Comments on: Design and implementation of second‐order microwave integrators

Gupta, Mridul; Upadhyay, Dharmendra Kumar

doi:10.1002/mop.30996

Cited by 2 publications

(2 citation statements)

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“…Although, it is seen that many researchers are constantly working on design and implementation of integer-order microwave integrators for more than a decade. First-order microwave integrator designs were proposed using chain-scattering parameters of equal-length transmission line elements [23][24][25][26][27]. Accuracy of these integer-order designs in terms of magnitude error performance is compared with that of the proposed FOMI.…”

Section: Comparisonmentioning

confidence: 99%

“…Three different models for controlling the time constant of a microwave integrator were proposed to characterize its performance [24]. By applying the interpolation between Simpson and trapezoidal rule integrators in Z-domain, a microwave integrator was obtained and implemented in a microstrip format [25], [26]. First-order microwave integrator for interference suppression in RF circuits was implemented by Tsai [27], which exhibited an operating frequency range of 1.45 GHz to 6 GHz.…”

Section: Introductionmentioning

confidence: 99%

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Design and Implementation of Fractional-Order Microwave Integrator

Gupta¹,

Upadhyay²

2019

RADIOENGINEERING

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A novel design of fractional-order microwave integrator using shunt connected open-stubs with transmission line sections in cascade is proposed. Design is obtained by optimizing the L 1-norm based error function in Z-domain having not more than absolute magnitude error value of 0.01. Optimization is done using nature inspired cuckoo search algorithm. Superiority of the design in terms of magnitude error performance is identified by comparing it with the results obtained from some widely used benchmark optimization algorithms. The obtained design is implemented on a RT/Duroid 5880 substrate having 20 mil thickness, and results for the measured magnitude response are found to be in good agreement with ideal one over the frequency range of 1.0 GHz to 6.8 GHz.

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