! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 4 V IC = 20 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 0.3542 -9.4 43.474 176.8 0.0035 26.2 0.8635 -4.0 0.020 0.3565 -17.5 42.866 172.3 0.0047 40.9 0.8592 -7.8 0.050 0.3884 -42.3 40.937 163.4 0.0091 58.5 0.8398 -19.3 0.100 0.4551 -75.1 37.509 149.6 0.0166 56.8 0.7810 -37.5 0.150 0.5053 -97.7 32.959 137.4 0.0217 49.4 0.7038 -52.6 0.200 0.5608 -112.9 29.103 128.5 0.0258 45.6 0.6373 -65.0 0.250 0.5916 -125.5 25.334 120.7 0.0284 41.5 0.5731 -75.6 0.300 0.6184 -133.9 22.372 115.1 0.0304 40.4 0.5297 -84.5 0.400 0.6466 -146.3 17.890 106.5 0.0331 37.3 0.4592 -98.7 0.500 0.6641 -154.3 14.627 99.8 0.0349 35.7 0.4158 -109.7 0.600 0.6765 -160.6 12.384 94.4 0.0369 36.4 0.3907 -118.2 0.700 0.6887 -165.4 10.713 89.8 0.0383 36.4 0.3765 -125.5 0.800 0.6944 -169.1 9.356 86.2 0.0406 37.9 0.3651 -131.7 0.900 0.6937 -172.4 8.289 83.0 0.0424 38.5 0.3564 -136.8 1.000 0.7001 -175.7 7.446 80.1 0.0436 39.2 0.3544 -140.9 1.100 0.7057 -178.7 6.773 77.2 0.0458 40.7 0.3551 -145.1 1.200 0.7071 178.9 6.159 74.7 0.0478 41.3 0.3533 -148.8 1.300 0.7107 176.9 5.670 72.4 0.0503 41.8 0.3521 -151.9 1.400 0.7121 175.1 5.207 70.4 0.0517 42.5 0.3545 -154.5 1.500 0.7172 173.4 4.885 68.5 0.0544 43.2 0.3571 -157.4 1.600 0.7150 171.4 4.520 66.2 0.0571 43.8 0.3578 -160.2 1.700 0.7218 169.8 4.252 64.2 0.0590 44.4 0.3591 -162.7 1.800 0.7201 168.3 3.996 62.7 0.0609 44.6 0.3612 -164.6 1.900 0.7247 166.6 3.783 60.7 0.0639 44.9 0.3653 -166.6 2.000 0.7260 165.0 3.572 59.0 0.0664 44.8 0.3665 -168.8 2.200 0.7273 162.3 3.230 55.6 0.0716 45.0 0.3696 -172.0 2.400 0.7262 159.3 2.965 52.0 0.0771 44.8 0.3743 -175.7 2.600 0.7243 156.6 2.730 49.0 0.0818 44.3 0.3764 -178.3 2.800 0.7268 154.0 2.537 46.1 0.0872 43.7 0.3799 178.3 3.000 0.7329 151.4 2.374 42.9 0.0935 43.1 0.3817 176.1 3.500 0.7334 144.3 2.040 35.4 0.1082 40.6 0.3907 169.4 4.000 0.7403 137.6 1.804 27.5 0.1234 37.1 0.3981 162.3 4.500 0.7470 131.0 1.623 19.9 0.1382 32.7 0.4064 156.0 5.000 0.7541 124.2 1.480 12.1 0.1527 28.2 0.4242 149.0 5.500 0.7562 116.9 1.341 5.0 0.1666 23.1 0.4346 141.8 6.000 0.7736 110.2 1.241 -2.4 0.1796 18.2 0.4544 135.3 ! ! SIEMENS AG Semiconductor Group, Munich