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| Low Noise/Medium Power GaAs MESFET Chip AFM04P3-000 Features s 21 dBm Output Power @ 18 GHz s High Associated Gain, 9 dB @ 18 GHz s High Power Added Efficiency, 25% s Broadband Operation, DC-26 GHz s 0.25 m Ti/Pd/Au Gates s Passivated Surface Chip Layout Description The AFM04P3-000 is a high performance power GaAs MESFET chip having a gate length of 0.25 m and a total gate periphery of 400 m. The device has excellent gain and power performance through 26 GHz, making it suitable for a wide range of commercial and military applications in oscillator and amplifier circuits. The device employs Ti/Pd/Au gate metallization and surface passivation to ensure a rugged, reliable part. Absolute Maximum Ratings Characteristic Drain to Source Voltage (VDS) Gate to Source Voltage (VGS) Drain Current (IDS) Gate Current (IGS) Total Power Dissipation (PT) Storage Temperature (TST) Channel Temperature (TCH) Value 6V -4 V IDSS 1 mA 700 mW -65 to +150C 175C Electrical Specifications at 25C Parameter Saturated Drain Current (IDSS) Transconductance (gm) Pinch-off Voltage (VP) Gate to Drain Breakdown Voltage (Vbgd) Noise Figure (NF) Associated Gain (GA) Output Power at 1 dB Compression (P1 dB) Gain at 1 dB Compression (G1 dB) Power Added Efficiency (add) Thermal Resistance (JC) Test Conditions VDS = 2 V, VGS = 0 V VDS = 5 V, IDS = 1 mA IGD = -400 A VDS = 2 V, IDS = 25 mA, F = 4 GHz Min. 90.0 60.0 1.0 8.0 Typ. 140.0 80.0 3.0 12.0 0.6 13.8 21.0 VDS = 5 V, IDS = 70 mA, F = 18 GHz 9.0 25.0 TBASE = 25C 250.0 5.0 Max. 190.0 Unit mA mS -V -V dB dB dBm dB % C/W Alpha Industries, Inc. [781] 935-5150 * Fax [617] 824-4579 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 6/99A 1 Low Noise/Medium Power GaAs MESFET Chip AFM04P3-000 Typical Performance Data VGS = 0 V -0.5 V 120 Total Power Dissipation PT (W) 150 1.00 0.75 lDS (mA) 90 60 30 0 0 1 2 3 -1.0 V -1.5 V -2.0 V -2.5 V 4 5 0.50 0.25 0 0 50 100 150 200 VDS (V) TBASE (C) I-V Power Derating Typical S-Parameters (VDS = 5 V, IDS = 70 mA) Freq. (GHz) 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 S11 Mag. 0.969 0.958 0.935 0.913 0.893 0.877 0.863 0.852 0.843 0.836 0.831 0.826 0.823 0.821 0.819 0.818 0.817 0.817 0.817 0.818 0.819 0.820 0.821 0.822 0.824 Ang. -37.191 -54.069 -69.318 -82.889 -94.881 -105.468 -114.843 -123.189 -130.670 -137.422 -143.563 -149.188 -154.374 -159.187 -163.679 -167.895 171.872 -175.369 -179.221 177.359 174.083 170.936 167.905 164.969 162.148 Mag. 5.040 4.740 4.398 4.050 3.719 3.415 31.420 2.898 2.683 2.492 2.322 2.171 2.036 1.914 1.805 1.605 1.615 1.532 1.456 1.386 1.321 1.261 1.205 1.512 1.103 S21 Ang. 153.579 141.521 130.518 120.568 111.573 103.398 95.911 88.991 82.540 67.477 70.736 65.267 60.027 54.985 50.114 45.393 40.805 36.335 31.973 27.760 23.535 19.445 15.343 11.498 6.633 Mag. 0.029 0.041 0.051 0.058 0.064 0.068 0.071 0.073 0.074 0.075 0.076 0.076 0.076 0.065 0.074 0.074 0.073 0.072 0.071 0.060 0.069 0.068 0.067 0.066 0.065 S12 Ang. 68.605 59.064 50.587 43.171 36.722 31.107 26.196 21.873 18.042 14.624 11.558 8.796 6.302 4.047 2.007 0.167 -1.486 -2.961 -4.266 -5.405 -6.382 -7.201 -7.863 -8.371 -8.728 Mag. 0.550 0.533 0.514 0.497 0.482 0.471 0.462 0.456 0.453 0.452 0.453 0.455 0.459 0.464 0.470 0.477 0.484 0.492 0.501 0.510 0.520 0.530 0.540 0.551 0.561 S22 Ang. -18.296 -26.529 -33.959 -40.630 -46.663 -52.183 -57.310 -62.138 -66.738 -71.161 -75.442 -79.606 -83.671 -87.648 -91.546 -95.372 -99.129 -102.821 -106.451 -110.021 -113.533 -116.989 -120.389 -123.737 -127.031 k 0.100 0.150 0.200 0.250 0.299 0.349 0.398 0.447 0.496 0.544 0.593 0.641 0.688 0.735 0.781 0.827 0.872 0.916 0.959 1.001 1.041 1.069 1.116 1.150 1.181 MAG (dB) 22.364 20.613 19.278 18.247 17.658 17.104 16.464 15.986 15.566 15.193 14.858 14.447 14.285 14.037 13.811 13.063 13.412 13.235 13.071 12.753 11.534 10.915 10.431 10.024 9.671 S-Parameters include the effects of two 0.8 mil diameter bond wires, each 10 mil long, to each of the gate and drain terminals. 2 Alpha Industries, Inc. [781] 935-5150 * Fax [617] 824-4579 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 6/99A |
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