! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 0.5 V IC = 70 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 0.1716 -145.2 65.571 172.7 0.0024 83.5 0.7381 -12.4 0.020 0.2497 -136.1 63.363 164.1 0.0044 78.2 0.7440 -25.7 0.050 0.4565 -137.5 54.187 145.9 0.0102 62.0 0.7198 -60.7 0.100 0.6471 -151.7 39.881 125.4 0.0149 49.5 0.6803 -99.9 0.150 0.7192 -160.5 29.692 114.0 0.0174 44.6 0.6568 -122.1 0.200 0.7556 -165.7 23.470 106.7 0.0190 43.9 0.6436 -135.4 0.250 0.7718 -169.8 19.021 101.8 0.0202 43.3 0.6363 -144.9 0.300 0.7804 -172.5 16.093 98.3 0.0218 45.5 0.6360 -151.3 0.400 0.7912 -176.9 12.250 93.2 0.0244 47.8 0.6323 -160.0 0.500 0.7959 -179.5 9.763 89.5 0.0274 51.6 0.6307 -166.0 0.600 0.7948 177.9 8.115 86.0 0.0313 53.3 0.6292 -170.2 0.700 0.8015 175.5 6.966 82.9 0.0344 55.0 0.6332 -173.6 0.800 0.8033 174.2 6.065 80.8 0.0379 55.6 0.6331 -176.7 0.900 0.7989 172.3 5.365 78.6 0.0418 57.0 0.6332 -179.2 1.000 0.7986 170.5 4.820 76.6 0.0452 57.5 0.6358 178.8 1.100 0.8048 168.4 4.378 74.3 0.0491 57.8 0.6393 176.8 1.200 0.8023 166.8 3.988 72.8 0.0528 57.9 0.6387 174.8 1.300 0.8057 165.4 3.685 70.8 0.0567 57.7 0.6387 172.9 1.400 0.8067 164.3 3.395 69.5 0.0599 57.6 0.6411 171.4 1.500 0.8090 163.1 3.205 67.9 0.0639 57.1 0.6428 169.8 1.600 0.8068 161.9 2.970 66.0 0.0680 56.6 0.6436 168.3 1.700 0.8093 160.5 2.801 64.4 0.0718 56.1 0.6432 166.7 1.800 0.8051 159.2 2.645 63.2 0.0748 55.6 0.6425 165.3 1.900 0.8094 157.6 2.512 61.5 0.0791 55.1 0.6452 164.0 2.000 0.8103 156.5 2.377 60.1 0.0828 54.3 0.6461 162.6 2.200 0.8086 154.2 2.165 57.1 0.0903 52.8 0.6451 160.0 2.400 0.8070 151.6 2.003 53.8 0.0979 51.4 0.6475 157.3 2.600 0.8041 149.1 1.859 51.1 0.1053 49.7 0.6442 155.1 2.800 0.8029 146.6 1.741 48.3 0.1126 47.9 0.6457 152.5 3.000 0.8055 144.2 1.639 45.4 0.1211 46.2 0.6446 150.3 3.500 0.8010 137.8 1.432 38.4 0.1400 41.2 0.6480 144.2 4.000 0.8046 131.2 1.285 30.7 0.1595 35.6 0.6508 137.2 4.500 0.8059 124.6 1.176 23.2 0.1767 29.1 0.6489 130.9 5.000 0.8079 118.2 1.082 15.7 0.1919 23.1 0.6567 124.3 5.500 0.8059 110.8 0.993 9.0 0.2061 17.0 0.6550 117.6 6.000 0.8138 104.6 0.930 2.3 0.2186 11.1 0.6639 111.6 ! ! SIEMENS AG Semiconductor Group, Munich