=zs.-- -e-= - * .-- --- -=-- --= -- - e -- an amp company rf mosfet power transistor, 6ow, 28v 2 - 175 mhz DU2860T features v2.00 -*- n-channel enhancement mode device dmos structure lower capacitances for broadband operation high saturated output power lower noise figure than bipolar devices . . absolute maximum ratings at 25c input capacitance c iss 135 pf v,,=28.0 v, f=l .o mhz output capacitance c oss 120 pf v,,=28.0 v, f=l .o mhz reverse capacitance c rss 24 pf v,,=28.0 v, f=l .o mhz power gain gp 13 - db v,,=28.0 v, i,,=300 ma, p,,=60.0 w, f=l75 mhz drain efficiency % 60 - % v,,=28.0 v, i,,=300 ma, p,,=60.0 w, f=175 mhz load mismatch tolerance vswr-t - 3o:l - v,,=28.0 v, i,,=300 ma, p,#go.o w, f=l75 mhz specifications subject to change wahout notice. m/a-com, inc. north america: tel. (800) 3662266 n asia/pacific: tel. +81 (03) 3226-1671 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +81 (03) 3226-1451 fax +44 (1344) 300 020
rf mosfet power transistor, 6ow, 28v DU2860T v2.00 typical broadband performance curves 25 gain vs frequency i?,,=28 v i,,=300 ma po,=60 w 10 - efficiency vs frequency ao- v,,=28 v i,,=300 ma po?,.=60 w 50 100 150 200 2.5 50 100 1.50 200 frequency (mhz) frequency (mhz) power output vs power input 801 v,,=20 v i,,=300 ma 1 0 0.5 1 1.5 2 2.5 2.75 3 power input(w) specifications subject to change wiiout notice. mia-com, inc. north america: tel. (800) 366-2266 m asia/pacific: tel. +81 (03) 3226-1671 u europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +81 (03) 3226-1451 fax +44 (1344) 300 020
rf mosfet power transistor, 6ow, 28v typical device impedance frequency (mhz) 30 50 100 200 z,, (ohms) z load (ohms) 9.0 - j 4.0 6.0 + j 0.0 6.0 - j 5.8 5.0 + j 2.0 4.0 - j 4.2 4.0 + j 3.0 1.0-j 1.0 2.0 + j 1.9 v,,=28 v, i,,=300 ma, p,,,=60 watts z,, is the series equivalent input impedance of the device from gate to source. z load is thebptimum series equivalent load impedance as measured from drain to ground. rf test fixture vds = 28 volts idq = 300ma vgs vds j3 j4 p p rf in jl cl ll iy - al cl $3 c2,c9 c4,c5 c6,c8 c7 ll l2 l3 ftl ql board l3 rf out cl1 l2 c8 j2 i a . . l iy 7 al c7 $ cgt 7-c c6 parts list trimmer capacitor 4-4opf capacitor 5opf feedthrough capacitor 0.001 uf trimmer capacitor 9-180pf capacitor 15pf no. 12 awg copper wire x 1.18? (loop 0.5?) no. 12 awg copper wire x 1? (loop 0.4?) 8 turns of no. 22 awg enamel wire on ?0.25?. close wound resistor 300 ohms 0.5 wa-l7 DU2860T fr4 0.062? specifications subject to change without notice. north america: tel. (800) 366-2266 n asia/pacific: tel. t81 (03) 3226-1671 fax (800) 618-8883 fax +81 (03) 3226-1451 mia-com, inc. n europe: tel. +44 (1344) 869 595 fax +44 (1344) 300 020
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