! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 8 V IC = 3 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 0.9178 -1.3 8.974 178.7 0.0011 89.5 0.9936 -0.4 0.020 0.9238 -2.5 8.930 178.2 0.0028 97.6 0.9880 -1.0 0.050 0.9221 -5.8 8.880 175.0 0.0065 91.4 0.9904 -2.8 0.100 0.9056 -12.0 8.793 170.3 0.0131 81.5 0.9888 -5.5 0.150 0.8987 -17.6 8.698 165.4 0.0192 78.1 0.9783 -8.2 0.200 0.8843 -23.4 8.654 160.7 0.0256 76.3 0.9682 -10.8 0.250 0.8721 -29.0 8.473 156.0 0.0306 72.8 0.9527 -13.3 0.300 0.8531 -34.6 8.294 152.2 0.0361 69.7 0.9378 -15.7 0.400 0.8042 -45.1 7.888 143.0 0.0462 64.3 0.9040 -19.9 0.500 0.7538 -55.6 7.436 134.9 0.0545 58.8 0.8661 -23.6 0.600 0.7023 -64.8 7.015 128.0 0.0617 54.7 0.8282 -26.9 0.700 0.6549 -74.0 6.477 121.7 0.0673 50.6 0.7923 -29.7 0.800 0.6078 -82.3 6.107 115.8 0.0720 47.7 0.7601 -31.8 0.900 0.5678 -90.1 5.719 110.4 0.0772 44.8 0.7316 -33.8 1.000 0.5295 -98.9 5.349 105.3 0.0800 42.5 0.7054 -35.7 1.100 0.4965 -107.0 5.058 100.3 0.0837 40.6 0.6815 -37.2 1.200 0.4664 -114.4 4.740 96.3 0.0862 38.5 0.6613 -38.8 1.300 0.4435 -122.2 4.462 92.2 0.0884 37.1 0.6427 -40.0 1.400 0.4207 -129.2 4.223 88.5 0.0907 35.8 0.6262 -41.4 1.500 0.4080 -136.4 4.016 84.5 0.0932 34.7 0.6112 -42.4 1.600 0.3899 -143.3 3.793 81.3 0.0955 33.8 0.6001 -43.5 1.700 0.3793 -151.0 3.613 77.8 0.0974 33.0 0.5880 -44.8 1.800 0.3703 -158.7 3.449 74.3 0.0992 32.3 0.5764 -45.8 1.900 0.3654 -165.8 3.298 71.2 0.1011 31.3 0.5660 -47.0 2.000 0.3604 -172.8 3.146 68.2 0.1030 30.7 0.5570 -48.1 2.200 0.3594 175.2 2.879 62.3 0.1068 29.3 0.5416 -50.7 2.400 0.3669 162.8 2.674 56.8 0.1104 28.3 0.5260 -53.3 2.600 0.3812 152.6 2.472 51.6 0.1135 27.3 0.5114 -55.9 2.800 0.3985 143.1 2.307 46.2 0.1170 26.3 0.5005 -58.7 3.000 0.4156 134.7 2.162 41.3 0.1205 25.3 0.4887 -61.5 3.500 0.4690 117.4 1.847 29.6 0.1296 22.9 0.4698 -69.5 4.000 0.5212 105.0 1.608 18.8 0.1381 20.6 0.4512 -78.6 4.500 0.5651 94.7 1.409 8.7 0.1459 17.9 0.4390 -88.8 5.000 0.6057 86.9 1.251 -0.1 0.1537 16.0 0.4319 -99.0 5.500 0.6345 80.4 1.118 -8.8 0.1646 14.1 0.4366 -109.7 6.000 0.6700 75.0 1.015 -16.9 0.1751 11.4 0.4472 -120.5 ! ! f Fmin Gammaopt rn/50 ! GHz dB MAG ANG - 0.450 1.40 0.56 17 0.36 0.900 1.50 0.45 35 0.34 1.800 1.85 0.25 82 0.36 ! ! SIEMENS AG Semiconductor Group, Munich