3-Element Microstrip Yagi-Array Rectifier Antenna (RECTENNA) for Receiving Digital Television Signals on Ultra High Frequency Channels

International Journal of Electrical and Electronics Engineering
© 2026 by SSRG - IJEEE Journal
Volume 13 Issue 3
Year of Publication : 2026
Authors : Nasrul, Popy Maria, Afrizal Yuhanef, Yusrina
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Nasrul, Popy Maria, Afrizal Yuhanef, Yusrina, "3-Element Microstrip Yagi-Array Rectifier Antenna (RECTENNA) for Receiving Digital Television Signals on Ultra High Frequency Channels," SSRG International Journal of Electrical and Electronics Engineering, vol. 13,  no. 3, pp. 51-61, 2026. Crossref, https://doi.org/10.14445/23488379/IJEEE-V13I3P105

Abstract:

This study examines the need for efficient Radio Frequency (RF) energy harvesting as a renewable alternative energy source. This study's main objectives are to design, produce, and test a rectenna system that combines a seven-stage voltage multiplier rectifier with a microstrip Yagi-Uda three-element antenna. The purpose of the rectenna is to transform received radio frequency energy into DC power that may be used by low-power electronic equipment. Experiments in the form of circuit design using NI Multisim, antenna design using CST Studio Suite, fabrication, and testing are all part of the study technique. With particular goals for strength (≥ 5 dBi), VSWR (1 < VSWR ≤ 2), and return loss (<- -10 dB), the antenna is made to receive signals in the Ultra-High Frequency (UHF) band. Schottky diodes, which are perfect for converting RF frequencies to DC because of their low forward voltage and quick switching speed, are used in the rectifier. The antenna's efficacy has been validated through both simulation and experimental outcomes. These results indicate a return loss less than -10 dB, a Voltage Standing Wave Ratio (VSWR) ranging from 1.1 to 1.8, and a gain exceeding 5 dBi, all of which signify acceptable signal integrity and impedance alignment. Investigations into the reception of digital television broadcasts, coupled with laboratory assessments, revealed that the rectenna functions effectively at varying proximities to the radio frequency emitter, generating a direct current output whose voltage escalates with increased input power. The system achieves its peak output of 1.696 V at a distance of 1 kilometer from the Digital Terrestrial Television (DTV) transmitter and 1.80 V when situated 25 centimeters away with an input power of 20 dBm. The system's capacity to energize Light-Emitting Diodes (LEDs) as a load underscores its potential for powering low-consumption apparatus.

Keywords:

Rectenna, Antenna, Rectifier, Voltage Multiplier.

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