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HWF1686RA
L-Band GaAs Power FET
June 2005 V3
Outline Dimensions
Features
* Output Power: P1dB=30 dBm (typ.) * High Gain: GL=16 Db (typ.) * High Efficiency: PAE =45% (typ.) * High Linearity: IP3=45 dBm (typ.) * Low Cost
Description
The HWF1686RA 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
[1]
Drain to Source Voltage Gate to Source Voltage Drain Current Gate Current Channel Temperature Storage Temperature Power Dissipation
+15V -5V IDSS 2 mA 175C -65 to +175C 3.5 W
VGS ID IG TCH TSTG PT [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 25C
Symbol IDSS VP Parameters Saturated Drain Current Pinch-off Voltage Transconductance Thermal Resistance Output Power @1dB Gain Linear Power Gain Power-added Efficiency (Pout = P1dB) Third-order Intercept Point
[3]
Conditions VDS=3V, VGS=0V VDS=3V, IDS=20 mA VDS=3V, IDS=200 mA Channel to Case VDS=10V IDS=0.5IDSS f=2.4 GHz
Units mA V mS C/W dBm dB % dBm
Min. 300 -3.5 29.0 15 -
Typ. 400 -2.0 200 30 30.0 16 45 45
Max. 600 -1.5 40 -
gm
Rth P1dB GL PAE IP3
[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.
HWF1686RA
L-Band GaAs Power FET
June 2005 V3
Typical Performance at 25C
Output Power, Efficiency & Gain vs. Input Power
VDS=10V, IDS=0.5IDSS f=2.4GHz
40 50
35
add
40
Pout (dBm)
30
Gain (dB)
15 10
20
10 5 0 0 2 4 6 8 10 12 14 16 18 20 0
Power Derating Curve Total Power Dissipation,PT (W) 6
Gain
4
(25,3.5)
2
Pin (dBm)
(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: sales@hw.com.tw All specifications are subject to change without notice. .
add
20
(%)
25
Pout
30
HWF1686RA
L-Band GaAs Power FET
June 2005 V3
Typical S-Parameters (Common Source, TA=25C, VDS=10V, IDS=0.5IDSS)
Freq (GHz)
0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
S11
Mag.
0.966 0.954 0.954 0.955 0.951 0.943 0.943 0.943 0.947 0.947 0.949 0.946 0.949 0.950 0.949 0.948 0.951 0.947 0.946 0.944 0.940 0.939 0.940 0.936 0.932 0.931 0.900 0.897 0.882 0.846 0.781 0.626 0.265
S21
Ang. Mag.
7.901 7.488 7.065 6.693 6.327 5.953 5.612 5.283 4.979 4.700 4.434 4.199 3.970 3.771 3.579 3.402 3.245 3.081 2.942 2.811 2.691 2.577 2.473 2.374 2.290 2.198 1.664 1.431 1.301 1.206 1.210 1.414 1.774
S12
Ang. Mag.
0.014 0.015 0.017 0.018 0.019 0.020 0.021 0.021 0.021 0.022 0.022 0.022 0.021 0.021 0.021 0.021 0.020 0.020 0.020 0.020 0.019 0.019 0.019 0.018 0.018 0.018 0.016 0.016 0.008 0.015 0.022 0.026 0.051
S22
Ang.
53.040 46.780 40.360 36.440 30.700 26.080 21.660 17.640 14.800 10.930 7.860 4.280 2.480 -0.240 -2.920 -4.520 -6.500 -7.550
Mag.
0.455 0.453 0.444 0.447 0.450 0.454 0.457 0.465 0.468 0.478 0.485 0.494 0.502 0.512 0.524 0.533 0.545 0.558 0.569 0.579 0.591 0.601 0.613 0.625 0.636 0.646 0.733 0.774 0.792 0.837 0.841 0.833 0.839
Ang.
-44.490 -49.140 -55.370 -60.860 -66.130 -71.560 -76.340 -81.450 -85.610 -89.680 -93.630 -97.440 -101.200 -104.460 -107.740 -110.660 -113.700 -116.610 -119.360 -121.760 -124.120 -126.170 -128.150 -130.160 -131.900 -133.870 -148.980 -164.480 178.130 160.780 148.940 141.520 129.890
-60.600 -71.580 -79.740 -88.330 -95.930 -102.980 -109.520 -115.520 -120.920 -125.900 -130.650 -134.810 -139.040 -142.830 -146.280 -149.330 -152.720 -155.590 -158.550 -161.160 -163.570 -166.360 -168.460 -170.910 -172.740 -175.220 166.850 148.860 130.020 109.390 91.190 65.480 -11.550
137.750 129.900 122.830 116.180 109.940 103.930 98.390 92.970 88.080 83.310 78.720 74.510 70.220 66.290 62.310 59.030 55.200 51.910 48.650 45.510 42.540 39.490 36.680 33.920 31.330 28.650 5.030 -18.490 -43.500 -69.890 -93.950 -121.200 -164.010
-10.380 -13.150 -13.840 -15.830 -14.660 -17.220 -20.380 -20.140 -31.630 -38.100 -46.420 -52.210 -71.340 -78.610 -114.740
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: sales@hw.com.tw All specifications are subject to change without notice. .

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