! SIEMENS Discrete & RF Semiconductors ! BFY181 ! Si NPN RF Bipolar Junction Transistor in MICRO-X ! VCE = 1 V IC = 8 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 0.7248 -3.8 16.807 177.9 0.0018 89.8 0.9580 -1.2 0.020 0.7246 -7.3 17.034 175.3 0.0040 84.9 0.9636 -2.5 0.050 0.7201 -18.2 16.567 168.9 0.0081 80.9 0.9477 -6.3 0.100 0.7034 -35.8 15.921 158.2 0.0162 73.7 0.9124 -12.2 0.150 0.6851 -51.7 14.863 148.5 0.0225 65.6 0.8698 -17.1 0.200 0.6569 -65.6 13.626 140.1 0.0275 59.1 0.8208 -20.9 0.250 0.6328 -78.5 12.437 133.0 0.0314 55.0 0.7730 -23.9 0.300 0.6152 -89.1 11.402 126.5 0.0343 50.2 0.7280 -25.9 0.400 0.5842 -106.8 9.543 116.8 0.0393 45.7 0.6613 -28.4 0.500 0.5634 -120.7 8.090 108.7 0.0420 42.3 0.6122 -29.8 0.600 0.5544 -130.7 7.008 102.7 0.0447 41.0 0.5765 -30.7 0.700 0.5461 -139.1 6.157 98.2 0.0467 40.2 0.5525 -31.5 0.800 0.5378 -145.6 5.456 93.6 0.0486 39.8 0.5353 -32.3 0.900 0.5342 -151.8 4.923 90.1 0.0507 39.7 0.5229 -33.2 1.000 0.5290 -156.5 4.461 86.5 0.0527 40.2 0.5127 -34.0 1.100 0.5365 -160.6 4.086 83.4 0.0542 40.7 0.5049 -35.0 1.200 0.5302 -164.6 3.768 80.2 0.0562 41.2 0.4996 -36.2 1.300 0.5291 -168.2 3.485 77.6 0.0582 41.7 0.4954 -37.4 1.400 0.5348 -170.9 3.257 74.7 0.0600 42.2 0.4922 -38.7 1.500 0.5324 -173.3 3.053 72.1 0.0622 42.6 0.4905 -40.0 1.600 0.5357 -175.3 2.870 69.9 0.0639 43.5 0.4898 -41.5 1.700 0.5321 -178.4 2.717 67.2 0.0662 43.9 0.4882 -43.0 1.800 0.5342 179.3 2.553 65.3 0.0685 44.4 0.4890 -44.5 1.900 0.5347 177.5 2.431 62.9 0.0701 44.3 0.4883 -46.0 2.000 0.5361 175.5 2.318 60.6 0.0733 45.1 0.4893 -47.6 2.200 0.5367 171.8 2.129 56.5 0.0776 45.3 0.4917 -50.8 2.400 0.5393 168.4 1.946 52.5 0.0823 45.9 0.4942 -53.9 2.600 0.5337 165.7 1.821 48.6 0.0873 46.0 0.4980 -57.0 2.800 0.5376 162.1 1.688 44.9 0.0928 46.4 0.5029 -60.1 3.000 0.5389 159.1 1.589 41.0 0.0976 46.1 0.5073 -63.3 3.500 0.5370 151.8 1.383 32.3 0.1116 45.7 0.5204 -71.2 4.000 0.5399 144.7 1.229 23.4 0.1266 44.2 0.5341 -79.3 4.500 0.5430 136.8 1.103 14.7 0.1421 42.2 0.5494 -87.6 5.000 0.5418 129.0 0.997 6.9 0.1579 39.6 0.5650 -96.1 5.500 0.5441 121.2 0.908 -1.3 0.1743 36.7 0.5767 -104.9 6.000 0.5552 113.3 0.832 -8.3 0.1910 33.3 0.5863 -113.5 ! ! SIEMENS AG Semiconductor Group, Munich