publication date : apr., 2011 1 < high-power gaas fet (small signal gain stage) > MGF0915A l & s band / 4.5w smd non - matched description the MGF0915A gaas fet with an n-channel schottky gate, is designed for use uhf band amplifiers. features ? high output power po=36.5dbm(typ.) @f=1.9ghz,pin=23dbm ? high power gain gp=14.5db(typ.) @f=1.9ghz ? high power added efficiency ? add=50%(typ.) @f=1.9ghz,pin=23dbm ? hermetic package application ? for uhf band power amplifiers quality ? gg recommended bias conditions ? vds=10v ? ids=800ma ? rg=100 ? 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 3000 ma i gr reverse gate current -10 ma i gf forward gate current 21 ma p t total power dissipation 18.7 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 - 2400 3000 ma v gs(off) gate to source cut-off voltage v ds =3v,i d =10ma -1 -3 -5 v gm transconductance v ds =3v,i d =800ma - 1000 - ms po output power v ds =10v,i d =800ma,f=1.9ghz 35.0 36.5 - dbm ? add power added efficiency pin=23dbm - 50 - % g lp linear power gain v ds =10v,i d =800ma,f=1.9ghz 13.0 14.5 - db rth(ch-c) thermal resistance *1 ? vf method - 5 8 ? c/w *1: channel to case / above parameters, ratings, limits are subject to change. fig.1
< high-power gaas fet (small signal gain stage) > MGF0915A l & s band / 4.5w smd non - matched publication date : apr., 2011 2 MGF0915A typical characteristics po,gp,pae vs.pin 0 5 10 15 20 25 30 35 40 5 1015202530 pin(dbm) gp(db),po(dbm) 0 10 20 30 40 50 60 70 80 pae(%) gp pae po vds=10v id=0.8a f=1.9ghz im3,po(scl) vs. pi(scl) -40 -30 -20 -10 0 10 20 30 40 -5 0 5 10 15 20 25 pi(scl) (dbm) po(scl) (dbm) -70 -60 -50 -40 -30 -20 -10 0 10 im3 (dbc) po im3 vd=10v id=800ma f1=1.90ghz f2=1.91ghz
< high-power gaas fet (small signal gain stage) > MGF0915A l & s band / 4.5w smd non - matched publication date : apr., 2011 3 MGF0915A s parameters (ta=25 ? c,vd=10v,id=800ma, reference plane see fig.1) freq. k mag/msg (mhz) (mag) (ang) (mag ) (ang)(mag)(ang)(mag)(ang) (db ) 600 0.948 -145.92 4.852 99.38 0.013 24.42 0.721 -177.51 0.38 25.72 1000 0.947 -161.85 2.941 86.78 0.015 26.56 0.717 -178.09 0.63 22.92 1400 0.946 -168.94 2.144 77.11 0.015 28.76 0.719 -178.44 0.84 21.55 1800 0.946 -173.55 1.746 69.39 0.016 30.92 0.725 -178.66 0.94 20.38 2200 0.945 -176.72 1.456 62.91 0.017 32.93 0.732 -178.82 1.03 18.23 2600 0.944 -178.89 1.211 57.13 0.018 34.72 0.739 -178.94 1.14 16.00 3000 0.942 178.80 1.032 51.69 0.019 36.22 0.745 -179.06 1.27 14.25 3400 0.939 177.37 0.934 46.34 0.020 37.37 0.749 -179.19 1.34 13.19 3800 0.935 174.73 0.888 40.95 0.022 38.13 0.751 -179.32 1.34 12.59 4200 0.930 171.44 0.836 35.45 0.024 38.46 0.751 -179.44 1.38 11.75 4600 0.925 167.90 0.759 29.81 0.027 38.33 0.749 -179.56 1.43 10.58 5000 0.918 164.36 0.798 24.04 0.031 37.72 0.745 -179.67 1.27 10.96 5400 0.911 160.93 0.730 18.15 0.035 36.59 0.740 -179.78 1.33 9.76 5800 0.903 157.60 0.715 12.14 0.039 34.92 0.732 179.67 1.32 9.23 6200 0.894 154.31 0.708 6.01 0.045 32.68 0.724 177.54 1.26 8.90 6600 0.884 150.88 0.707 -0.28 0.052 29.84 0.713 175.25 1.20 8.65 7000 0.871 147.10 0.711 -6.80 0.060 26.34 0.702 172.45 1.15 8.38 7400 0.855 142.73 0.721 -13.66 0.069 22.15 0.688 169.39 1.12 8.06 7800 0.833 137.52 0.739 -20.98 0.081 17.18 0.671 166.53 1.09 7.75 8200 0.807 131.21 0.765 -28.93 0.094 11.37 0.651 164.20 1.08 7.43 8600 0.778 123.58 0.802 -37.70 0.110 4.61 0.624 162.51 1.04 7.36 9000 0.748 114.45 0.849 -47.48 0.129 -3.21 0.590 161.19 1.00 8.18 9400 0.717 103.71 0.905 -58.48 0.152 -12.2 3 0.545 159.72 0.96 7.75 9800 0.688 91.34 0.964 -70.88 0.179 -22.60 0.487 157.44 0.93 7.31 10200 0.671 77.41 1.023 -84.83 0.211 -34.51 0.410 153.88 0.90 6.86 10600 0.672 62.1 2 1.072 -100.40 0.248 -48.1 7 0.311 149.13 0.86 6.36 11000 0.697 45.8 2 1.100 -117.62 0.293 -63.8 2 0.184 144.37 0.81 5.75 11400 0.746 29.0 3 1.095 -136.37 0.326 -81.74 0.021 -179.00 0.79 5.26 11800 0.812 12.4 3 1.038 -156.40 0.346 -102.24 0.194 -81.10 0.79 4.77 12200 0.877 -3.09 0.913 -177.29 0.346 -125.67 0.404 -95.22 0.79 4.21 s11s21s12s22 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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