rf mosfet power transistor, ioow, 28v 100 - 500 mhz uf281 ooh features n-channel enhancement mode device dmos structure lower capacitances for broadband operation high saturated output power lower noise figure than competitive devices input capacitance c - is 13.5 pf v,,=28.0 v, f=l .o mhz? qutput capacitance c os 90 pf vd,=28.0 v, f=l.o mhz? reversecapacitance c rss ?24 pf v,,=28.0 v, f=l .o mhz? power gain gp 10 - db v,,=28.0 v, 1,,=800.0 ma, p,yloo.o w, f=500 mhz drain efficiency % 50 - % v,,=28.0 v, l,0=600.0 ma, p,&oo.o w, f&o0 mhz return loss rl 10 - db v,,=28.0 v, 1,,=600.0 ma, p,eloo.o w, f=500 mhz load mismatch tolerance vswr-t - 3o:l - v,,=28.0 v, 1,,=600.0 ma, p,,~loo.o w, f=500 mhz * per side specifications subject to change without notice. mia-com, inc. north america: tel. (800) 366-2266 n asia/pacific: tel. +81 (03) 3226-1671 n europe: tel. -1-44 (1344) 869 595 fax (800) 618-8883 fax +81 (03) 3226-1451 fax +44 (1344) 300 020
rf mosfet power transistor, ioow, 28v uf281ooh v2.00 typical broadband performance curves efficiency vs frequency power output vs supply voltage 80- p,,=lo w i,,=600 ma (push-pull device) 120 100 so 60 40 20 0 p,,=lo w i,,=600 ma f=500 mhz 401 i . . 100 200 300 400 sw frequency (mhz) 14 16 20 24 28 32 supply voltage (v) power output vs power input v,,=28 v i,,=600 ma (push-pull device) 0 0 1 2 4 6 8 10 12 power input (w) pecifications subject to change without notice. mia-com, inc. north america: tel. (800) 366-2266 m 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, loow, 28v uf281 ooh v2.00 typical device impedance frequency (mhz) 100 300 500 z,, (ohms) z load (ohms) 4.5 - j 6.0 14.5 + j 0.5 2.25 - j 1.75 7.5 + j 1 .o 1.5 + j 5.5 3.5 - j 3.5 .i v,,=28 v, i,,=goo ma, p,,=loo.o watts z,, is the series equivalent input impedance of the device from gate to gate. z load is !he optimum series equivalent load impedance as measured from drain to drain. rf test fixture cl.cb c2.q c4 c5 c6,c7 crc10 cl1 cl2 rl .r4 rzm ll u n 72 t4 01 board jlj2 j3j4j5 parts list chip capacitor, z.&if atc b chip capacitor, sooopf chip capacitor. 37pf atc b chip capacttdr. 25opf atc 6 chip capacitcr .olsuf chip capacitcr. 55opf atc b chip capacitor, 0.6pf ax b electrolyi?ic capacitor. kklf 50 volts resistor. 27 ohm 25 walt reslstdr. 22k ctlm 25 war inductor. 5 turns of no. 15awg on ?.lo? inductor. 10 turns of no. 22 awg on r4 ,:l balun transformer. 50 ohm semuugid coax ?.059 x 3? long 4:l bmun transformer. 25 ohm semi-rigid coax ?.070? x 25? long 1:s balun transformer, 10 dhm sembrlglg coax ?.070? x 2.5? long l:, balun transformer. 50 ohm sembrlgid cqax ?wc x 4? long uf2blooh rogers 5b70. ,031? thick connector. 7ype ?k banana jack finned aluminum, d/n ?13050152-w specifications subject to change without notice. m/a-com, inc. north america: tel. (800) 366-2266 8 asia/pacific: tel. +81 (03) 3226-1671 h europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +81 (03) 3226-1451 fax +44 (1344) 300 020
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