HWF1687RA L-Band GaAs Power FET June 2005 V3 Outline Dimensions Features • Output Power: P1dB=31.5 dBm (typ.) • High Gain: GL=16 dB (typ.) • High Efficiency: PAE =45% (typ.) • High Linearity: IP3=46 dBm (typ.) • Class A or Class AB Operation • Low Cost Description The HWF1687RA is a medium power GaAs MESFET designed for various RF and Microwave applications. It is presently offered in a low cost, surface-mountable ceramic package. Absolute Maximum Ratings VDS Drain to Source Voltage +15V VGS Gate to Source Voltage -5V ID Drain Current IDSS IG Gate Current 3 mA TCH Channel Temperature 175°C TSTG Storage Temperature -65 to +175°C Power Dissipation 6W PT [1] [1] [2] RA Package (Ceramic) Hexawave recommends that the quiescent drain-source operating voltage (VDS) should not exceed 10 Volts. [2] Mounted on an infinite heat sink. Electrical Specification at 25°C Symbol Parameters Conditions Units Min. Typ. Max. mA 500 600 900 IDSS Saturated Drain Current VDS=3V, VGS=0V VP Pinch-off Voltage VDS=3V, IDS=30 mA V -3.5 -2.0 -1.5 gm Transconductance VDS=3V, IDS=300 mA mS - 300 - Rth Thermal Resistance Channel to Case °C/W - 15 25 P1dB Output Power @1dB Gain VDS=10V dBm 30.5 31.5 - GL Linear Power Gain dB 15 16 - PAE Power-added Efficiency (Pout = P1dB) % - 45 - dBm - 46 - IP3 IDS=0.5IDSS [3] Third-order Intercept Point f=2.4 GHz [3] Single carrier level 15dBm, 1 MHz apart between 2 tones, current adjusted for best IP3 Hexawave Inc. 2 Prosperity Road II, Science-Based Industrial Park, Hsinchu, Taiwan. TEL 886-3-578-5100 FAX 886-3-577-0512 http://www.hw.com.tw All specifications are subject to change without notice. HWF1687RA L-Band GaAs Power FET June 2005 V3 Typical Performance at 25°C Output Power, Efficiency & Gain vs. Input Power VDS=10V, IDS=0.5IDSS f=2.4GHz 40 50 η add Pout (dBm) 35 40 Pout 30 (%) 25 20 η 30 Gain (dB) add 20 Gain 15 10 10 5 0 0 0 2 4 6 8 10 12 14 16 18 20 Total Power Dissipation,PT (W) Power Derating Curve 7 (25,6) 6 5 4 3 2 1 (175,0) 0 0 50 100 150 200 Case Temperature,TC (℃) Hexawave Inc. 2 Prosperity Road II, Science Park, Hsinchu, Taiwan, R.O.C.. TEL 886-3-578-5100 FAX 886-3-577-0512 http://www.hw.com.tw Email: [email protected] All specifications are subject to change without notice. . HWF1687RA L-Band GaAs Power FET June 2005 V3 Typical S-Parameters (Common Source, TA=25°C, VDS=10V, IDS=0.5IDSS) Fre (GHz) S11 S21 S12 S22 Mag. Ang. Mag. Ang. Mag. Ang. Mag. Ang. 0.5 0.962 -76.42 9.456 129.85 0.016 46.86 0.307 -64.76 0.6 0.950 -88.58 8.730 121.80 0.018 40.88 0.303 -70.36 0.7 0.945 -97.49 8.066 114.76 0.019 35.92 0.301 -77.31 0.8 0.946 -106.34 7.495 108.24 0.020 30.21 0.307 -82.95 0.9 0.940 -113.98 6.963 102.31 0.021 26.13 0.314 -88.10 1.0 0.935 -120.90 6.463 96.72 0.022 22.00 0.322 -92.92 1.1 0.935 -127.15 6.016 91.58 0.022 18.06 0.330 -97.39 1.2 0.935 -132.75 5.606 86.69 0.022 14.88 0.342 -101.75 1.3 0.938 -137.60 5.243 82.22 0.022 12.46 0.349 -105.27 1.4 0.938 -142.11 4.915 77.87 0.022 9.82 0.361 -108.53 1.5 0.941 -146.30 4.609 73.75 0.022 7.72 0.371 -111.78 1.6 0.939 -150.07 4.347 69.97 0.022 4.77 0.383 -114.67 1.7 0.941 -153.83 4.098 66.10 0.022 3.83 0.395 -117.70 1.8 0.941 -157.22 3.880 62.48 0.022 1.33 0.407 -120.34 1.9 0.941 -160.17 3.675 58.95 0.022 -0.22 0.420 -122.88 2.0 0.940 -162.84 3.491 55.90 0.022 -1.94 0.431 -125.15 2.1 0.944 -165.81 3.323 52.48 0.021 -3.24 0.444 -127.46 2.2 0.939 -168.31 3.160 49.37 0.021 -4.58 0.459 -129.62 2.3 0.939 -170.93 3.006 46.27 0.021 -4.43 0.474 -131.90 2.4 0.937 -173.33 2.874 43.62 0.021 -6.73 0.484 -133.79 2.5 0.932 -175.41 2.755 40.86 0.020 -6.91 0.496 -135.56 2.6 0.932 -177.92 2.642 38.01 0.020 -10.13 0.508 -137.13 2.7 0.932 0.929 -179.77 2.539 35.38 0.020 -9.96 0.520 -138.61 178.01 2.441 32.75 0.020 -10.32 0.534 -140.20 0.923 0.923 176.42 174.25 2.356 2.262 30.28 -11.47 0.545 0.556 -141.56 27.72 0.020 0.019 -10.44 3.0 4.0 0.893 157.12 1.726 4.61 0.019 -17.23 0.647 -156.32 5.0 0.892 138.90 1.474 -19.07 0.020 -22.31 0.690 -171.37 6.0 0.881 119.59 1.307 -43.89 0.016 -17.90 0.710 170.90 7.0 0.858 99.12 1.167 -69.47 0.023 -32.91 0.761 153.39 8.0 0.823 81.96 1.107 -91.49 0.030 -47.27 0.767 141.00 9.0 0.764 61.21 1.192 -113.45 0.043 -49.52 0.749 132.82 10.0 0.632 24.25 1.441 -143.52 0.076 -75.80 0.757 120.64 2.8 2.9 -143.17 Hexawave Inc. 2 Prosperity Road II, Science Park, Hsinchu, Taiwan, R.O.C.. TEL 886-3-578-5100 FAX 886-3-577-0512 http://www.hw.com.tw Email: [email protected] All specifications are subject to change without notice. .