! SIEMENS Small Signal Semiconductors ! BFP181W ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 2.5 V IC = 5 mA ! Common Emitter S-Parameters: August 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.8496 -2.0 13.484 177.4 0.0014 94.4 0.9897 -0.8 0.020 0.8516 -4.0 13.412 176.8 0.0030 82.3 0.9922 -1.8 0.050 0.8454 -10.1 13.149 171.9 0.0080 83.9 0.9846 -4.5 0.100 0.8277 -19.5 12.914 165.8 0.0157 80.0 0.9711 -8.8 0.150 0.8086 -28.5 12.457 158.3 0.0229 73.5 0.9503 -12.9 0.200 0.7857 -37.7 12.097 152.7 0.0294 70.3 0.9246 -16.5 0.250 0.7643 -46.4 11.617 146.6 0.0354 64.9 0.8903 -19.9 0.300 0.7297 -54.2 11.022 141.2 0.0403 62.1 0.8628 -22.9 0.400 0.6801 -69.1 10.018 132.3 0.0486 55.5 0.7972 -27.7 0.500 0.6245 -82.2 8.916 123.5 0.0547 51.0 0.7387 -31.3 0.600 0.5956 -93.8 8.090 116.8 0.0603 47.8 0.6904 -34.0 0.700 0.5616 -104.0 7.334 110.9 0.0641 45.1 0.6492 -36.2 0.800 0.5374 -112.6 6.642 105.6 0.0676 42.7 0.6141 -37.6 0.900 0.5129 -121.0 6.069 100.9 0.0705 41.5 0.5857 -38.8 1.000 0.4938 -129.2 5.599 96.7 0.0725 40.3 0.5641 -39.9 1.100 0.4843 -136.6 5.207 92.9 0.0750 39.5 0.5448 -41.2 1.200 0.4712 -142.5 4.838 89.3 0.0776 38.9 0.5281 -42.3 1.300 0.4654 -148.1 4.505 86.2 0.0798 38.6 0.5159 -43.1 1.400 0.4578 -154.2 4.208 83.2 0.0813 38.3 0.5061 -44.1 1.500 0.4559 -158.6 3.983 80.5 0.0835 38.2 0.4968 -45.1 1.600 0.4544 -164.1 3.734 77.1 0.0858 38.2 0.4864 -46.1 1.700 0.4489 -168.9 3.547 74.6 0.0874 38.3 0.4786 -47.0 1.800 0.4511 -173.7 3.377 72.1 0.0898 38.2 0.4751 -48.0 1.900 0.4491 -177.7 3.222 69.5 0.0920 38.3 0.4704 -49.4 2.000 0.4486 178.4 3.062 67.0 0.0946 38.4 0.4633 -50.6 2.200 0.4518 171.6 2.800 62.2 0.0990 38.3 0.4584 -52.7 2.400 0.4538 164.5 2.594 57.5 0.1035 38.3 0.4480 -55.7 2.600 0.4629 157.5 2.398 53.3 0.1076 38.1 0.4442 -58.0 2.800 0.4712 152.0 2.239 49.2 0.1120 38.2 0.4357 -61.0 3.000 0.4799 146.5 2.094 45.2 0.1174 38.4 0.4360 -63.7 3.500 0.5115 134.6 1.802 35.6 0.1313 37.3 0.4284 -72.6 4.000 0.5472 124.7 1.581 26.5 0.1433 35.8 0.4199 -82.4 4.500 0.5763 117.0 1.407 18.1 0.1563 33.8 0.4213 -92.2 5.000 0.6001 110.1 1.261 10.0 0.1691 31.9 0.4351 -103.0 5.500 0.6191 104.6 1.123 2.9 0.1816 29.4 0.4428 -112.9 6.000 0.6278 99.2 1.025 -3.9 0.1947 27.4 0.4664 -121.0 ! ! f Fmin Gammaopt rn/50 ! GHz dB MAG ANG - 0.450 1.55 0.48 17 0.36 0.900 1.65 0.40 35 0.34 1.800 2.00 0.18 88 0.34 ! ! SIEMENS AG Semiconductor Group, Munich