! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 6 V IC = 1.5 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 0.9527 -0.9 4.947 179.4 0.0011 85.6 0.9978 -0.3 0.020 0.9582 -1.8 4.988 179.0 0.0027 85.3 0.9903 -0.7 0.050 0.9568 -4.2 5.003 176.3 0.0068 91.2 0.9942 -2.0 0.100 0.9475 -8.4 4.902 172.9 0.0131 82.6 0.9931 -4.0 0.150 0.9427 -12.9 4.937 169.1 0.0202 80.7 0.9903 -5.9 0.200 0.9314 -16.9 4.933 165.5 0.0268 78.9 0.9856 -7.8 0.250 0.9293 -21.1 4.835 162.0 0.0327 76.7 0.9791 -9.7 0.300 0.9158 -25.3 4.827 158.9 0.0392 74.1 0.9718 -11.5 0.400 0.8896 -33.4 4.750 151.3 0.0510 69.0 0.9549 -15.3 0.500 0.8565 -41.4 4.546 144.7 0.0615 63.8 0.9352 -18.7 0.600 0.8241 -48.9 4.411 138.6 0.0715 59.3 0.9140 -21.8 0.700 0.7942 -56.5 4.225 132.5 0.0797 55.4 0.8896 -24.7 0.800 0.7528 -64.0 4.116 126.6 0.0873 51.4 0.8660 -27.3 0.900 0.7163 -71.3 3.952 121.1 0.0940 47.7 0.8406 -29.8 1.000 0.6870 -78.3 3.750 116.1 0.0992 44.2 0.8177 -32.2 1.100 0.6494 -85.1 3.611 111.0 0.1046 41.4 0.7972 -34.2 1.200 0.6142 -92.0 3.446 106.6 0.1094 38.4 0.7786 -36.3 1.300 0.5904 -98.9 3.299 102.1 0.1127 35.9 0.7592 -38.0 1.400 0.5602 -105.4 3.165 97.8 0.1159 33.5 0.7406 -39.8 1.500 0.5381 -113.2 3.067 93.3 0.1186 31.6 0.7222 -41.3 1.600 0.5079 -119.2 2.935 89.4 0.1213 29.6 0.7088 -42.7 1.700 0.4903 -127.0 2.829 85.4 0.1226 27.8 0.6907 -44.4 1.800 0.4717 -133.7 2.721 81.5 0.1241 26.4 0.6761 -45.6 1.900 0.4588 -140.4 2.617 78.1 0.1262 24.3 0.6641 -47.2 2.000 0.4404 -147.1 2.514 74.6 0.1279 23.1 0.6539 -48.3 2.200 0.4242 -161.1 2.336 67.6 0.1290 20.5 0.6311 -51.2 2.400 0.4182 -173.9 2.180 61.5 0.1315 18.0 0.6145 -53.9 2.600 0.4198 173.2 2.040 55.5 0.1317 16.6 0.5931 -56.5 2.800 0.4253 162.3 1.908 49.3 0.1334 14.6 0.5828 -59.3 3.000 0.4378 151.3 1.804 43.7 0.1334 13.2 0.5665 -62.1 3.500 0.4800 129.5 1.553 30.6 0.1362 10.7 0.5476 -69.7 4.000 0.5307 113.8 1.353 18.7 0.1378 8.4 0.5321 -78.7 4.500 0.5746 101.6 1.181 7.9 0.1390 6.9 0.5238 -88.6 5.000 0.6148 92.2 1.050 -1.6 0.1414 7.2 0.5163 -98.8 5.500 0.6460 84.5 0.939 -10.5 0.1489 7.3 0.5228 -109.4 6.000 0.6797 78.0 0.841 -18.7 0.1577 6.4 0.5343 -120.2 ! ! SIEMENS AG Semiconductor Group, Munich