s2zz-f rgy== e -A5g =r- ---=- an AMP company RF MOSFET 2 - 175 MHz Power Transistor, 6OW, 28V DU2860U v2.00 Features A 4Gl. 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 Electrical Characteristics at 25°C IWA-COM, Inc. North America: Specifications Subject to Change Without Notice. Tel. (800) 366-2266 Fax (800) 618-8883 n Asia/Pacific: Tel. +81 (03) 3226-1671 Fax +81 (03) 3226-1451 m Europe: Tel. +44 (1344) 869 595 Fax +I4 (1344) 300 020 RF MOSFET Power Transistor, 6OW, 28V v2.00 Typical Broadband Performance Curves GAIN vs FREQUENCY V,,=28 EFFICIENCY V 1,0=300 mA P,,,.,.=60 W V,,=28 80 , vs FREQUENCY V I,,=300 mA P,,~60 W =z I” . * 100 50 150 FREQUENCY 200 50 25 loo (MHz) POWER OUTPUT V,,=20 150 FREOUENCY (MHz) Europe: Tel. Fax 200 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 Without Notice. M/A-COM, North America: Tel. (800) Fax (800) 366-2266 618-8883 = Asia/Pacific: Tel. Fax +81 +81 (03) 3226-1671 (03) 3226-1451 n +44 (1344) +44 (1344) Inc. 869 595 300 020 DU2860U RF MOSFET Power Transistor, 6OW, 28v V2.00 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 1.0 2.Ocj 1.9 V,,=28 V, I,,=300 mA, PO,,=60 Watts Z,, is the series equivalent input impedance of the device from gate to source. z LOAD is the optimum series equivalent load impedance as measured from drain to ground. RF Test Fixture VGS VDS J3 J4 P P VDS = 28 VOLTS IDQ = 3OOmA L3 RF OUT RF IN I2 Ql Jl Cl C7 PARTS 1. .. - I + “7 w $ J2 C8 IY /(, C6 LIST Cl,C3 TRIMMER CAPACITOR 4-4OpF c2,c9 CAPACITOR 5OpF C4,c5 FEEDTHROUGH CAPACITOR 0.001 UF C6,CX TRIMMER CAPACITOR 9-18OpF c7 CAPACITOR 15pF Ll NO. 12 AWG COPPER WIRE X 1.18’ (LOOP 0.5”) I2 NO. 12 AWG COPPER WIRE X 1’ (LOOP 0.4’) 6 TURNS OF NO. 18 AWG ENAMEL WIRE ON L3 ‘0.25’, CLOSE WOUND RI RESISTOR 300 OHMS 0.5 WAlT Ql DU2860U BOARD FR4 0.062 Specifications Subject to Change Without Notice. M/A-COM, Inc. North America: Tel. (800) 366-2266 Fax (800) 618-8883 n Asia/Pacific: Tel. +81 (03) 3226-1671 Fax +81 (03) 3226-1451 Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020