7842 -70.7 1.986 116.0 0.1552 42.2 0.8546 -36.5 1.400 0.7610 -75.4 1.924 111.8 0.1608 39.2 0.8392 -38.8 1.500 0.7405 -80.1 1.897 108.2 0.1660 36.8 0.8242 -40.7 1.600 0.7095 -85.4 1.839 103.8 0.1718 34.6 0.8096 -42.6 1.700 0.6938 -90.6 1.819 100.3 0.1756 32.1 0.7920 -44.6 1.800 0.6664 -95.1 1.778 96.2 0.1797 30.1 0.7815 -46.1 1.900 0.6535 -100.2 1.745 92.9 0.1832 27.9 0.7700 -48.2 2.000 0.6325 -104.7 1.693 88.8 0.1863 26.1 0.7567 -49.7 2.200 0.6041 -113.7 1.605 82.2 0.1913 22.1 0.7365 -52.9 2.400 0.5747 -122.8 1.541 75.7 0.1941 18.6 0.7132 -56.5 2.600 0.5465 -132.8 1.468 69.8 0.1954 15.6 0.6943 -59.1 2.800 0.5267 -141.3 1.408 63.9 0.1968 12.6 0.6777 -62.3 3.000 0.5120 -150.6 1.347 58.2 0.1967 10.1 0.6695 -65.1 3.500 0.4949 -172.7 1.209 44.7 0.1981 4.3 0.6500 -73.0 4.000 0.5022 167.9 1.091 32.6 0.1906 -0.3 0.6287 -81.9 4.500 0.5264 152.2 0.989 21.8 0.1832 -4.1 0.6265 -90.8 5.000 0.5481 139.5 0.898 11.7 0.1729 -6.1 0.6374 -100.7 5.500 0.5725 129.2 0.797 3.3 0.1636 -6.0 0.6376 -109.8 6.000 0.5860 121.2 0.724 -4.2 0.1587 -4.0 0.6525 -118.0 ! ! SIEMENS AG Semiconductor Group, Munich