! SIEMENS Small Signal Semiconductors ! BFR181 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 1.5 V IC = 0.8 mA ! Common Emitter S-Parameters: May 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9665 -0.8 2.790 179.6 0.0017 93.0 0.9993 -0.4 0.020 0.9559 -1.5 2.813 178.4 0.0035 85.1 0.9966 -0.7 0.050 0.9656 -3.8 2.853 176.4 0.0093 88.7 0.9983 -1.8 0.100 0.9659 -7.3 2.810 173.0 0.0182 85.6 0.9962 -3.5 0.150 0.9571 -11.2 2.845 168.4 0.0279 82.0 0.9920 -5.4 0.200 0.9458 -14.6 2.803 164.9 0.0366 80.1 0.9872 -7.1 0.250 0.9420 -18.7 2.775 161.2 0.0459 77.6 0.9820 -8.8 0.300 0.9291 -22.3 2.791 157.2 0.0540 75.5 0.9760 -10.5 0.400 0.9033 -29.8 2.729 150.8 0.0700 70.5 0.9593 -13.9 0.500 0.8632 -36.7 2.602 143.3 0.0842 66.3 0.9390 -16.9 0.600 0.8308 -43.6 2.547 137.0 0.0979 62.4 0.9182 -19.6 0.700 0.7917 -50.3 2.493 130.6 0.1089 58.6 0.8951 -22.3 0.800 0.7481 -56.9 2.399 124.4 0.1189 55.1 0.8728 -24.7 0.900 0.7119 -62.7 2.303 118.6 0.1269 52.2 0.8474 -26.9 1.000 0.6746 -68.6 2.210 113.6 0.1336 49.4 0.8269 -28.9 1.100 0.6334 -75.1 2.141 108.6 0.1402 47.1 0.8078 -30.8 1.200 0.5950 -80.7 2.059 103.5 0.1451 44.9 0.7889 -32.7 1.300 0.5625 -87.0 1.991 99.0 0.1497 43.3 0.7704 -34.1 1.400 0.5209 -92.8 1.919 94.5 0.1519 41.9 0.7535 -35.8 1.500 0.4913 -99.1 1.877 90.3 0.1546 40.9 0.7365 -37.1 1.600 0.4572 -105.5 1.803 85.8 0.1568 40.0 0.7229 -38.3 1.700 0.4254 -112.5 1.757 82.0 0.1578 39.7 0.7049 -39.7 1.800 0.3976 -118.1 1.699 78.3 0.1608 39.4 0.6945 -40.9 1.900 0.3775 -125.7 1.656 74.6 0.1620 39.2 0.6836 -42.4 2.000 0.3579 -132.5 1.595 70.9 0.1650 39.1 0.6762 -43.4 2.200 0.3198 -147.1 1.516 64.1 0.1675 39.9 0.6542 -46.3 2.400 0.3020 -161.9 1.435 57.8 0.1724 41.0 0.6379 -49.1 2.600 0.2877 -178.9 1.376 52.0 0.1801 42.9 0.6201 -51.9 2.800 0.2930 167.4 1.307 46.7 0.1875 44.1 0.6105 -55.3 3.000 0.3058 153.5 1.259 41.0 0.1976 46.0 0.5932 -58.8 3.500 0.3579 127.5 1.130 29.6 0.2341 48.6 0.5682 -70.0 4.000 0.4184 110.9 1.031 19.4 0.2845 48.8 0.5403 -84.5 4.500 0.4781 99.1 0.942 10.9 0.3459 45.9 0.5157 -101.8 5.000 0.5201 88.9 0.877 3.3 0.4117 40.5 0.4932 -120.8 5.500 0.5599 81.4 0.811 -3.0 0.4738 33.4 0.4804 -141.4 6.000 0.5847 74.1 0.761 -7.9 0.5290 25.4 0.4766 -161.9 ! ! SIEMENS AG Semiconductor Group, Munich