! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 3.5 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 0.0933 -151.5 66.332 175.5 0.0018 43.5 0.8074 -5.0 0.020 0.1255 -138.0 65.220 170.1 0.0027 57.3 0.8082 -11.0 0.050 0.2409 -126.5 60.866 158.5 0.0061 63.7 0.7849 -28.5 0.100 0.4100 -135.6 52.501 141.5 0.0107 58.6 0.7067 -54.1 0.150 0.5105 -145.3 43.531 128.8 0.0139 53.3 0.6262 -73.8 0.200 0.5720 -152.2 36.618 119.9 0.0156 49.6 0.5669 -88.8 0.250 0.6100 -158.0 30.854 113.0 0.0175 49.5 0.5189 -101.2 0.300 0.6367 -161.7 26.700 107.9 0.0190 49.6 0.4931 -110.7 0.400 0.6638 -168.0 20.786 100.7 0.0214 50.8 0.4533 -125.1 0.500 0.6752 -172.2 16.766 95.2 0.0239 52.5 0.4333 -135.5 0.600 0.6870 -175.8 14.036 90.7 0.0268 55.3 0.4228 -142.9 0.700 0.6930 -178.4 12.069 86.7 0.0296 56.0 0.4206 -148.9 0.800 0.7010 179.4 10.507 83.8 0.0328 56.2 0.4179 -154.0 0.900 0.6977 177.0 9.287 81.1 0.0360 57.6 0.4154 -158.2 1.000 0.7020 175.0 8.342 78.6 0.0387 58.7 0.4169 -161.4 1.100 0.7072 172.8 7.567 76.1 0.0418 59.4 0.4212 -164.6 1.200 0.7108 171.1 6.880 74.1 0.0455 59.3 0.4215 -167.5 1.300 0.7108 169.7 6.325 72.1 0.0484 59.1 0.4221 -170.1 1.400 0.7142 168.2 5.819 70.4 0.0512 59.2 0.4251 -172.2 1.500 0.7137 167.0 5.464 68.7 0.0546 58.8 0.4288 -174.4 1.600 0.7173 165.4 5.048 66.7 0.0578 58.6 0.4298 -176.7 1.700 0.7180 163.8 4.755 65.0 0.0612 58.3 0.4314 -178.7 1.800 0.7168 162.7 4.471 63.6 0.0639 57.9 0.4320 179.7 1.900 0.7234 161.4 4.239 61.8 0.0673 57.0 0.4363 178.0 2.000 0.7245 160.0 4.000 60.3 0.0707 56.5 0.4377 176.3 2.200 0.7227 157.5 3.618 57.3 0.0775 55.6 0.4393 173.3 2.400 0.7219 154.9 3.330 54.0 0.0842 54.1 0.4427 170.1 2.600 0.7195 152.3 3.066 51.2 0.0901 52.5 0.4419 167.7 2.800 0.7193 150.0 2.856 48.4 0.0968 51.1 0.4447 164.7 3.000 0.7207 147.5 2.675 45.5 0.1037 49.5 0.4447 162.6 3.500 0.7239 141.2 2.304 38.5 0.1205 45.2 0.4502 156.2 4.000 0.7284 134.7 2.043 31.0 0.1375 40.1 0.4533 149.2 4.500 0.7295 128.2 1.844 23.7 0.1536 34.2 0.4562 143.1 5.000 0.7367 121.7 1.678 16.3 0.1682 28.7 0.4693 136.5 5.500 0.7393 114.8 1.525 9.3 0.1820 22.8 0.4749 129.7 6.000 0.7543 108.4 1.415 2.2 0.1945 17.3 0.4905 123.6 ! ! SIEMENS AG Semiconductor Group, Munich