[HTML][HTML] Tunable terahertz filter/antenna-sensor using graphene-based metamaterials

M Esfandiyari, A Lalbakhsh, S Jarchi, M Ghaffari-Miab… - Materials & Design, 2022 - Elsevier
In this paper, a novel tunable graphene-based bandstop filter/antenna-sensor is presented.
This structure is an integrated module that can be used to combine filtering and high-gain …

Design and fabrication of a Wilkinson power divider with harmonic suppression for LTE and GSM applications

G Moloudian, S Soltani, S Bahrami, JL Buckley… - Scientific Reports, 2023 - nature.com
Abstract Conventional Wilkinson power dividers (WPDs) can provide acceptable
performance close to the nominal center frequency. However, these WPDs can also exhibit …

MEMS tunable filters based on DGS and waveguide structures: A literature review

SM Mirebrahimi, M Dousti, S Afrang - Analog Integrated Circuits and …, 2021 - Springer
In the last two decades, filters based on defected ground structure (DGS) have been
employed in various radio frequency systems, and there has been a significant growth in …

A Wilkinson power divider with harmonic suppression through low-pass filter for GSM and LTE applications

N Mohammadi, G Moloudian, S Roshani, S Roshani… - Scientific Reports, 2024 - nature.com
Abstract Conventional Wilkinson power dividers (WPDs) perform satisfactorily near the
intended operation frequency. Nonetheless, these WPDs demonstrate subpar performance …

A simplified and efficient approach for designing microstrip bandpass filters: Applications in satellite and 5G communications

L Nouri, L Nkenyereye, MA Hafez, F Hazzazi… - … -International Journal of …, 2024 - Elsevier
The C-band is extensively utilized in aviation radars and satellite communications (Satcom).
Bandpass filters (BPFs) are crucial components in microwave systems operating within this …

Modified Wilkinson power divider with harmonics suppression and compact size for GSM applications

G Moloudian, SR Miri Rostami… - International Journal of …, 2020 - Wiley Online Library
In this article, a modified microstrip Wilkinson power divider with harmonics suppression for
GSM communications applications is presented. For low‐pass filter designing, one open …

Design and fabrication of a microstrip lowpass filter with wide tuning range as harmonic suppression with application in Wilkinson power divider

S Karimi-khorrami, G Moloudian - Analog Integrated Circuits and Signal …, 2021 - Springer
In this article, a tunable lowpass filter (LPF) with a hexagonal stepped impedance resonator
and multi open stubs is designed. The− 3 dB cut-off frequency for the proposed LPF is 2.2 …

Design and fabrication of a miniaturized lowpass-bandpass diplexer with wide tuning range and high isolation

S Rayatzadeh, G Moloudian - Journal of Electromagnetic Waves …, 2019 - Taylor & Francis
In this article, a compact lowpass-bandpass (LP-BP) diplexer with high isolation for wireless
telecommunication applications is presented. The− 3 dB cut-off frequency of the lowpass …

Design and fabrication of a continuous tunable microstrip lowpass filter with wide stopband and sharp response

G Moloudian, S Bahrami - International Journal of RF and …, 2019 - Wiley Online Library
Tunable microstrip lowpass filters (LPFs) with a good performance are used in most
telecommunication systems. In this article, a third‐order circuit with stepped impedance …

A quad‐band defected microstrip structure loaded bandpass filter for standard GPS, WiFi, WLAN, and WiMAX applications

S Shakeri, M Dousti… - International Journal of RF …, 2022 - Wiley Online Library
A quad‐band bandpass filter is proposed using a defected microstrip structure (DMS) for
GPS, WiFi, WLAN, and WiMAX applications. This filter uses a stub‐loaded stepped …