! SIEMENS Small Signal Semiconductors ! BFY450 ! Si NPN RF SIEGET Grounded Emitter Transistor in MICRO-X ! VCE = 1 V IC = 8 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 0.6707 -5.9 23.562 177.9 0.0031 86.5 0.9804 -3.5 0.020 0.6698 -11.4 23.371 173.7 0.0067 85.4 0.9764 -7.0 0.050 0.6697 -27.3 22.592 165.3 0.0163 77.1 0.9569 -17.2 0.100 0.6789 -52.7 21.242 152.7 0.0307 65.3 0.9039 -33.6 0.150 0.6792 -73.4 19.089 140.7 0.0419 55.1 0.8301 -47.7 0.200 0.6969 -90.5 17.218 131.8 0.0500 48.0 0.7595 -59.6 0.250 0.6964 -104.0 15.183 123.8 0.0554 41.5 0.6899 -70.0 0.300 0.7000 -114.6 13.574 117.7 0.0597 36.9 0.6402 -78.5 0.400 0.7128 -130.1 11.024 108.5 0.0639 30.2 0.5536 -92.8 0.500 0.7143 -140.9 9.041 101.0 0.0667 25.8 0.4972 -103.8 0.600 0.7233 -149.0 7.695 95.1 0.0685 22.8 0.4623 -112.6 0.700 0.7312 -155.2 6.669 90.1 0.0693 21.2 0.4405 -120.1 0.800 0.7385 -160.0 5.829 86.2 0.0702 19.9 0.4239 -126.5 0.900 0.7349 -164.1 5.169 82.7 0.0710 19.2 0.4102 -131.8 1.000 0.7405 -168.0 4.654 79.5 0.0710 18.7 0.4051 -136.3 1.100 0.7449 -171.7 4.237 76.3 0.0719 18.4 0.4033 -140.6 1.200 0.7462 -174.6 3.854 73.7 0.0720 18.3 0.3991 -144.3 1.300 0.7521 -176.9 3.550 71.2 0.0730 18.2 0.3960 -147.6 1.400 0.7505 -179.2 3.264 69.0 0.0731 18.4 0.3979 -150.3 1.500 0.7565 178.8 3.069 66.8 0.0738 18.9 0.3997 -153.4 1.600 0.7584 176.3 2.847 64.3 0.0747 19.4 0.3985 -156.1 1.700 0.7653 174.2 2.683 62.3 0.0749 19.8 0.3994 -158.7 1.800 0.7577 172.4 2.523 60.4 0.0759 20.1 0.4001 -160.7 1.900 0.7654 170.7 2.394 58.3 0.0767 21.0 0.4055 -162.8 2.000 0.7683 168.8 2.260 56.4 0.0782 21.4 0.4052 -164.9 2.200 0.7705 165.8 2.049 52.7 0.0802 22.3 0.4096 -168.1 2.400 0.7694 162.6 1.883 48.8 0.0827 23.1 0.4152 -171.7 2.600 0.7683 159.6 1.740 45.4 0.0857 24.2 0.4191 -174.5 2.800 0.7736 156.6 1.620 42.0 0.0892 25.0 0.4232 -177.8 3.000 0.7763 153.7 1.521 38.6 0.0930 25.4 0.4281 -180.0 3.500 0.7829 146.6 1.311 30.5 0.1040 26.1 0.4416 173.1 4.000 0.7883 139.2 1.162 22.1 0.1163 25.6 0.4561 166.1 4.500 0.7965 132.1 1.051 14.1 0.1296 23.2 0.4708 159.4 5.000 0.8038 125.1 0.959 6.1 0.1433 20.7 0.4957 152.0 5.500 0.8053 117.1 0.869 -1.1 0.1573 17.1 0.5098 144.4 6.000 0.8203 110.4 0.810 -8.4 0.1707 13.3 0.5346 137.4 ! ! SIEMENS AG Semiconductor Group, Munich