! SIEMENS Small Signal Semiconductors ! BFS481 ! Si NPN RF Bipolar Junction Transistor in SOT363 ! VCE = 3.5 V IC = 10 mA ! Common Emitter S-Parameters: October 1994 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.7266 -2.8 20.599 177.6 0.0013 79.7 0.9802 -0.8 0.020 0.7323 -5.4 20.433 175.5 0.0025 88.1 0.9804 -1.9 0.030 0.7252 -8.2 20.442 173.6 0.0037 88.7 0.9779 -2.9 0.050 0.7183 -13.8 20.349 169.2 0.0058 80.4 0.9713 -4.9 0.100 0.6876 -26.7 19.450 158.7 0.0113 80.3 0.9422 -9.2 0.150 0.6379 -38.6 18.176 149.0 0.0164 72.8 0.9009 -12.7 0.200 0.5903 -49.3 16.687 140.8 0.0205 69.3 0.8575 -15.2 0.250 0.5417 -58.8 15.272 133.9 0.0239 67.2 0.8170 -17.0 0.300 0.4909 -67.2 13.915 127.8 0.0267 65.6 0.7795 -18.1 0.400 0.4177 -81.9 11.690 118.5 0.0321 64.0 0.7219 -19.1 0.500 0.3641 -93.9 9.953 111.4 0.0364 63.4 0.6814 -19.4 0.600 0.3256 -104.1 8.586 105.7 0.0411 64.1 0.6528 -19.4 0.700 0.2953 -114.1 7.507 101.2 0.0453 64.9 0.6319 -19.3 0.800 0.2705 -122.4 6.743 97.1 0.0495 65.5 0.6161 -19.4 0.900 0.2558 -130.5 6.059 93.8 0.0542 66.4 0.6041 -19.5 1.000 0.2487 -138.3 5.513 90.7 0.0587 67.0 0.5944 -19.8 1.100 0.2393 -144.3 5.041 87.6 0.0632 67.3 0.5864 -20.0 1.200 0.2336 -151.8 4.660 84.9 0.0676 67.6 0.5791 -20.5 1.300 0.2343 -157.1 4.341 82.7 0.0721 68.4 0.5732 -21.0 1.400 0.2314 -163.5 4.041 80.2 0.0770 68.7 0.5679 -21.5 1.500 0.2322 -168.0 3.803 77.9 0.0816 69.0 0.5628 -22.2 1.600 0.2334 -171.8 3.580 75.6 0.0864 68.8 0.5587 -22.8 1.700 0.2345 -175.2 3.398 73.7 0.0910 69.1 0.5544 -23.5 1.800 0.2395 -180.0 3.220 71.4 0.0962 69.0 0.5506 -24.3 1.900 0.2424 175.6 3.056 69.3 0.1011 68.9 0.5465 -25.2 2.000 0.2448 172.8 2.926 67.5 0.1063 68.8 0.5443 -26.1 2.200 0.2539 166.8 2.687 63.5 0.1161 68.2 0.5370 -27.9 2.400 0.2596 161.3 2.494 59.9 0.1261 67.8 0.5311 -30.0 2.600 0.2690 155.8 2.324 56.3 0.1368 67.1 0.5245 -32.2 2.800 0.2776 151.4 2.170 52.5 0.1469 66.1 0.5188 -34.5 3.000 0.2875 147.2 2.049 49.1 0.1577 65.3 0.5123 -36.9 3.200 0.3011 142.7 1.944 45.8 0.1686 64.6 0.5072 -39.5 3.400 0.3127 139.8 1.846 42.4 0.1797 63.5 0.5011 -42.2 3.600 0.3233 136.4 1.764 39.1 0.1913 62.4 0.4949 -45.0 3.800 0.3343 133.1 1.679 36.0 0.2015 61.2 0.4855 -47.9 4.000 0.3449 130.8 1.615 32.9 0.2136 60.1 0.4809 -50.9 4.500 0.3738 125.9 1.470 25.0 0.2429 56.7 0.4661 -58.7 5.000 0.3829 120.2 1.338 17.3 0.2738 53.0 0.4647 -65.7 5.500 0.3845 116.1 1.264 8.9 0.3124 47.3 0.4715 -74.9 6.000 0.3773 110.3 1.186 0.3 0.3481 40.8 0.4801 -83.4 ! ! SIEMENS AG Semiconductor Group, Munich