Linearity-optimized power tracking GaN HEMT Doherty amplifier using derivative superposition technique for repeater systems

IEEE MTT-S International Microwave Symposium Digest

Volumn , Issue , 2008, Pages 427-430

  Lee, Yong Sub ^a   Lee, Mun Woo ^a   Jeong, Yoon Ha ^a  

^a Pohang University of Science and Technology (POSTECH)   (South Korea)

Author keywords

Doherty power amplifier (DPA); Drain bias; Efficiency; Gallium Nitride (GaN); Linearity; Power tracking

Indexed keywords

CIVIL AVIATION; ELECTRON MOBILITY; ELECTRONIC CIRCUIT TRACKING; GALLIUM ALLOYS; GALLIUM COMPOUNDS; GALLIUM NITRIDE; HIGH ELECTRON MOBILITY TRANSISTORS; LINEARIZATION; MICROWAVES; NITRIDES; POWER AMPLIFIERS; SEMICONDUCTING GALLIUM;

ADJACENT CHANNEL LEAKAGE RATIOS; AND GATES; DOHERTY AMPLIFIERS; DOHERTY POWER AMPLIFIER (DPA); DOHERTY POWER AMPLIFIERS; DRAIN BIAS; DRAIN BIASES; EXPERIMENTAL VALIDATIONS; GAN HEMT; GATE BIASES; HIGH ELECTRON MOBILITIES; LINEARITY; LINEARIZATION TECHNIQUES; PEAK ENVELOPE POWERS; POWER TRACKING; SUPERPOSITION TECHNIQUES; SUPPLY CIRCUITS; WCDMA SIGNALS;

BROADBAND AMPLIFIERS;

EID: 57349092193     PISSN: 0149645X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/MWSYM.2008.4633194     Document Type: Conference Paper

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