Title :
140GHz 8-way power combing module
Author :
Xiaoke Kang ; Xianjin Deng ; Peng Cheng ; Juan Su ; Jun Jiang ; Jiang Zhang
Author_Institution :
Inst. of Electron. Eng., Mianyang, China
Abstract :
A compact 140GHz 8-way power combing module is described using compositing integrated structure. For a unit of radial power combing, the width of the module subjects to severe limitations. We develop a step-by-step design procedure, including waveguide T-junction, hybrid based on waveguide directional coupler and distorted T-junction. For purpose of improving the gain of the module, a driving amplifier is integrated. A waveguide-to-microstrip transition of coplanar waveguide (CPW) is used for feed-in microwave monolithic integrated circuit (MMIC) based on SiGe BiCMOS technology. The proposed module achieves high efficiency of 85% in 130GHz~150GHz, which is excellent agreement with measurement. It is easier fabricated and suitable for high power combing.
Keywords :
Ge-Si alloys; coplanar waveguides; microstrip transitions; millimetre wave directional couplers; power combiners; waveguide couplers; 8-way power combing module; CPW; coplanar waveguide; distorted T-junction; driving amplifier; feed-in MMIC; feed-in microwave monolithic integrated circuit; frequency 130 GHz to 150 GHz; integrated structure; radial power combing; silicon germanium BiCMOS technology; waveguide T-junction; waveguide directional coupler; waveguide-to-microstrip transition; Bonding; Coplanar waveguides; MMICs; Power amplifiers; Probes; Silicon germanium; Waveguide transitions;
Conference_Titel :
Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2014 39th International Conference on
Conference_Location :
Tucson, AZ
DOI :
10.1109/IRMMW-THz.2014.6956351
