publication date : apr., 2011 1 < high-power gaas fet (small signal gain stage) > MGF0917A l & s band / 0.25w smd non - matched description the MGF0917A gaas fet with an n-channel schottky gate, is designed for use uhf band amplifiers. features ? high output power po=24dbm(typ.) @f=1.9ghz,pin=4dbm ? high power gain gp=21db(typ.) @f=1.9ghz ? high power added efficiency ? add=38%(typ.) @f=1.9ghz,pin=4dbm ? hermetic package application ? for uhf band power amplifiers quality ? gg recommended bias conditions ? vds=10v ? ids=75ma ? rg=2k ? delivery -01: tape & reel(1k), -03: trai(50pcs) absolute maximum ratings (ta=25 ? c) symbol parameter ratings unit v gso gate to source breakdown voltage -15 v v gdo gate to drain breakdown voltage -15 v i d drain current 200 ma i gr reverse gate current -0.6 ma i gf forward gate current 2.5 ma p t total power dissipation 2 w tch cannel temperature 175 ? c tstg storage temperature -65 to +175 ? c electrical characteristics (ta=25 ? c) symbol parameter test conditions limits unit min. typ. max. i dss saturated drain current v ds =3v,v gs =0v - 150 200 ma v gs(off) gate to source cut-off voltage v ds =3v,i d =0.5ma -1.0 - -5.0 v gm transconductance v ds =3v,i d =75ma - 70 - ms po output power v ds =10v,i d =75ma,f=1.9ghz 23 24 - dbm ? add power added efficiency pin=4dbm - 38 - % g lp linear power gain - 21 - db nf noise figure v ds =10v,i d =75ma,f=1.9ghz - 0.9 - db rth(ch-c) thermal resistance *1 ? vf method - 55 75 ? c/w *1: channel to case / above parameters, ratings, limits are subject to change. fig.1
< high-power gaas fet (small signal gain stage) > MGF0917A l & s band / 0.25w smd non - matched publication date : apr., 2011 2 MGF0917A typical characteristics po,gp,pae vs.pin 0 5 10 15 20 25 30 -15 -10 -5 0 5 10 pin(dbm) po(dbm) 0 10 20 30 40 50 60 gp(db),pae(%) vds=10v id(off)=75ma f=1.9ghz po gp pae pi(scl) vs.po(scl),im3 -20 -15 -10 -5 0 5 10 15 20 25 30 -20 -15 -10 -5 0 5 10 15 pin(scl)(dbm) po(scl)(dbm) -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 im3(dbc) vd=10v id=75ma f1=1.90ghz f2=1.91ghz po im3
< high-power gaas fet (small signal gain stage) > MGF0917A l & s band / 0.25w smd non - matched publication date : apr., 2011 3 MGF0917A s parameters (ta=25 ? c,vd=10v,id=75ma, reference plane see fig.1) freq. k mag/msg (mhz) (mag) (ang) (mag) (ang) (mag) (ang) (mag) (ang) (db) 600 0.981 -33.12 4.043 146.73 0.013 60.97 0.542 -37.01 0.21 24.93 1000 0.963 -52.23 3.628 130.91 0.017 47.27 0.574 -55.99 0.27 23.29 1400 0.950 -67.81 3.204 115.76 0.020 33.78 0.613 -71.29 0.32 22.05 1800 0.940 -80.66 2.813 101.60 0.023 20.83 0.654 -84.14 0.37 20.87 2200 0.933 -91.42 2.480 88.63 0.025 8.72 0.694 -95.18 0.42 19.97 2600 0.928 -100.60 2.190 76.98 0.026 -2.30 0.732 -104.65 0.48 19.25 3000 0.925 -108.60 1.944 66.64 0.026 -12.04 0.765 -112.60 0.55 18.74 3400 0.922 -115.73 1.755 57.57 0.026 -20.38 0.793 -119.01 0.61 18.29 3800 0.920 -122.21 1.598 49.63 0.025 -27.27 0.816 -123.90 0.68 18.06 4200 0.919 -128.21 1.473 42.64 0.024 -32.78 0.834 -127.39 0.75 17.88 4600 0.917 -133.86 1.381 36.36 0.023 -37.04 0.848 -129.77 0.81 17.78 5000 0.915 -139.27 1.314 30.53 0.023 -40.28 0.859 -131.44 0.84 17.57 5400 0.911 -144.52 1.270 24.85 0.023 -42.81 0.867 -132.90 0.88 17.42 5800 0.905 -149.72 1.251 19.04 0.025 -44.98 0.874 -134.71 0.86 16.99 6200 0.895 -155.02 1.250 12.78 0.028 -47.24 0.880 -137.32 0.82 16.50 6600 0.881 -160.60 1.268 5.79 0.032 -50.03 0.885 -140.94 0.79 15.98 7000 0.860 -166.70 1.310 -2.21 0.037 -53.82 0.891 -145.42 0.76 15.49 7400 0.830 -173.68 1.366 -11.46 0.043 -59.06 0.895 -149.92 0.77 15.02 7800 0.789 179.59 1.451 -22.14 0.049 -66.14 0.897 -152.77 0.85 14.71 8200 0.734 165.49 1.557 -34.40 0.055 -75.38 0.895 -155.52 0.90 14.52 8600 0.662 149.83 1.670 -48.32 0.061 -86.96 0.884 -157.78 1.01 13.81 9000 0.581 121.51 1.779 -63.88 0.066 -100.89 0.863 -158.81 1.08 12.54 9400 0.521 81.43 1.864 -80.99 0.070 -116.97 0.837 -158.40 1.13 12.10 9800 0.525 36.33 1.872 -99.47 0.072 -134.73 0.802 -156.85 1.20 11.48 10200 0.622 -5.95 1.760 -119.01 0.072 -153.36 0.774 -154.83 1.21 11.11 10600 0.734 -39.56 1.553 -139.19 0.070 -171.68 0.759 -153.13 1.22 10.65 11000 0.820 -62.30 1.319 -159.45 0.066 174.68 0.758 -152.41 1.24 10.03 11400 0.876 -75.69 1.104 -179.08 0.060 163.25 0.766 -153.06 1.32 9.25 11800 0.905 -83.49 0.928 170.48 0.054 153.93 0.778 -154.90 1.39 8.64 12200 0.920 -88.74 0.785 158.33 0.047 146.49 0.792 -157.02 1.51 8.01 s11 s21 s12 s22 fig.1 outline drawing 0.80 0.25 (1) gate (2) drain (3) source 4.00 (2) 0.3 gate mark round corner (1) 4.20 (2) back side pattern 2.5 (unit:mm) 0.6 2.0 0.8 (1) (3) gate mark 2.8 1.20 reference plane reference plane
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