Title :
A novel power combiner for MIC and MMIC amplifiers
Author :
Ezzeddine, A.K. ; Hung, H.-L.A.
Author_Institution :
COMSAT Lab., Clarksburg, MD, USA
Abstract :
A novel power-combining technique using a dual-ridged structure in a rectangular waveguide is described. The compactness of this combiner makes it especially suitable for high-power microwave integrated circuit (MIC) or monolithic MIC (MMIC) amplifier applications. Four-wave combiner-dividers fabricated at X- and Ku-bands exhibited an insertion loss of less than 0.1 dB (combining efficiency of 98%) and a return loss of better than 20 dB. An MIC power amplifier was designed for the 14-14.5-GHz communications band to demonstrate a potential application for this combiner.<>
Keywords :
MMIC; microwave amplifiers; microwave integrated circuits; power amplifiers; rectangular waveguides; waveguide components; 0.1 dB; 14 to 14.5 GHz; 98 percent; Ku-band; MMIC amplifiers; SHF; X-band; dual-ridged structure; four-wave combiner-dividers; high power MIC; microwave integrated circuit; monolithic MIC; power amplifier; power combiner; rectangular waveguide; Application specific integrated circuits; High power amplifiers; Insertion loss; MMICs; Microwave amplifiers; Microwave integrated circuits; Monolithic integrated circuits; Power amplifiers; Power combiners; Rectangular waveguides;
Conference_Titel :
Microwave Symposium Digest, 1990., IEEE MTT-S International
Conference_Location :
Dallas, TX
DOI :
10.1109/MWSYM.1990.99623
