! SIEMENS Discrete & RF Semiconductors ! BFY181 ! Si NPN RF Bipolar Junction Transistor in MICRO-X ! VCE = 10 V IC = 0.7 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 0.9794 -0.6 2.439 179.5 0.0011 83.1 0.9970 -0.3 0.020 0.9835 -1.1 2.486 178.8 0.0030 92.3 0.9999 -0.6 0.050 0.9794 -3.0 2.423 177.6 0.0060 85.2 0.9984 -1.5 0.100 0.9855 -5.9 2.442 175.0 0.0123 86.5 0.9935 -2.9 0.150 0.9809 -9.0 2.431 172.4 0.0187 84.0 0.9978 -4.4 0.200 0.9749 -11.7 2.407 169.6 0.0250 82.0 0.9945 -5.9 0.250 0.9725 -15.0 2.416 167.3 0.0311 80.7 0.9936 -7.3 0.300 0.9674 -17.7 2.433 164.3 0.0374 77.8 0.9894 -8.7 0.400 0.9596 -23.4 2.380 159.2 0.0496 74.2 0.9840 -11.6 0.500 0.9480 -29.4 2.359 153.9 0.0604 69.9 0.9755 -14.4 0.600 0.9320 -35.0 2.337 148.5 0.0716 66.5 0.9657 -17.2 0.700 0.9220 -40.7 2.290 144.5 0.0815 62.7 0.9562 -19.8 0.800 0.9052 -45.8 2.229 139.4 0.0910 59.0 0.9425 -22.5 0.900 0.8903 -51.1 2.181 135.1 0.0998 55.5 0.9320 -24.9 1.000 0.8738 -56.2 2.133 130.7 0.1080 52.5 0.9192 -27.3 1.100 0.8578 -61.4 2.082 126.4 0.1145 49.3 0.9073 -29.5 1.200 0.8415 -66.3 2.036 122.2 0.1220 46.0 0.8962 -32.0 1.300 0.8226 -71.2 1.986 118.2 0.1275 43.1 0.8825 -34.1 1.400 0.8093 -75.9 1.929 114.2 0.1322 40.1 0.8700 -36.3 1.500 0.7931 -80.2 1.896 110.3 0.1367 37.7 0.8579 -38.2 1.600 0.7770 -84.5 1.839 106.7 0.1408 35.5 0.8483 -40.1 1.700 0.7674 -88.9 1.790 103.2 0.1441 33.2 0.8352 -41.9 1.800 0.7434 -93.3 1.738 99.6 0.1476 31.2 0.8281 -43.5 1.900 0.7366 -96.5 1.696 96.4 0.1501 28.8 0.8196 -45.3 2.000 0.7196 -100.9 1.660 92.5 0.1532 27.0 0.8133 -46.9 2.200 0.7011 -107.6 1.565 86.3 0.1565 23.0 0.7992 -50.4 2.400 0.6765 -114.8 1.478 80.5 0.1576 19.9 0.7838 -53.5 2.600 0.6606 -120.5 1.407 75.1 0.1591 17.2 0.7737 -56.3 2.800 0.6437 -126.6 1.347 70.0 0.1607 14.7 0.7677 -59.1 3.000 0.6306 -132.3 1.278 64.9 0.1600 12.2 0.7607 -62.1 3.500 0.5984 -145.0 1.160 53.0 0.1607 7.5 0.7539 -68.9 4.000 0.5793 -157.0 1.060 42.3 0.1575 3.8 0.7508 -75.9 4.500 0.5611 -169.0 0.981 32.4 0.1548 1.1 0.7549 -83.2 5.000 0.5504 179.5 0.900 23.0 0.1506 -0.6 0.7610 -90.7 5.500 0.5396 168.1 0.843 13.8 0.1472 -0.7 0.7634 -98.6 6.000 0.5323 156.8 0.790 5.9 0.1456 -0.2 0.7643 -106.4 ! ! SIEMENS AG Semiconductor Group, Munich