=zs.--E-= -=----- * .-----= - E an AMP company RF MOSFET 2 - 175 MHz Power Transistor, 6OW, 28V DU2860T v2.00 Features -*- 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 25°C Input Capacitance CISS 135 pF V,,=28.0 V, F=l .OMHz Output Capacitance Coss 120 pF V,,=28.0 V, F=l .OMHz Reverse Capacitance CRSS 24 pF V,,=28.0 V, F=l .OMHz 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 VSWR-T - 3O:l - V,,=28.0 V, I,,=300 mA, P,#GO.O W, F=l75 MHz Load Mismatch Tolerance SpecificationsSubjectto Change WAhout Notice. M/A-COM, North America: Tel. (800) 3662266 Fax (800) 618-8883 n Asia/Pacific: Tel. +81 (03) 3226-1671 Fax +81 (03) 3226-1451 n Europe: Inc. Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020 RF MOSFET Power Transistor, DU2860T 6OW, 28V v2.00 Typical Broadband Performance Curves GAIN vs FREQUENCY I’,,=28 25 10 V I,,=300 mA PO,=60 EFFICIENCY W V,,=28 ao- vs FREQUENCY V I,,=300 mA PO”,.=60 W 100 50 150 FREQUENCY 200 2.5 50 100 (MHz) FREQUENCY POWER OUTPUT V,,=20 801 1.50 200 (MHz) vs POWER INPUT 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 MIA-COM, Notice. Inc. North America: Tel. (800) Fax (800) 366-2266 618-8883 m Asia/Pacific: Tel. Fax +81 +81 (03) 3226-1671 (03) 3226-1451 u Europe: Tel. Fax +44 (1344) +44 (1344) 869 595 300 020 RF MOSFET Power Transistor, 6OW, 28V Typical Device impedance Frequency (MHz) Z,, (OHMS) Z LoAD(OHMS) 30 9.0 - j 4.0 6.0 + j 0.0 50 6.0 - j 5.8 5.0 + j 2.0 100 4.0 - j 4.2 4.0 + j 3.0 200 1.0-j 2.0 + j 1.9 V,,=28 Z,, is the series equivalent Z LOAD is thebptimum input impedance series equivalent 1.0 V, I,,=300 mA, P,,,=60 Watts of the device from gate to source. load impedance RF Test Fixture as measured from drain to ground. VGS VDS J3 J4 P P VDS = 28 VOLTS IDQ = 300mA L3 RF OUT RF IN Jl Cl IY Al Cl1 Ll L2 I - .. a C7 $ cgT L 7 C8 IY Al J2 7-C C6 PARTS LIST Cl $3 TRIMMER CAPACITOR 4-4OpF c2,c9 CAPACITOR 5OpF c4,c5 FEEDTHROUGH C6,C8 TRIMMER CAPACITOR 9-180pF c7 CAPACITOR 15pF CAPACITOR 0.001 UF Ll NO. 12 AWG COPPER WIRE X 1.18’ (LOOP 0.5’) L2 NO. 12 AWG COPPER WIRE X 1’ (LOOP 0.4”) L3 8 TURNS OF NO. 22 AWG ENAMEL WIRE ON Ftl RESISTOR 300 OHMS 0.5 WA-l7 Ql DU2860T BOARD FR4 0.062” ‘0.25’. CLOSE WOUND Specifications Subject to Change Without Notice. MIA-COM, North America: Tel. (800) 366-2266 Fax (800) 618-8883 n Asia/Pacific: Tel. t81 (03) 3226-1671 Fax +81 (03) 3226-1451 n Europe: Tel. +44 (1344) inc. 869 595 Fax +44 (1344) 300 020