Design of Compact Microstrip U Shape Bandpass Filter Using Via Ground Holes

Darwis, Fajri; Santiko, Arief Budi; Susanti, Novita Dwi

doi:10.12928/telkomnika.v14i1.2296

Cited by 3 publications

(2 citation statements)

References 6 publications

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“…They are conditioned by the filter topologies used, the type of channel connection between them, the contiguity of the channels or the bandwidth of the circuit. As regards the topology of the filters, various conventional filter topologies are usable such as those with coupled lines, stubs in short circuit, open-circuit stubs and so on [19][20][21][22][23].…”

Section: Introductionmentioning

confidence: 99%

A new configuration of a printed diplexer designed for DCS and ISM bands

Setti¹,

Zbitou

Hamichi³

et al. 2019

TELKOMNIKA

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This work presents a new study on the design of a microstrip diplexer configuration optimized and validated for ISM and DCS frequency bands. The achieved structure is based on microstrip technology, the goal was to design two printed bandpass filters one for ISM band and the other one for DCS frequency band.The two microstrip filters are associated by using a T-junction which permits to validate a diplexer in the frequency bands and . The whole size of the final circuit is 130x50 mm2. After the validation of the proposed diplexer into simulation we have fabricated and tested it by using VNA which permits to have a good agremment between simulation and measurements.

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Section: Introductionmentioning

confidence: 99%

A new configuration of a printed diplexer designed for DCS and ISM bands

Setti¹,

Zbitou

Hamichi³

et al. 2019

TELKOMNIKA

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show abstract

“…Controlling the transmission zero position is very important to researchers in preventing interference with adjacent frequency bands.Various techniques have been used to make bandpass filter suit modern communication characteristics [1][2][3][4][5][6][7][8][9][10][11][12][13][14]. A fixed frequency open ended tapped stub with good selectivity is shown in [1] and [2].Bandpass filters using a tuned tapped stub with a varactor to yield reconfigurable transmission zeros and tunable frequency range is presented in [3,4].…”

Section: Introductionmentioning

confidence: 99%

A Compact Bandpass Filter Using A T-Shaped Loaded Open-ended Stub Resonator

Obadiah¹,

Hamid²,

Rahim³

et al. 2018

IJEECS

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This paper proposes a compact bandpass filter using a loaded open-ended T-shaped stub. The open-ended T-shaped stub is loaded with vertical resonators placed across. The key advantage of using vertical resonators in the design is the simplicity and low insertion loss it provides. The structure used is an open-ended stub attached on one end to the transmission line (λ/2) to form a T-shaped resonator (λ/4) having vertical resonators placed across. The vertical resonator position alters the position at which the transmission zero occurs. A pair of the T-shaped resonator is placed on parallel sides of the feed line. The proposed filter is designed with the aid of Computer Simulation Technology Microwave Studio Software. The proposed concept is verified by designing filters with four different vertical resonator positions. The filter possesses a good rejection and low insertion loss of < 2dB with Chebyshev response. This filter is suited for modern-day communication applications since it shows good rejection of out of band signals.

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