! SIEMENS Discrete & RF Semiconductors ! BFY181 ! Si NPN RF Bipolar Junction Transistor in MICRO-X ! VCE = 1.5 V IC = 2 mA ! Common Emitter S-Parameters: May 1997 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9292 -1.1 6.345 179.4 0.0014 93.0 0.9943 -0.5 0.020 0.9294 -2.2 6.411 178.3 0.0032 90.7 0.9999 -1.0 0.050 0.9298 -5.6 6.311 176.0 0.0074 85.7 0.9941 -2.4 0.100 0.9273 -11.1 6.349 171.7 0.0142 84.3 0.9902 -5.0 0.150 0.9241 -16.8 6.251 167.6 0.0215 80.5 0.9873 -7.4 0.200 0.9091 -22.2 6.193 163.3 0.0281 77.2 0.9777 -9.8 0.250 0.9002 -27.5 6.113 159.5 0.0346 74.0 0.9702 -12.2 0.300 0.8876 -32.6 6.013 155.2 0.0409 70.7 0.9547 -14.4 0.400 0.8626 -42.7 5.772 147.6 0.0525 65.0 0.9304 -18.4 0.500 0.8291 -52.7 5.548 140.1 0.0623 59.4 0.8994 -22.3 0.600 0.7953 -61.7 5.251 133.3 0.0704 54.8 0.8676 -25.7 0.700 0.7661 -69.8 4.938 128.1 0.0775 50.6 0.8369 -28.6 0.800 0.7383 -77.6 4.641 122.1 0.0833 46.8 0.8096 -31.3 0.900 0.7101 -85.2 4.417 117.2 0.0890 43.6 0.7840 -33.6 1.000 0.6841 -92.0 4.171 112.2 0.0926 40.6 0.7582 -35.8 1.100 0.6646 -98.1 3.941 108.0 0.0955 37.6 0.7358 -37.7 1.200 0.6448 -104.2 3.730 103.7 0.0990 35.5 0.7190 -39.6 1.300 0.6287 -110.1 3.528 100.0 0.1015 33.6 0.7004 -41.2 1.400 0.6187 -114.9 3.338 96.2 0.1029 31.7 0.6859 -42.9 1.500 0.6079 -119.6 3.185 92.8 0.1047 30.2 0.6730 -44.3 1.600 0.5971 -124.0 3.023 89.8 0.1063 29.1 0.6632 -45.7 1.700 0.5883 -128.9 2.905 86.4 0.1072 28.0 0.6512 -47.1 1.800 0.5745 -133.2 2.765 83.5 0.1085 27.3 0.6437 -48.4 1.900 0.5690 -136.7 2.652 80.7 0.1092 25.8 0.6361 -49.8 2.000 0.5629 -140.1 2.552 77.6 0.1106 25.3 0.6308 -51.1 2.200 0.5486 -146.6 2.353 72.5 0.1121 23.6 0.6232 -53.9 2.400 0.5396 -152.7 2.173 67.8 0.1127 22.8 0.6143 -56.5 2.600 0.5334 -157.6 2.037 63.2 0.1143 22.0 0.6105 -59.0 2.800 0.5297 -163.4 1.916 59.0 0.1159 21.9 0.6078 -61.5 3.000 0.5257 -167.7 1.798 54.5 0.1171 21.3 0.6065 -64.2 3.500 0.5142 -179.0 1.587 44.7 0.1216 21.2 0.6093 -70.7 4.000 0.5086 171.1 1.423 35.2 0.1269 20.9 0.6149 -77.6 4.500 0.5036 160.8 1.297 26.3 0.1332 21.1 0.6242 -85.0 5.000 0.4971 151.4 1.183 17.8 0.1405 20.8 0.6364 -92.6 5.500 0.5003 142.1 1.088 9.1 0.1496 20.6 0.6437 -100.5 6.000 0.5025 132.4 1.010 1.7 0.1605 20.0 0.6485 -108.3 ! ! SIEMENS AG Semiconductor Group, Munich