Browsing งานวิจัย (Research) by Author "Kunnthphong Srisathit"
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Design and development of circular antenna for FM broadcasting radio
Kunnthphong Srisathit; Pitchanun Wongsiritorn (Rajamangala University Of Technology Rattanakosin, 2018)The report is a planning of create a circular antenna with in radio frequency which applies some knowledge about antenna engineering to build it for learning about the diffraction of waves and parameter in antenna. For ... -
Development and Design of Planar Microwave Ring Filter
Kunnthphong Srisathit (Rajamangala University Of Technology Rattanakosin, 2014)Modern wireless communication system has lead to an increased demand for the products that are higher efficiency, smaller size, and lower cost. Many circuits have continued development, especially, microwave bandpass ... -
A Research and Development of The Detection and Simultaneous Interruption of Communication Devices for a New Central Prison in Nakorn Prathom Province
Kunnthphong Srisathit; Jetwara Tangjit; Sumongkol Patisang; Kiattisak Thongnuangam; Suphanan Phoptrakul (มหาวิทยาลัยเทคโนโลยีราชมงคลรัตนโกสินทร์, 2014-09)This research and development project is about the detection and simultaneous interruption of communication devices for a new central prison in nakorn prathom province. Within the controlled area, the concept of the project ... -
Study and Design of X- Band Triple Loop Frequency Synthesizer for Satellite Communication System
Jetwara Tangjit; Kunnthphong Srisathit; Komkrit Boonying (Rajamangala University Of Technology Rattanakosin, 2018)This research is to study and design of X- band triple loop frequency synthesizer for the satellite communication system. The internal frequency synthesizer consists of three phase-locked loop circuits. The proposed ...