Optimization of microstrip filters tolerances

Krischuk, V.; Farafonov, A. Yu.; Shilo, Galina; Gaponenko, N. P.

doi:10.1109/cadsm.2003.1255050

Cited by 3 publications

(1 citation statement)

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“…But in the values of distributed parameters obtained after end corrections gave the results very close to the desire results. Thereafter to get the exact results, the designed was optimized [9] and it showed that by decreasing the inductance and corresponding length shifted the frequency to the right. The results obtained by Micro strip simulation arealmost same with fabricated device, while the measured results showed a slight shift in cut-off frequency due to fabrication errors.…”

Section: Discussionmentioning

confidence: 99%

Improvement in Cutoff Frequency of Microstrip Butterworth Low Pass Filter using DGS Technique

Acharjya,

Acharya,

Sahoo

et al. 2019

IJEAT

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This paper presents the design, analysis and fabrication of Butterworth Low pass filter with sharp rejection response using defected ground surface technique. The work is carried out to design a low pass filter with cut-off frequency 2.5 GHz to achieved the broad frequency response; the first step is to make a rectangle of 10x10mm at ground surface and the equivalent circuit for the DGS, subsequently followed to consequent L-C parameters extraction using analysis of S parameters response (EM simulation). The designed Butterworth low pass filter is realized and optimized using DGS (Defected Ground Structure) to attain a compact size, satisfactory transition sharpness along with low insertion loss in pass band and wide rejection in the stop band. The fabricated device showed the good conformity with theoretical and VNA measured result.

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Section: Discussionmentioning

confidence: 99%