! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 1.5 V IC = 6 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 0.8152 -2.6 15.341 178.4 0.0012 83.5 0.9849 -0.9 0.020 0.8185 -4.8 15.251 177.1 0.0028 84.2 0.9780 -1.8 0.050 0.8096 -11.6 15.236 171.5 0.0075 88.1 0.9784 -4.8 0.100 0.7911 -23.4 14.771 163.3 0.0141 76.0 0.9611 -9.3 0.150 0.7636 -34.0 14.253 155.3 0.0206 72.1 0.9321 -13.5 0.200 0.7320 -44.9 13.708 147.9 0.0262 67.4 0.9005 -17.2 0.250 0.6969 -54.5 12.870 141.2 0.0310 63.5 0.8611 -20.5 0.300 0.6656 -63.6 12.139 135.7 0.0354 59.5 0.8259 -23.0 0.400 0.6015 -80.4 10.685 124.7 0.0421 53.9 0.7588 -26.9 0.500 0.5409 -95.1 9.342 116.0 0.0468 49.2 0.7021 -29.4 0.600 0.5007 -107.6 8.317 109.0 0.0511 46.9 0.6568 -31.2 0.700 0.4664 -118.7 7.354 103.1 0.0541 45.0 0.6221 -32.5 0.800 0.4479 -129.0 6.681 97.8 0.0570 43.6 0.5959 -33.3 0.900 0.4285 -139.1 6.055 93.2 0.0604 42.6 0.5738 -34.1 1.000 0.4138 -147.8 5.513 88.8 0.0621 42.6 0.5561 -34.9 1.100 0.4058 -156.1 5.094 84.6 0.0651 41.6 0.5419 -35.7 1.200 0.4003 -163.3 4.694 81.3 0.0677 41.4 0.5311 -36.6 1.300 0.3977 -170.1 4.354 77.8 0.0699 41.2 0.5211 -37.5 1.400 0.3937 -176.7 4.078 74.7 0.0726 41.4 0.5131 -38.4 1.500 0.3972 177.4 3.831 71.3 0.0754 41.1 0.5056 -39.3 1.600 0.3970 172.0 3.604 68.4 0.0780 40.8 0.5003 -40.4 1.700 0.4018 165.7 3.391 65.3 0.0809 40.7 0.4945 -41.6 1.800 0.4080 160.7 3.214 62.4 0.0833 40.7 0.4892 -42.7 1.900 0.4120 156.2 3.052 59.8 0.0857 40.0 0.4839 -44.0 2.000 0.4139 151.3 2.894 57.1 0.0885 40.0 0.4799 -45.2 2.200 0.4327 143.5 2.639 51.9 0.0942 39.3 0.4710 -48.0 2.400 0.4504 135.4 2.426 47.0 0.0997 38.6 0.4632 -50.9 2.600 0.4666 128.8 2.235 42.2 0.1051 37.8 0.4539 -54.0 2.800 0.4877 122.6 2.072 37.2 0.1102 36.8 0.4475 -57.3 3.000 0.5063 116.9 1.939 32.8 0.1156 35.7 0.4384 -60.8 3.500 0.5545 105.0 1.644 22.0 0.1292 32.9 0.4242 -70.3 4.000 0.6016 95.5 1.428 12.0 0.1421 29.6 0.4102 -80.8 4.500 0.6394 87.3 1.245 2.4 0.1539 26.3 0.4009 -92.3 5.000 0.6663 80.7 1.102 -5.9 0.1654 23.3 0.3974 -103.8 5.500 0.6903 74.9 0.987 -14.2 0.1795 19.9 0.4066 -115.6 6.000 0.7201 69.8 0.890 -21.9 0.1919 16.1 0.4217 -127.3 ! ! SIEMENS AG Semiconductor Group, Munich