! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 0.75 V IC = 12 mA ! Common Emitter S-Parameters: March 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.6288 -7.7 19.460 175.8 0.0026 81.4 0.8756 -2.3 0.020 0.6291 -15.5 19.412 171.8 0.0050 79.3 0.8667 -5.0 0.050 0.6172 -36.6 18.513 159.2 0.0122 73.8 0.8354 -12.3 0.100 0.5880 -67.7 15.888 142.0 0.0216 59.9 0.7476 -21.0 0.150 0.5609 -91.7 13.343 128.9 0.0274 50.8 0.6575 -26.2 0.200 0.5430 -109.8 11.281 119.5 0.0314 46.2 0.5888 -28.6 0.250 0.5365 -123.2 9.578 112.2 0.0336 42.9 0.5384 -29.6 0.300 0.5283 -134.0 8.288 106.8 0.0357 41.2 0.5008 -29.8 0.400 0.5204 -149.2 6.490 97.9 0.0389 40.3 0.4540 -29.6 0.500 0.5177 -160.1 5.272 91.4 0.0418 40.1 0.4285 -29.5 0.600 0.5186 -169.0 4.464 86.0 0.0451 41.2 0.4127 -29.7 0.700 0.5176 -175.6 3.821 81.4 0.0474 42.7 0.4008 -30.2 0.800 0.5185 178.6 3.387 77.1 0.0502 43.2 0.3943 -30.8 0.900 0.5243 173.5 3.037 73.5 0.0540 44.6 0.3887 -31.9 1.000 0.5259 168.3 2.727 69.7 0.0567 45.1 0.3848 -33.1 1.100 0.5297 163.8 2.494 66.0 0.0607 45.5 0.3814 -34.4 1.200 0.5313 159.4 2.285 63.0 0.0640 46.1 0.3787 -36.0 1.300 0.5396 155.7 2.102 59.7 0.0675 46.4 0.3765 -37.6 1.400 0.5431 151.9 1.963 56.7 0.0713 46.7 0.3740 -39.3 1.500 0.5462 148.7 1.834 53.1 0.0749 46.8 0.3722 -40.9 1.600 0.5499 145.2 1.723 50.2 0.0785 46.9 0.3712 -42.8 1.700 0.5585 141.7 1.623 47.3 0.0821 46.7 0.3692 -44.8 1.800 0.5656 138.6 1.533 44.4 0.0856 46.7 0.3678 -46.7 1.900 0.5684 135.7 1.453 41.8 0.0894 46.0 0.3655 -48.7 2.000 0.5734 132.5 1.369 38.8 0.0928 45.7 0.3646 -50.9 2.200 0.5909 127.0 1.247 33.5 0.1002 45.1 0.3588 -55.4 2.400 0.6076 121.4 1.143 28.5 0.1075 43.8 0.3555 -60.0 2.600 0.6221 116.4 1.048 23.5 0.1144 42.6 0.3498 -64.6 2.800 0.6357 111.7 0.970 18.3 0.1214 41.3 0.3481 -69.9 3.000 0.6510 107.0 0.899 13.9 0.1282 40.1 0.3416 -75.1 3.500 0.6850 97.1 0.754 3.1 0.1456 36.4 0.3385 -89.7 4.000 0.7169 88.7 0.642 -6.3 0.1622 32.1 0.3374 -104.8 4.500 0.7433 81.4 0.549 -14.3 0.1770 27.8 0.3449 -120.4 5.000 0.7621 75.3 0.477 -20.1 0.1917 23.9 0.3579 -135.0 5.500 0.7765 69.9 0.414 -25.5 0.2089 19.5 0.3826 -148.3 6.000 0.7952 64.6 0.367 -29.4 0.2224 14.7 0.4113 -160.2 ! ! SIEMENS AG Semiconductor Group, Munich