! SIEMENS Small Signal Semiconductors ! BFQ81 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 3.5 V IC = 1 mA ! Common Emitter S-Parameters: August 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9643 -1.5 3.587 177.9 0.0030 91.6 0.9992 -0.5 0.020 0.9517 -3.3 3.586 177.5 0.0059 89.0 0.9951 -1.2 0.050 0.9549 -8.4 3.569 172.8 0.0160 84.4 0.9963 -3.0 0.100 0.9521 -16.9 3.511 167.4 0.0309 79.9 0.9907 -6.0 0.150 0.9315 -25.4 3.471 160.0 0.0456 74.6 0.9763 -9.0 0.200 0.9146 -33.0 3.401 154.4 0.0591 70.6 0.9638 -11.6 0.250 0.8969 -41.0 3.328 148.1 0.0717 65.6 0.9455 -14.3 0.300 0.8620 -48.7 3.213 142.4 0.0830 61.6 0.9267 -16.5 0.400 0.8146 -63.3 3.009 132.3 0.1012 54.0 0.8830 -20.6 0.500 0.7570 -76.5 2.748 122.2 0.1148 48.1 0.8417 -23.9 0.600 0.7166 -89.0 2.550 113.9 0.1248 42.8 0.8076 -26.7 0.700 0.6678 -100.4 2.369 106.5 0.1309 38.7 0.7742 -28.8 0.800 0.6331 -111.2 2.180 99.4 0.1352 35.3 0.7460 -30.8 0.900 0.5990 -120.9 2.027 93.2 0.1371 32.8 0.7230 -32.4 1.000 0.5752 -130.9 1.890 87.6 0.1372 31.0 0.7033 -34.0 1.100 0.5573 -140.7 1.774 82.4 0.1365 29.7 0.6869 -35.7 1.200 0.5425 -149.3 1.670 77.3 0.1355 29.1 0.6739 -37.5 1.300 0.5342 -156.9 1.570 73.0 0.1345 29.1 0.6621 -38.8 1.400 0.5268 -164.7 1.486 68.8 0.1316 29.7 0.6528 -40.6 1.500 0.5232 -172.0 1.423 64.8 0.1307 31.3 0.6421 -42.1 1.600 0.5210 -179.3 1.340 60.6 0.1297 32.9 0.6342 -43.7 1.700 0.5207 174.2 1.287 57.1 0.1291 35.8 0.6218 -45.5 1.800 0.5226 167.8 1.235 53.9 0.1311 38.2 0.6177 -47.0 1.900 0.5258 161.5 1.185 50.3 0.1322 41.3 0.6128 -49.4 2.000 0.5297 156.4 1.136 47.2 0.1362 43.9 0.6069 -51.3 2.200 0.5436 146.0 1.050 41.4 0.1470 49.9 0.5967 -55.8 2.400 0.5572 136.3 0.984 36.0 0.1635 54.5 0.5838 -60.9 2.600 0.5732 127.4 0.923 31.4 0.1851 57.3 0.5721 -65.9 2.800 0.5882 120.0 0.871 27.4 0.2100 59.0 0.5605 -72.4 3.000 0.6094 112.9 0.826 23.7 0.2394 59.5 0.5491 -78.7 3.500 0.6472 98.8 0.734 16.3 0.3215 55.8 0.5214 -98.5 4.000 0.6773 88.1 0.673 10.9 0.4050 47.9 0.4915 -122.7 4.500 0.6906 79.3 0.637 6.5 0.4752 38.0 0.4720 -148.5 5.000 0.7046 71.3 0.594 4.2 0.5077 30.5 0.4263 -165.0 5.500 0.6965 66.1 0.613 0.7 0.5761 21.0 0.4993 170.9 6.000 0.6988 61.4 0.614 -3.2 0.6108 12.3 0.5265 151.7 ! ! SIEMENS AG Semiconductor Group, Munich