! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 2 V IC = 60 mA ! Common Emitter S-Parameters: October 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.0776 -125.7 69.870 175.0 0.0015 97.5 0.8896 -6.3 0.020 0.1292 -119.1 68.716 168.9 0.0033 79.1 0.8895 -13.5 0.050 0.2838 -121.1 63.100 155.7 0.0066 75.1 0.8534 -34.3 0.100 0.4694 -135.9 52.351 137.1 0.0120 60.8 0.7521 -63.3 0.150 0.5685 -147.3 41.971 124.3 0.0150 54.2 0.6625 -84.6 0.200 0.6230 -154.5 34.599 115.7 0.0169 50.9 0.6025 -100.0 0.250 0.6547 -159.8 28.740 109.3 0.0186 49.4 0.5595 -112.5 0.300 0.6724 -164.0 24.599 104.6 0.0201 49.4 0.5365 -121.6 0.400 0.6957 -170.0 18.998 98.2 0.0226 51.6 0.5033 -135.2 0.500 0.7054 -173.8 15.225 93.2 0.0250 52.6 0.4875 -144.6 0.600 0.7134 -177.1 12.725 89.1 0.0282 55.0 0.4801 -151.2 0.700 0.7214 -180.0 10.929 85.3 0.0312 56.1 0.4793 -156.6 0.800 0.7256 177.8 9.504 82.6 0.0342 56.6 0.4778 -161.1 0.900 0.7221 176.1 8.401 80.1 0.0378 57.4 0.4752 -164.9 1.000 0.7238 173.8 7.526 77.8 0.0408 58.4 0.4777 -167.8 1.100 0.7308 171.8 6.834 75.3 0.0441 58.6 0.4816 -170.6 1.200 0.7321 170.0 6.217 73.5 0.0471 59.0 0.4818 -173.2 1.300 0.7310 168.6 5.716 71.5 0.0504 58.7 0.4823 -175.6 1.400 0.7341 167.4 5.257 70.0 0.0538 58.4 0.4852 -177.6 1.500 0.7373 166.0 4.945 68.3 0.0573 58.3 0.4883 -179.6 1.600 0.7346 164.5 4.572 66.4 0.0608 57.9 0.4894 178.4 1.700 0.7343 163.2 4.299 64.7 0.0640 57.5 0.4901 176.4 1.800 0.7360 161.6 4.051 63.5 0.0667 56.8 0.4906 174.9 1.900 0.7375 160.5 3.840 61.7 0.0707 56.4 0.4945 173.3 2.000 0.7411 159.2 3.630 60.2 0.0740 55.8 0.4954 171.6 2.200 0.7413 156.7 3.286 57.3 0.0810 54.6 0.4963 168.8 2.400 0.7406 153.9 3.027 54.0 0.0878 53.2 0.4994 165.8 2.600 0.7379 151.7 2.791 51.3 0.0942 51.8 0.4980 163.5 2.800 0.7373 149.0 2.601 48.5 0.1012 50.0 0.5004 160.6 3.000 0.7388 146.6 2.440 45.6 0.1084 48.4 0.4997 158.4 3.500 0.7382 140.3 2.108 38.7 0.1258 43.9 0.5047 152.1 4.000 0.7435 133.8 1.873 31.1 0.1434 38.6 0.5076 145.2 4.500 0.7453 127.6 1.693 23.8 0.1596 32.7 0.5093 139.0 5.000 0.7532 120.9 1.543 16.4 0.1745 27.0 0.5205 132.4 5.500 0.7540 113.6 1.404 9.6 0.1883 21.1 0.5247 125.6 6.000 0.7661 107.2 1.307 2.6 0.2010 15.4 0.5381 119.7 ! ! SIEMENS AG Semiconductor Group, Munich