! SIEMENS Small Signal Semiconductors ! BFQ81 ! Si NPN RF Bipolar Junction Transistor in SOT23 ! VCE = 0.75 V IC = 0.2 mA ! Common Emitter S-Parameters: October 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.9871 -1.3 0.813 -179.7 0.0053 91.1 0.9996 -0.5 0.020 0.9878 -2.7 0.815 176.9 0.0104 89.7 0.9920 -1.0 0.050 0.9837 -6.7 0.808 172.6 0.0264 85.0 0.9983 -2.6 0.100 0.9900 -13.4 0.805 166.7 0.0530 81.1 0.9970 -5.1 0.150 0.9750 -20.3 0.805 158.4 0.0782 75.9 0.9902 -7.7 0.200 0.9700 -27.1 0.799 152.4 0.1030 71.9 0.9857 -10.2 0.250 0.9569 -33.9 0.795 145.5 0.1261 67.0 0.9746 -12.7 0.300 0.9434 -40.3 0.791 139.0 0.1484 63.0 0.9676 -15.0 0.400 0.9139 -52.8 0.770 127.0 0.1867 54.5 0.9425 -19.4 0.500 0.8797 -65.4 0.743 114.5 0.2190 46.7 0.9195 -23.6 0.600 0.8543 -76.8 0.728 104.2 0.2446 39.6 0.8957 -27.4 0.700 0.8248 -87.5 0.712 94.4 0.2632 33.1 0.8734 -30.8 0.800 0.7992 -98.2 0.685 85.6 0.2760 26.9 0.8502 -34.1 0.900 0.7756 -107.7 0.666 77.2 0.2839 21.5 0.8309 -37.0 1.000 0.7537 -117.3 0.646 69.7 0.2859 16.3 0.8153 -40.0 1.100 0.7374 -127.2 0.627 62.9 0.2856 11.4 0.8017 -43.0 1.200 0.7272 -135.6 0.607 56.4 0.2813 6.8 0.7876 -46.2 1.300 0.7217 -143.9 0.584 51.3 0.2746 3.2 0.7766 -48.7 1.400 0.7129 -151.7 0.562 45.9 0.2635 -0.7 0.7691 -51.7 1.500 0.7113 -159.4 0.551 41.7 0.2512 -3.2 0.7603 -54.4 1.600 0.7084 -167.4 0.518 36.6 0.2388 -6.2 0.7569 -57.5 1.700 0.7049 -174.9 0.507 33.3 0.2216 -7.7 0.7423 -60.6 1.800 0.7090 178.7 0.487 30.7 0.2069 -8.6 0.7421 -63.3 1.900 0.7168 172.3 0.471 26.9 0.1872 -9.0 0.7381 -67.2 2.000 0.7212 166.1 0.448 24.7 0.1719 -8.5 0.7334 -70.6 2.200 0.7257 154.3 0.412 20.6 0.1370 -1.8 0.7260 -78.2 2.400 0.7409 142.7 0.383 18.8 0.1173 14.9 0.7107 -87.6 2.600 0.7495 132.4 0.360 19.7 0.1254 35.3 0.7041 -96.0 2.800 0.7619 123.2 0.347 21.7 0.1577 48.4 0.6907 -106.6 3.000 0.7683 114.9 0.349 23.2 0.2048 53.2 0.6859 -117.2 3.500 0.7774 98.0 0.385 26.4 0.3262 47.9 0.6549 -145.7 4.000 0.7659 85.5 0.433 25.0 0.4169 38.6 0.6022 -168.6 4.500 0.7569 76.9 0.501 17.9 0.4977 26.4 0.6348 168.4 5.000 0.7456 70.1 0.540 10.6 0.5398 16.2 0.6357 150.1 5.500 0.7372 64.4 0.562 4.2 0.5693 7.6 0.6425 134.8 6.000 0.7254 59.4 0.579 -2.5 0.5889 -0.8 0.6510 121.6 ! ! SIEMENS AG Semiconductor Group, Munich