! SIEMENS Discrete & RF Semiconductors ! BFP450 ! Si NPN RF SIEGET Grounded Emitter Transistor in SOT343 ! VCE = 1 V IC = 1 mA ! Common Emitter S-Parameters: February 1998 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9439 -2.1 3.655 178.9 0.0040 88.0 0.9996 -1.1 0.020 0.9497 -4.3 3.624 177.5 0.0081 86.0 0.9947 -2.2 0.050 0.9472 -10.6 3.637 172.5 0.0199 83.3 0.9937 -5.6 0.100 0.9432 -20.6 3.598 165.8 0.0395 77.5 0.9835 -11.0 0.150 0.9389 -31.1 3.543 158.4 0.0574 70.5 0.9690 -16.3 0.200 0.9318 -40.8 3.413 151.4 0.0749 64.6 0.9489 -21.3 0.250 0.9176 -50.4 3.309 145.1 0.0896 59.0 0.9241 -26.4 0.300 0.9123 -58.9 3.205 138.6 0.1035 53.4 0.8998 -30.8 0.400 0.8905 -75.4 2.916 126.5 0.1253 43.4 0.8445 -39.2 0.500 0.8737 -88.6 2.607 116.8 0.1411 34.9 0.7885 -46.4 0.600 0.8572 -101.1 2.366 107.4 0.1512 27.4 0.7406 -52.3 0.700 0.8472 -111.3 2.128 100.2 0.1584 21.3 0.7023 -58.0 0.800 0.8398 -120.5 1.933 93.1 0.1632 15.7 0.6673 -63.7 0.900 0.8337 -128.2 1.759 87.1 0.1656 10.9 0.6308 -68.5 1.000 0.8366 -135.3 1.615 81.5 0.1665 6.4 0.6063 -72.6 1.100 0.8338 -141.8 1.478 76.1 0.1670 2.2 0.5929 -77.1 1.200 0.8317 -147.6 1.359 71.3 0.1667 -1.5 0.5797 -82.0 1.300 0.8266 -152.1 1.262 67.3 0.1646 -4.4 0.5561 -86.0 1.400 0.8303 -157.0 1.171 63.0 0.1626 -7.5 0.5461 -89.1 1.500 0.8313 -161.0 1.098 58.7 0.1591 -10.4 0.5411 -93.2 1.600 0.8390 -165.3 1.030 54.8 0.1566 -12.8 0.5377 -97.5 1.700 0.8384 -168.9 0.977 51.8 0.1530 -15.0 0.5226 -101.7 1.800 0.8361 -172.4 0.918 47.9 0.1501 -17.1 0.5144 -104.1 1.900 0.8386 -175.7 0.868 44.8 0.1459 -19.4 0.5211 -107.5 2.000 0.8410 -179.0 0.830 41.5 0.1427 -21.1 0.5222 -111.7 2.200 0.8475 174.9 0.757 35.3 0.1351 -24.5 0.5115 -118.1 2.400 0.8483 169.5 0.688 29.8 0.1264 -27.4 0.5315 -125.2 2.600 0.8550 164.4 0.629 24.3 0.1174 -29.7 0.5190 -131.8 2.800 0.8636 159.7 0.587 19.1 0.1091 -31.6 0.5470 -138.1 3.000 0.8674 155.0 0.547 14.2 0.1003 -32.8 0.5395 -144.9 3.500 0.8846 143.6 0.458 2.5 0.0804 -30.7 0.5787 -159.3 4.000 0.8871 134.0 0.381 -6.0 0.0667 -19.9 0.6363 -174.2 4.500 0.8976 125.3 0.323 -13.0 0.0654 -5.2 0.6803 171.4 5.000 0.9053 118.5 0.282 -17.9 0.0750 6.2 0.6951 159.7 5.500 0.9162 112.0 0.254 -20.7 0.0903 11.1 0.7275 151.2 6.000 0.9033 105.9 0.228 -22.4 0.1053 11.7 0.7724 141.0 ! ! f Fmin Gammaopt rn/50 ! GHz dB MAG ANG - 0.450 1.13 0.48 56 0.33 0.900 1.17 0.59 104 0.25 ! ! SIEMENS AG Semiconductor Group, Munich