! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 1 V IC = 1 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 0.9616 -1.0 3.462 179.7 0.0013 85.4 0.9977 -0.3 0.020 0.9622 -1.6 3.447 179.3 0.0031 85.4 0.9937 -0.8 0.050 0.9641 -4.0 3.492 176.6 0.0088 89.0 0.9955 -2.0 0.100 0.9532 -8.1 3.443 173.1 0.0166 84.1 0.9965 -3.9 0.150 0.9535 -12.0 3.450 169.6 0.0253 81.8 0.9921 -5.8 0.200 0.9461 -16.3 3.466 166.0 0.0335 78.9 0.9888 -7.8 0.250 0.9425 -19.9 3.394 162.6 0.0417 76.8 0.9829 -9.8 0.300 0.9353 -23.9 3.383 159.9 0.0498 74.1 0.9772 -11.5 0.400 0.9112 -31.9 3.359 152.3 0.0646 69.1 0.9632 -15.2 0.500 0.8807 -39.9 3.255 145.5 0.0783 63.8 0.9460 -18.8 0.600 0.8589 -47.1 3.160 139.7 0.0919 59.1 0.9266 -22.1 0.700 0.8285 -54.4 3.030 133.7 0.1029 54.8 0.9055 -25.2 0.800 0.7932 -61.7 2.976 127.7 0.1130 50.6 0.8837 -28.0 0.900 0.7615 -69.0 2.883 122.0 0.1227 46.4 0.8597 -30.8 1.000 0.7335 -76.1 2.768 116.7 0.1300 42.7 0.8371 -33.4 1.100 0.7021 -82.9 2.682 111.5 0.1374 39.2 0.8152 -35.8 1.200 0.6726 -89.7 2.563 106.9 0.1436 35.4 0.7965 -38.3 1.300 0.6479 -96.5 2.471 102.1 0.1482 32.6 0.7757 -40.2 1.400 0.6150 -102.9 2.378 97.6 0.1526 29.6 0.7570 -42.3 1.500 0.5954 -110.5 2.315 93.0 0.1558 27.3 0.7375 -43.9 1.600 0.5682 -116.9 2.220 88.8 0.1595 24.8 0.7239 -45.6 1.700 0.5483 -124.8 2.160 84.5 0.1613 22.3 0.7038 -47.5 1.800 0.5266 -131.7 2.089 80.0 0.1629 20.5 0.6882 -48.9 1.900 0.5174 -138.2 2.019 76.4 0.1646 18.1 0.6737 -50.6 2.000 0.4977 -144.4 1.938 72.7 0.1662 16.4 0.6618 -51.9 2.200 0.4798 -158.2 1.813 65.2 0.1681 12.5 0.6389 -55.2 2.400 0.4730 -171.0 1.700 58.5 0.1682 9.2 0.6175 -58.2 2.600 0.4745 176.4 1.595 52.0 0.1671 6.8 0.5966 -60.9 2.800 0.4778 165.2 1.499 45.4 0.1666 4.3 0.5843 -63.9 3.000 0.4867 154.2 1.423 39.1 0.1652 1.6 0.5695 -67.0 3.500 0.5244 131.9 1.229 25.2 0.1630 -2.3 0.5526 -75.1 4.000 0.5705 115.9 1.070 12.8 0.1567 -5.3 0.5378 -84.7 4.500 0.6134 102.9 0.937 1.5 0.1511 -7.1 0.5331 -95.4 5.000 0.6497 92.9 0.828 -7.7 0.1462 -6.6 0.5325 -106.3 5.500 0.6792 85.3 0.736 -17.0 0.1482 -4.9 0.5428 -117.4 6.000 0.7126 78.2 0.660 -25.0 0.1537 -4.0 0.5558 -128.7 ! ! SIEMENS AG Semiconductor Group, Munich