UF2840G MACOM | Alldatasheet
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Technical content
Features
l N-Channel Enhancement Mode Device l DMOS Structure l Lower Capacitances for Broadband Operation l High Saturated Output Power l Lower Noise Figure Than Competitive Devices Absolute Maximum Ratings at 25°C Parameter Symbol Rating Units Drain-Source Voltage V OS 65 V Gate-Source Voltage V GS 20 V Drain-Source&rent ‘OS 4’ A Power Dissipation P, 116 w
1 JunctionTemperature 1 T, ( 200 I “C I
T ST0 -55 to +150 “C 8 JC 1.52 “C/w 1 F I 6.22 I 6.48 1 a245 I .2X5 I 1 K I l.18 I 203 I .070 I x180 I v2.00 Electrical Characteristics at 25°C * Per Side Specificatms Subject to Change Without Notice. M/A-COM, Inc. North America: Tel. (800) 366-2266 H Asia/Pacific: Tel. +81 (03) 3226-1671 Fax (800) 618-8883 Fax +81 (03) 3226-1451 m Europe: Tel. +44 (1344) 869 595 Fax +44 (1344) 300 020
RF MOSFET Power Transistor, 4OW, 28V U F2840G v2.00 Typical Broadband Performance Curves GAIN vs FREQUENCY EFFICIENCY vs FREQUENCY 65 . " 3 $ 60 . 0 ii :: 55 - 100 200 300 400 500 100 200 300 400 500 FREQUENCY (MHz) FREQUENCY (%) POWER OUTPUT vs POWER INPUT V,,=28 V I,,=500 mA 0.25 0.5 1 2 2.5 POWER INPUT (W) Specifications Subject to Change Without Notice. M/A-COM, Inc. North America: Tel. (800) 366-2266 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, 4OW, 28V U F2840G v2.00 Typical Device Impedance Frequency (MHz) 100 200 300 Z,, (OHMS) Z LOAD (OHMS) 6.0 - j 20.0 25.0 + j 27.0 3.5 -j 11.5 16.5 + j 19.5 2.5 - j 5.5 13.0 + j 13.0 I 400 1 3.0 + j 0.0 1 12.O+j9.0 I I 500 ( 4.0 + j 3.0 1 12.O+j5.0 1, V,,=28 V, I,,=500 mA, P,,,=40.0 Watts Z,, is the series equivalent input impedance of the device from gate to gate. Z LOAD is the optimum series equivalent load impedance as measured from drain to ground. RF Test Fixture VDS - 28 VOLTS MIA-COM, Inc. North America: IDQ = 500r'A VGS Ll +VDD I cgIL Cl0 - - - - - - - - Rf+$yFg I QlB - PARTS LIST Cl,C3 CZ C4,C5,C6, c9, CL? Cl0 Cl1 Cl3 Cl4 Ll LZ,L3 Rl,RZ Tl Ql BOARD CAPACITOR 1SpF CAPACITOR 7pF CHIP CAPACITOR 62.0pF ATC CHIP CAPACITOR 9.lpF ATC CAPACITOR 1000pF TRIWER CAPACITOR t-500pF CAPACITOR ATC 5BopF MONOLITHIC CERAMIC CAPACITOR 0.luF ELECTROLYTIC CAPACITOR 50uF 50 V. 4 TURNS OF NO. 22 AWG ON '0.35" 6 TURNS OF NO. 22 AWG ON '0.35" 8 TURNS OF NO. 22 AWG ON R3 RESISTOR 12K OHMS 0.25 WATT RESISTOR 33 OHMS 3 WA-ITS 50 OHM SEMI-RIGID COAX 2.1" X '0.085" 25 OHM SEMI-RIGID COAX 2X 2.3" X '0.070" 25 OHM SEMI-RIGID COAX 3.3" X '0.070" UF2840G FR4 0.062" Specifications Subject to Change Without Notice. Tel. (800) 366-2266 m Asia/Pacific: Tel. +81 (03) 3226-1671 m Europe: Tel. +44 (1344) 869 595 Fax (800) 618-8883 Fax +81 (03)3226-1451 Fax +44(1344)300 020