A 1.6 W power amplifier module at 24 GHz using new waveguide-based power combining structures

Author

Jinho Jeong ; Youngwoo Kwon ; Sunyoung Lee ; Changyul Cheon ; Sovero, E.A.

Author_Institution

Sch. of Electr. Eng., Seoul Nat. Univ., South Korea

Volume

2

fYear

2000

fDate

11-16 June 2000

Firstpage

817

Abstract

A 1.6 W power amplifier module was developed at 24 GHz using a waveguide-based power combiner. The combiner is based on a double antipodal finline-to-microstrip transition structure which also serves as a two-way power combiner. Back-to-back connected combiner showed insertion losses less than 0.6 dB and return losses better than 17 dB over most of the Ka-band. The power combiner was employed to combine the output powers of two 1 W MMIC PAs. The power module showed 32.2 dBm output power including the loss of transition and a combining efficiency of 83%.

Keywords

MMIC power amplifiers; fin line components; losses; microstrip components; power combiners; strip line transitions; 1.6 W; 24 GHz; 83 percent; Ka-band; MMIC PAs; back-to-back connected combiner; combining efficiency; double antipodal finline-to-microstrip transition structure; insertion losses; output power; power amplifier module; return losses; waveguide-based power combining structures; Bandwidth; Dielectric substrates; Finline; Impedance; MMICs; Multichip modules; Power amplifiers; Power combiners; Power generation; Waveguide transitions;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Symposium Digest. 2000 IEEE MTT-S International

Conference_Location

Boston, MA, USA

ISSN

0149-645X

Print_ISBN

0-7803-5687-X

Type

conf

DOI

10.1109/MWSYM.2000.863306

Filename

863306