! SIEMENS Discrete & RF Semiconductors ! BFY181 ! Si NPN RF Bipolar Junction Transistor in MICRO-X ! VCE = 1 V IC = 10 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 0.6608 -4.8 18.328 177.5 0.0019 90.3 0.9351 -1.3 0.020 0.6563 -9.9 18.571 174.2 0.0039 89.6 0.9423 -3.0 0.050 0.6506 -24.0 17.939 166.2 0.0091 77.1 0.9186 -7.6 0.100 0.6387 -46.1 16.825 153.4 0.0165 69.0 0.8717 -14.4 0.150 0.6208 -66.1 15.192 142.4 0.0219 60.8 0.8128 -19.4 0.200 0.6003 -82.0 13.530 133.4 0.0266 54.6 0.7543 -22.8 0.250 0.5853 -95.0 12.037 126.4 0.0298 50.2 0.7036 -25.2 0.300 0.5760 -106.3 10.805 119.8 0.0325 46.7 0.6616 -26.5 0.400 0.5629 -123.0 8.767 110.4 0.0354 42.6 0.5990 -27.9 0.500 0.5543 -135.2 7.314 103.2 0.0379 40.7 0.5584 -28.5 0.600 0.5519 -144.2 6.276 97.7 0.0400 40.5 0.5338 -29.0 0.700 0.5476 -151.2 5.465 93.4 0.0422 40.2 0.5166 -29.7 0.800 0.5487 -156.9 4.804 89.2 0.0438 40.9 0.5034 -30.5 0.900 0.5440 -161.6 4.317 85.9 0.0462 40.9 0.4942 -31.3 1.000 0.5406 -165.6 3.908 82.5 0.0479 42.5 0.4877 -32.4 1.100 0.5508 -168.9 3.582 79.6 0.0498 43.0 0.4833 -33.6 1.200 0.5460 -172.2 3.297 76.6 0.0520 43.6 0.4802 -34.9 1.300 0.5497 -174.8 3.048 74.1 0.0544 44.5 0.4778 -36.3 1.400 0.5528 -177.5 2.841 71.2 0.0562 45.3 0.4764 -37.8 1.500 0.5515 180.0 2.657 68.7 0.0584 45.9 0.4757 -39.4 1.600 0.5532 178.6 2.490 66.5 0.0607 46.8 0.4760 -41.0 1.700 0.5517 176.2 2.356 63.8 0.0630 47.4 0.4750 -42.6 1.800 0.5523 174.0 2.220 61.9 0.0654 48.0 0.4762 -44.3 1.900 0.5511 172.6 2.114 59.5 0.0674 48.0 0.4767 -45.9 2.000 0.5543 170.9 2.020 57.2 0.0705 48.5 0.4788 -47.7 2.200 0.5560 167.3 1.844 53.0 0.0754 49.1 0.4818 -51.1 2.400 0.5595 164.4 1.694 49.1 0.0804 49.3 0.4856 -54.5 2.600 0.5561 161.5 1.571 45.0 0.0856 49.5 0.4898 -57.8 2.800 0.5598 158.6 1.471 41.5 0.0915 49.8 0.4957 -61.1 3.000 0.5631 155.6 1.374 37.4 0.0969 49.6 0.4999 -64.5 3.500 0.5595 148.6 1.192 28.6 0.1117 48.8 0.5141 -72.9 4.000 0.5633 141.9 1.059 19.7 0.1275 47.0 0.5287 -81.3 4.500 0.5658 133.8 0.952 11.3 0.1440 44.7 0.5441 -90.0 5.000 0.5660 126.3 0.851 3.3 0.1605 41.9 0.5600 -98.9 5.500 0.5693 118.5 0.772 -4.7 0.1782 38.6 0.5721 -107.8 6.000 0.5728 111.0 0.704 -11.1 0.1954 34.9 0.5810 -116.6 ! ! SIEMENS AG Semiconductor Group, Munich