! SIEMENS Small Signal Semiconductors ! BF660 ! Si PNP RF Bipolar Junction Transistor in SOT23 ! VCE = -12 V IC = -2.5 mA ! Common Emitter S-Parameters: January 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9131 -8.8 7.835 173.3 0.0022 85.8 0.9983 -0.9 0.020 0.8989 -17.4 7.687 166.7 0.0046 80.1 0.9925 -1.5 0.050 0.8337 -41.3 6.917 149.1 0.0098 69.0 0.9740 -3.3 0.100 0.7044 -72.8 5.408 127.6 0.0156 55.8 0.9438 -4.6 0.150 0.6165 -94.6 4.226 113.7 0.0191 51.3 0.9248 -5.1 0.200 0.5630 -110.1 3.384 103.7 0.0216 49.5 0.9145 -5.5 0.250 0.5369 -121.9 2.801 96.4 0.0239 48.8 0.9101 -5.9 0.300 0.5265 -130.7 2.377 90.6 0.0255 48.7 0.9056 -6.4 0.400 0.5190 -144.3 1.808 81.2 0.0284 49.1 0.9039 -7.7 0.500 0.5288 -154.1 1.456 73.5 0.0315 50.0 0.9028 -9.0 0.600 0.5395 -162.5 1.210 66.8 0.0333 52.0 0.9004 -10.5 0.700 0.5552 -169.5 1.039 60.8 0.0354 54.9 0.9024 -11.9 0.800 0.5724 -175.7 0.905 55.2 0.0364 57.1 0.9038 -13.5 0.900 0.5870 178.7 0.801 50.2 0.0378 61.1 0.9025 -15.3 1.000 0.5999 173.2 0.716 45.4 0.0391 65.7 0.9024 -16.9 1.100 0.6165 168.2 0.649 40.9 0.0411 71.1 0.9036 -18.7 1.200 0.6322 163.2 0.587 36.9 0.0439 76.1 0.9050 -20.6 1.300 0.6412 159.1 0.531 32.9 0.0475 81.7 0.9056 -22.6 1.400 0.6548 154.9 0.489 30.2 0.0526 86.3 0.9054 -24.3 1.500 0.6671 150.9 0.449 26.4 0.0580 90.7 0.9051 -26.2 1.600 0.6743 147.0 0.413 23.8 0.0651 94.0 0.9045 -28.3 1.700 0.6882 143.1 0.376 20.9 0.0731 96.6 0.9051 -30.4 1.800 0.6961 139.5 0.344 18.8 0.0822 98.5 0.9032 -32.4 1.900 0.7060 136.0 0.316 17.0 0.0923 99.9 0.9024 -34.5 2.000 0.7172 132.4 0.283 16.6 0.1029 100.7 0.9005 -36.7 2.200 0.7266 125.5 0.239 15.3 0.1272 100.8 0.8940 -41.1 2.400 0.7420 118.8 0.196 17.1 0.1538 99.2 0.8872 -45.8 2.600 0.7545 112.8 0.170 24.1 0.1823 97.0 0.8786 -50.4 2.800 0.7669 106.7 0.156 35.8 0.2125 93.9 0.8649 -55.4 3.000 0.7715 101.0 0.153 48.8 0.2442 90.3 0.8537 -60.4 ! ! SIEMENS AG Semiconductor Group, Munich