Dual-band bandpass filter with independently tunable center frequencies and bandwidths

G Chaudhary, Y Jeong, J Lim - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
This paper presents a novel approach to the design of tunable dual-band bandpass filter
(BPF) with independently tunable passband center frequencies and bandwidths. The newly …

Continuously tunable 0.55–1.9-GHz bandpass filter with a constant bandwidth using switchable varactor-tuned resonators

F Lin, M Rais-Zadeh - IEEE Transactions on Microwave Theory …, 2016 - ieeexplore.ieee.org
This paper reports on tunable 2-and 3-pole bandpass filters with a wide frequency tuning
range (tuning ratio> 3) and a constant bandwidth using switchable varactor-tuned …

A tunable dual-band bandpass-to-bandstop filter using pin diodes and varactors

FC Chen, RS Li, JP Chen - IEEE Access, 2018 - ieeexplore.ieee.org
In this paper, a tunable dual-band bandpass-to-bandstop filter and its analysis are
proposed. The bandpass-to-bandstop transformation could be obtained by changing the …

A frequency independently tunable dual-band bandpass filter with large frequency ratio and ultra-wide stopband

WS Tang, SY Zheng, YM Pan… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
To meet the demand for simultaneously supporting the microwave and millimeter-wave
technologies in emerging industrial wireless systems, research on dual-band components …

Tunable bandpass filter with independently controllable dual passbands

X Huang, L Zhu, Q Feng, Q Xiang… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
This paper presents a two-pole dual-band tunable bandpass filter (BPF) with independently
controllable dual passbands based on a novel tunable dual-mode resonator. This resonator …

Novel dual-band bandpass filter and reconfigurable filters using lumped-element dual-resonance resonators

J Xu, W Wu, G Wei - IEEE Transactions on Microwave Theory …, 2016 - ieeexplore.ieee.org
In this paper, a lumped-element dual-resonance resonator (LE-DRR) is proposed to design
dual-band bandpass filter (DB-BPF) and reconfigurable filters. Two resonant modes of …

Varactor tuned dual-band bandpass filter with independently tunable band positions

B Pal, MK Mandal, S Dwari - IEEE Microwave and Wireless …, 2019 - ieeexplore.ieee.org
A dual-band bandpass filter with different even-mode and odd-mode resonant paths is
presented. The band position can be tuned independently. The basic filter structure is a stub …

Three-pole 1.3–2.4-GHz diplexer and 1.1–2.45-GHz dual-band filter with common resonator topology and flexible tuning capabilities

T Yang, GM Rebeiz - IEEE Transactions on Microwave Theory …, 2013 - ieeexplore.ieee.org
In this paper, a third-order tunable diplexer and a third-order tunable dual-band bandpass
filter with flexible tuning capabilities and high selectivity are proposed. Both the diplexer and …

Novel frequency-agile bandpass filter with wide tuning range and spurious suppression

JX Chen, Y Ma, J Cai, LH Zhou… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
A new frequency-agile scheme for the loaded stepped-impedance resonator (SIR) is
introduced, which can be employed for designing a wideband tunable bandpass filter (BPF) …

Varactor Based Continuously Tunable Microstrip Bandpass Filters: A Review, Issues and Future Trends

M Qin, Z Li, Z Ren, P Liu, L Liao, X Qiu, Z Li - IEEE Access, 2024 - ieeexplore.ieee.org
Electronically tuned bandpass filters are crucial frequency-selective devices in tunable RF
front-ends and are extensively utilized in the fields of communications and sensing. For low …