Design, Analysis, and Equivalent Circuit Modeling of Dual Band PIFA Using a Stub for Performance Enhancement

Yousaf, Jawad; Jung, Hojin; Kim, Kwang‐Ho; Nah, Wansoo

doi:10.5515/jkiees.2016.16.3.169

Cited by 24 publications

(12 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The size of the probe should be moderate (around 15 cm to 20 cm) and to be handy for being used in the proposed NFIT setup. Among the many types of E-field antennas [12][13][14][15][16][17][18][19] L-probe fed circular patch antenna (for brevity onward as L-probe antenna) was chosen because of its relatively simpler geometry, small size, and wideband characteristics [20,21]. The L-probe antenna used in this study is an enhanced version of monopolar wire patch antenna [14,15,20,22] which broadens its bandwidth.…”

Section: Design and Simulationmentioning

confidence: 99%

Near-Field Immunity Test Method for Fast Radiated Immunity Test Debugging of Automotive Electronics

et al. 2019

Self Cite

View full text Add to dashboard Cite

This study presents a near-field immunity test (NFIT) method for the fast debugging of radiated susceptibility of industrial devices. The proposed approach is based on the development of an NFIT setup which comprises of developed near-field electric and magnetic field probes and device under test (DUT). The developed small-size and handy near-field testing probes inject the high electric (up to 1000 V/m) and magnetic (up to 2.4 A/m) fields on the DUT in the radar pulse ranges (1.2 to 1.4 GHz and 2.7 to 3.1 GHz) with the lower fed input power (up to 15 W) from the power amplifier in the developed NFIT setup. The proof of concept is validated with the successful near-field immunity debugging of an electric power steering (EPS) device used in the automotive industry with the developed NFIT setup. The radiated susceptibility debugging test results of developed NFIT method and conventional method of ISO 11452-2 test setup turned out to be close to each other for the tested DUT in immunity performance. The proposed procedure has advantages of industry usefulness with fast, handy, and cost-effective radiated immunity debugging of the DUT without the requirement of large antenna, high-power amplifiers, optical DUT connecting harness, and an anechoic chamber as needed in ISO 11452-2 standard setup for the debugging analysis.

show abstract

Section: Design and Simulationmentioning

confidence: 99%

Near-Field Immunity Test Method for Fast Radiated Immunity Test Debugging of Automotive Electronics

et al. 2019

Self Cite

View full text Add to dashboard Cite

show abstract

“…First of all, the conventional PIFA is designed to resonate at 900 MHz using ANSYS high frequency structure simulator (HFSS), as shown in Figure 1 [ 19 , 20 ]. The FR-4 board (size: 44 × 82 mm 2 , thickness: 1.6 mm) is used as the antenna substrate.…”

Section: Design Of Pifa and Microfluidic Impedance Tunermentioning

confidence: 99%

Planar Inverted-F Antenna (PIFA) Using Microfluidic Impedance Tuner

Lee

Lim

2018

Sensors

View full text Add to dashboard Cite

This paper proposes a microfluidic impedance tuner that is applied to a planar inverted-F antenna (PIFA). The proposed microfluidic impedance tuner is designed while using a simple double-stub and the impedance is changed by tuning the stub length. In this work, the stub length can be tuned by injecting a liquid metal alloy to the microfluidic channels. Initially, the PIFA operates at 900 MHz with impedance matching of 50 Ω. The impedance is mismatched when a hand is placed close to the antenna. The mismatched impedance is matched to 50 Ω by injecting the liquid metal alloy. The antenna is fabricated on the FR-4 substrate, and the impedance tuner is fabricated on polydimethylsiloxane (PDMS). In order to inject the liquid metal alloy, a piezoelectric micropump and microprocessor are used in the measurement. At 900 MHz, the return loss is successfully tuned from 4.69 dB to 18.4 dB when a hand is placed 1 mm above the antenna.

show abstract

“…A monopole‐like radiation pattern is achieved because of vertical shorting vias and a circular patch, as this combination provides a horizontal magnetic current distribution. According to the duality theorem, a horizontal magnetic current source is equivalent to an electric current source in a vertical configuration . Therefore, a vertical monopole‐like radiation pattern is achieved in a planar structure.…”

Section: Antenna Designmentioning

confidence: 99%

Planar quasi‐isotropic antenna for drone communication

Shah

Tentzeris

Lim

2018

Micro & Optical Tech Letters

View full text Add to dashboard Cite

In this article, a planar antenna with quasi‐isotropic radiation pattern is proposed for applications in drone communication. The proposed antenna consists of top‐loaded monopole and slotted loop antennas. The top‐loaded monopole provides a monopole‐like radiation pattern with a planar profile. To compensate for nulls in the monopole radiation pattern, a slotted loop antenna is added. Therefore, when two radiation patterns are combined, a quasi‐isotropic pattern is achieved with a low profile thickness of 7.2 mm. The performance of the proposed antenna is verified by simulation and experimental results. The antenna's 10‐dB impedance bandwidth is in the range of 2–2.4 GHz. The quasi‐isotropic radiation pattern is verified from both simulation and measured results.

show abstract

Design, Analysis, and Equivalent Circuit Modeling of Dual Band PIFA Using a Stub for Performance Enhancement

Cited by 24 publications

References 28 publications

Near-Field Immunity Test Method for Fast Radiated Immunity Test Debugging of Automotive Electronics

Near-Field Immunity Test Method for Fast Radiated Immunity Test Debugging of Automotive Electronics

Planar Inverted-F Antenna (PIFA) Using Microfluidic Impedance Tuner

Planar quasi‐isotropic antenna for drone communication

Contact Info

Product

Resources

About