Power recycling concept applied to distributed amplification

A novel distributed amplifier structure based on a power recycling scheme is proposed. It allows the amplifier gain to be enhanced while providing optimum output power and a perfect input match within a moderate bandwidth. The ideal performance of this novel distributed amplifier, called the power r...

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Bibliographic Details
Published in:IET microwaves, antennas & propagation antennas & propagation, 2013-12, Vol.7 (15), p.1207-1214
Main Authors: Ng-Molina, Francisco Y, Martín-Guerrero, Teresa M, Camacho-Peñalosa, Carlos
Format: Article
Language:English
Subjects:
Amplification
Amplifiers
Applied sciences
Circuit properties
class‐A active power combiner
distributed amplification
distributed amplifier
distributed amplifiers
Electric, optical and optoelectronic circuits
Electronic circuits
Electronic equipment and fabrication. Passive components, printed wiring boards, connectics
Electronics
Exact sciences and technology
moderate bandwidth
power amplifiers
power combiners
power recycling concept
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Summary:A novel distributed amplifier structure based on a power recycling scheme is proposed. It allows the amplifier gain to be enhanced while providing optimum output power and a perfect input match within a moderate bandwidth. The ideal performance of this novel distributed amplifier, called the power recycling distributed amplifier, is analysed. Limitations introduced by mismatch and losses in the gate line have also been assessed. A prototype of such an amplifier has been designed, manufactured and measured. The experimental results demonstrate its viability as an optimum class-A active power combiner with enhanced gain and excellent input match.
ISSN:1751-8725
1751-8733
1751-8733
DOI:10.1049/iet-map.2013.0160