Browsing งานวิจัย (Research) by Author "Suphanan Phobtrakul"

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Affect performance of circuit design Coupled Microstrip on coplanar strip lines

Jetwara Tangjit; Suphanan Phobtrakul (มหาวิทยาลัยเทคโนโลยีราชมงคลรัตนโกสินทร์, 2016-09)

This research studies the effect on performances of power divider designed for a transmission line technology by using a coplanar microstrip. The proposed circuit design has good response with compact size. The presented ...
Perception of Students toward applying the Sufficiency Economy Philosophy to Alleviate the Lavish Habit: A Case Study of then Rajamangala University of Technology Rattanakosin’s Students

Jiraporn Kiatwuthiamorn; Suphanan Phobtrakul (Rajamangala University Of Technology Rattanakosin, 2012)

This is a survey research, samples composed of students from RMUTR totally 90 students, Bachelor Degree level. Questionnaires are used as the instrument. Findings indicate the following : Majority of students, are male, ...