! SIEMENS Small Signal Semiconductors ! BFR181W ! Si NPN RF Bipolar Junction Transistor in SOT323 ! VCE = 10 V IC = 7 mA ! Common Emitter S-Parameters: September 1992 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.100 0.8218 -20.4 15.807 161.9 0.0155 78.0 0.9495 -9.9 0.150 0.7802 -29.9 15.091 153.6 0.0227 74.3 0.9145 -14.1 0.200 0.7336 -38.3 14.225 146.2 0.0286 71.0 0.8743 -17.6 0.250 0.6850 -46.1 13.308 139.6 0.0340 68.0 0.8314 -20.5 0.300 0.6374 -53.1 12.367 133.8 0.0383 66.0 0.7924 -22.7 0.400 0.5468 -65.6 10.725 123.8 0.0460 63.1 0.7217 -25.6 0.500 0.4755 -75.8 9.327 116.3 0.0523 61.7 0.6664 -27.2 0.600 0.4149 -84.5 8.194 110.1 0.0586 61.3 0.6246 -28.1 0.700 0.3725 -92.9 7.258 104.9 0.0640 61.3 0.5927 -28.5 0.800 0.3351 -100.7 6.528 100.5 0.0692 61.6 0.5684 -28.9 0.900 0.3005 -106.9 5.890 96.7 0.0747 62.0 0.5497 -29.1 1.000 0.2797 -113.9 5.395 93.3 0.0801 62.5 0.5351 -29.4 1.200 0.2438 -126.0 4.583 87.4 0.0912 63.4 0.5119 -30.1 1.400 0.2241 -138.3 3.992 82.3 0.1024 63.9 0.4975 -30.9 1.500 0.2153 -143.5 3.754 79.9 0.1078 64.3 0.4915 -31.5 1.600 0.2078 -149.6 3.549 77.6 0.1136 64.6 0.4878 -31.9 1.800 0.2004 -158.7 3.194 73.5 0.1251 65.0 0.4799 -33.2 2.000 0.1922 -168.2 2.905 69.5 0.1367 65.2 0.4757 -34.8 2.200 0.1936 -176.4 2.670 65.9 0.1486 65.2 0.4744 -36.4 2.400 0.1967 177.1 2.483 62.6 0.1611 65.1 0.4728 -38.2 2.500 0.1939 172.3 2.387 60.8 0.1669 65.1 0.4722 -39.0 3.000 0.2106 157.7 2.057 53.0 0.1981 64.5 0.4730 -44.4 3.500 0.2247 145.8 1.823 45.7 0.2324 63.0 0.4721 -51.0 4.000 0.2571 134.5 1.656 38.5 0.2660 61.1 0.4685 -57.4 4.500 0.2816 124.3 1.511 32.3 0.2998 58.9 0.4608 -64.8 5.000 0.3181 117.6 1.410 25.9 0.3342 56.6 0.4546 -71.7 5.500 0.3312 109.8 1.316 20.1 0.3716 54.5 0.4540 -78.6 6.000 0.3565 103.9 1.234 15.1 0.4133 51.8 0.4624 -85.6 ! ! SIEMENS AG Semiconductor Group, Munich