! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 3 V IC = 0.4 mA ! Common Emitter S-Parameters: March 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9814 -0.7 1.459 179.8 0.0012 83.8 0.9991 -0.2 0.020 0.9895 -1.1 1.484 179.7 0.0028 87.4 0.9988 -0.5 0.050 0.9856 -2.3 1.480 177.5 0.0072 89.3 0.9972 -1.3 0.100 0.9800 -5.2 1.446 174.9 0.0142 85.5 0.9974 -2.6 0.150 0.9808 -7.9 1.469 172.2 0.0214 83.4 0.9976 -3.8 0.200 0.9786 -10.4 1.463 169.7 0.0286 82.7 0.9964 -5.1 0.250 0.9753 -13.0 1.445 167.0 0.0355 80.6 0.9940 -6.4 0.300 0.9729 -15.9 1.465 165.1 0.0427 78.9 0.9935 -7.7 0.400 0.9669 -20.9 1.468 159.1 0.0564 75.2 0.9898 -10.2 0.500 0.9521 -26.1 1.433 153.9 0.0698 70.9 0.9846 -12.7 0.600 0.9416 -31.2 1.431 149.2 0.0830 67.4 0.9774 -15.2 0.700 0.9334 -36.3 1.415 144.1 0.0955 63.7 0.9694 -17.7 0.800 0.9136 -41.7 1.416 139.3 0.1069 59.7 0.9620 -20.0 0.900 0.8932 -46.8 1.398 134.4 0.1187 56.1 0.9519 -22.4 1.000 0.8778 -52.0 1.369 129.8 0.1286 52.8 0.9412 -24.6 1.100 0.8613 -57.4 1.364 125.0 0.1387 49.3 0.9318 -26.8 1.200 0.8421 -62.3 1.336 120.7 0.1484 45.7 0.9225 -29.3 1.300 0.8219 -67.9 1.325 116.1 0.1564 42.5 0.9106 -31.3 1.400 0.7964 -72.9 1.310 111.7 0.1641 39.3 0.8986 -33.4 1.500 0.7771 -79.3 1.316 107.0 0.1710 36.3 0.8858 -35.3 1.600 0.7508 -84.2 1.290 102.7 0.1777 33.7 0.8764 -37.2 1.700 0.7355 -90.4 1.277 98.3 0.1827 30.4 0.8607 -39.3 1.800 0.7062 -96.1 1.258 93.5 0.1883 27.9 0.8497 -40.8 1.900 0.6924 -102.3 1.248 89.6 0.1929 24.7 0.8383 -42.8 2.000 0.6680 -107.5 1.219 85.1 0.1971 22.4 0.8290 -44.3 2.200 0.6300 -120.1 1.183 76.7 0.2030 16.8 0.8057 -48.0 2.400 0.5992 -131.9 1.138 69.1 0.2073 11.6 0.7856 -51.4 2.600 0.5766 -145.4 1.101 61.8 0.2075 7.3 0.7612 -54.5 2.800 0.5584 -157.6 1.055 54.0 0.2099 2.5 0.7523 -57.7 3.000 0.5441 -170.4 1.023 46.7 0.2071 -2.1 0.7342 -61.0 3.500 0.5443 160.5 0.914 30.0 0.2006 -11.5 0.7189 -69.0 4.000 0.5755 137.7 0.812 15.2 0.1818 -19.0 0.7011 -78.5 4.500 0.6149 119.7 0.712 2.6 0.1624 -24.7 0.6995 -88.8 5.000 0.6531 105.9 0.628 -7.7 0.1399 -26.0 0.6966 -99.5 5.500 0.6842 95.5 0.559 -17.1 0.1257 -22.7 0.7047 -110.5 6.000 0.7243 86.9 0.490 -24.7 0.1188 -17.9 0.7178 -121.7 ! ! SIEMENS AG Semiconductor Group, Munich