! SIEMENS Discrete & RF Semiconductors ! BFY181 ! Si NPN RF Bipolar Junction Transistor in MICRO-X ! VCE = 2.5 V IC = 0.9 mA ! Common Emitter S-Parameters: May 1997 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9686 -0.7 3.105 179.6 0.0015 84.2 0.9982 -0.2 0.020 0.9661 -1.5 3.126 178.8 0.0030 79.7 0.9999 -0.7 0.050 0.9660 -3.4 3.098 177.2 0.0069 89.1 0.9968 -1.6 0.100 0.9679 -7.1 3.125 174.2 0.0135 85.3 0.9948 -3.4 0.150 0.9698 -10.8 3.078 171.4 0.0203 83.3 0.9954 -5.0 0.200 0.9612 -14.5 3.085 168.2 0.0272 81.1 0.9924 -6.6 0.250 0.9536 -17.8 3.064 165.5 0.0339 78.9 0.9901 -8.4 0.300 0.9507 -21.3 3.042 162.1 0.0402 76.2 0.9844 -10.0 0.400 0.9384 -28.3 3.000 156.4 0.0531 71.4 0.9759 -13.2 0.500 0.9205 -35.2 2.970 150.4 0.0646 67.2 0.9626 -16.3 0.600 0.9074 -41.6 2.889 144.5 0.0752 63.2 0.9484 -19.3 0.700 0.8878 -48.2 2.791 140.1 0.0853 59.0 0.9342 -22.1 0.800 0.8644 -54.2 2.702 134.6 0.0940 55.1 0.9177 -24.8 0.900 0.8438 -60.2 2.650 129.9 0.1025 51.5 0.9027 -27.4 1.000 0.8286 -66.2 2.570 125.1 0.1095 47.9 0.8854 -29.9 1.100 0.8060 -71.6 2.481 120.7 0.1154 44.7 0.8689 -32.1 1.200 0.7874 -77.0 2.397 116.4 0.1215 41.5 0.8556 -34.5 1.300 0.7713 -82.4 2.312 112.5 0.1261 38.7 0.8392 -36.5 1.400 0.7602 -87.3 2.227 108.4 0.1300 36.0 0.8263 -38.6 1.500 0.7419 -91.8 2.164 104.5 0.1336 33.8 0.8133 -40.4 1.600 0.7259 -96.5 2.085 101.0 0.1368 31.7 0.8038 -42.2 1.700 0.7130 -101.5 2.034 97.4 0.1389 29.4 0.7893 -44.0 1.800 0.6932 -105.8 1.966 93.9 0.1412 27.6 0.7802 -45.6 1.900 0.6854 -109.1 1.903 90.7 0.1424 25.4 0.7708 -47.3 2.000 0.6687 -113.6 1.852 87.0 0.1451 24.0 0.7650 -48.8 2.200 0.6498 -120.3 1.729 81.1 0.1475 20.5 0.7531 -52.1 2.400 0.6320 -127.3 1.618 75.5 0.1471 17.8 0.7382 -55.1 2.600 0.6200 -132.9 1.530 70.2 0.1484 15.6 0.7309 -57.8 2.800 0.6066 -139.2 1.457 65.4 0.1486 13.7 0.7243 -60.6 3.000 0.5978 -144.7 1.373 60.4 0.1482 11.7 0.7205 -63.5 3.500 0.5734 -157.5 1.234 49.2 0.1480 8.4 0.7161 -70.2 4.000 0.5618 -168.7 1.119 38.7 0.1461 6.0 0.7161 -77.3 4.500 0.5484 179.6 1.033 29.1 0.1443 4.8 0.7210 -84.6 5.000 0.5379 168.5 0.951 19.9 0.1430 4.3 0.7302 -92.3 5.500 0.5334 157.8 0.880 10.9 0.1426 4.9 0.7347 -100.2 6.000 0.5293 147.0 0.817 3.3 0.1449 6.2 0.7345 -108.1 ! ! SIEMENS AG Semiconductor Group, Munich