! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 2.5 V IC = 25 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 0.2928 -13.1 50.153 176.3 0.0018 85.4 0.9447 -4.7 0.020 0.2964 -25.0 49.476 171.3 0.0039 77.9 0.9408 -9.7 0.050 0.3500 -55.9 46.653 160.7 0.0093 72.1 0.9103 -24.5 0.100 0.4531 -91.2 41.438 145.1 0.0167 61.5 0.8263 -46.3 0.150 0.5217 -112.9 35.226 132.2 0.0215 52.9 0.7320 -64.0 0.200 0.5864 -127.0 30.250 123.3 0.0246 47.5 0.6559 -77.9 0.250 0.6173 -137.0 25.804 115.9 0.0270 43.4 0.5908 -89.7 0.300 0.6411 -144.2 22.496 110.5 0.0289 41.4 0.5506 -99.1 0.400 0.6695 -154.9 17.703 102.8 0.0312 39.1 0.4880 -113.9 0.500 0.6847 -161.2 14.338 96.7 0.0333 39.1 0.4532 -124.8 0.600 0.6958 -166.8 12.040 91.9 0.0351 39.7 0.4337 -133.0 0.700 0.7045 -170.9 10.380 87.7 0.0371 40.9 0.4244 -139.8 0.800 0.7101 -173.8 9.044 84.4 0.0393 41.1 0.4169 -145.6 0.900 0.7068 -176.8 7.995 81.5 0.0415 42.5 0.4108 -150.2 1.000 0.7084 -179.4 7.180 78.9 0.0436 43.6 0.4101 -153.9 1.100 0.7149 177.9 6.528 76.2 0.0463 45.1 0.4125 -157.5 1.200 0.7212 175.7 5.937 74.0 0.0490 45.8 0.4115 -160.8 1.300 0.7211 174.0 5.461 71.8 0.0513 46.0 0.4109 -163.5 1.400 0.7249 172.2 5.014 70.1 0.0534 46.7 0.4132 -166.0 1.500 0.7286 170.7 4.713 68.1 0.0563 47.0 0.4168 -168.4 1.600 0.7269 168.7 4.361 66.0 0.0593 47.5 0.4176 -170.9 1.700 0.7333 167.4 4.100 64.2 0.0614 47.6 0.4188 -173.1 1.800 0.7299 165.7 3.859 62.8 0.0645 47.5 0.4196 -174.8 1.900 0.7349 164.3 3.662 60.8 0.0674 47.6 0.4236 -176.6 2.000 0.7369 162.8 3.451 59.2 0.0702 47.2 0.4246 -178.5 2.200 0.7348 160.4 3.127 56.0 0.0759 47.1 0.4269 178.4 2.400 0.7355 157.4 2.874 52.6 0.0818 46.6 0.4309 175.1 2.600 0.7353 154.7 2.647 49.7 0.0876 45.9 0.4314 172.6 2.800 0.7360 152.1 2.465 46.7 0.0933 44.9 0.4343 169.5 3.000 0.7390 149.3 2.309 43.6 0.1001 43.9 0.4351 167.3 3.500 0.7405 142.9 1.989 36.4 0.1157 40.7 0.4417 160.8 4.000 0.7446 136.2 1.764 28.5 0.1319 36.6 0.4476 153.9 4.500 0.7491 129.6 1.594 21.1 0.1473 31.5 0.4529 147.7 5.000 0.7561 122.9 1.450 13.4 0.1618 26.6 0.4685 141.0 5.500 0.7573 115.5 1.318 6.3 0.1753 21.3 0.4757 134.0 6.000 0.7701 109.3 1.222 -0.8 0.1881 16.1 0.4931 127.8 ! ! SIEMENS AG Semiconductor Group, Munich