Foundations for Microstrip Circuit Design

Please cite this article as: Muhammad Y. Sandhu,IanC.Hunter,NigelS.Roberts,Development of an open-ended microstrip stub apparatus and technique for the dielectric characterization of powders, Powder Technology (2016Technology ( ), doi: 10.1016Technology ( /j.powtec.2016 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. A C C E P T E D M A N U S C R I P T ACCEPTED MANUSCRIPT AbstractA new apparatus and method to characterize the complex dielectric permittivity of powders is described. The complex permittivity of a range of detergent powder agglomerates with different moisture levels, at ambient and elevated temperatures, has been determined using this technique. Results are consistent with A C C E P T E D M A N U S C R I P T ACCEPTED MANUSCRIPT2 predictions of how the water interacts with the different components of the detergent particles at these different conditions.

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“…The capacitive reactance due to fringing capacitance can be calculated as [19] Where, is the capacitance due to fringing fields.…”

Section: Wherementioning

confidence: 99%

Development of an open-ended microstrip stub apparatus and technique for the dielectric characterization of powders

2016

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“…This problem can be solved up to a fine extent by using a slot in the ground plane. The slot in the ground plane helps to couple more power to the patch [13]. The size of the slot can be used for impedance matching.…”

Section: Related Workmentioning

confidence: 99%

“…Excitation of patch occurs principally through the coupling of the feed current Jz to the Ez field of the patch mode. Coupling constant can be obtained as: Where L is the resonant length of the patch and xo is the offset of the feed point from the patch edge equation (13) shows that coupling is maximum for a feed located at a radiating edge of the patch (xo = 0 or L) . Resulting impedance can be made by an equivalent circuit as shown in figure 1.…”

Section: B1 Coaxial Probe Feedmentioning

confidence: 99%

“…All of the U-slot, L-probe, and T-probe patch antennas are of the single-layer single-patch type; with smaller volume but larger bandwidth than the design utilize parasitic patches with a coax feed, which rarely exceeds 20%. Recently, those bandwidth enhancement systems pointed out above were engaged to the short-circuited patch antennas to comprehend a wide impedance bandwidth [12][13][14]. An impedance bandwidth of 30% was achieved using two stacked shorted patches [12].…”

Section: Related Workmentioning

confidence: 99%

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A Survey on Patch Antenna Bandwidth Enhancement through Feed Techniques and Novel Proximity Slot Coupling Approach

Singh¹,

Bhargav²

2015

IJAREEIE

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Many applications of micro strip antenna are constricted by their innate narrow bandwidth. In this paper a survey on the different feeding technique, which are micro strip line feed, coaxial plane feed, proximity coupled feed and aperture couple feed, for wireless micro strip antenna is done. Micro strip line and coaxial probe feeds are contacting scheme, in which RF power directly to the radiating patch. Proximity and Aperture coupled feeds are non contacting schemes, in which electromagnetic field coupling is done to transfer power between the micro strip line and the radiating patch. In this paper, a new approach is projected to design inset feed micro strip antenna with slots in it to develop the antenna bandwidth. The input impedance matching method for antenna is predominantly vital for a feed technique. The design of slotted micro strip antenna on a substrate of thickness 11mm that give wideband features is based on embedding an inset look analogous proximity L shape feed to improve bandwidth. The Method of Moments (MOM) base IE3D software with the method of moment (MOM) ensemble has been used to in the circular patch performance comparison for the improvement of the impedance bandwidth and the power radiated with slots on the same physical dimensions.

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“…terminal, base and satellite. Conventional WPDs are single band power dividers that use a quarter wave transmission line to perform the required operation of power division [3]. However, with the growth of modern communication systems and crowding in operational frequency bands, the demand for multi-band devices have considerably increased for the dual band power dividers that have come into practice.…”

Section: Introductionmentioning

confidence: 99%

Design and EM Analysis of Dual Band Hilbert Curve Based Wilkinson Power Divider

Kaur¹,

Singh²,

Malhotra³

2016

Transactions on Electrical and Electronic Materials

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In this paper, two configurations (T-type and Y-type) of dual band Wilkinson Power Divider based upon Hilbert curves are presented. Formerly, the concept of Hilbert Curves was implemented in only designing microstrip antennas. In power dividers, this is the very first attempt of incorporating them for size reduction. In addition to this, an effect of inculcation of high-dielectric constant layer (Hafnium-oxide, HfO 2 , ε r = 25) between a substrate and top metallization in both configurations was investigated. The proposed configurations are designed on a high resistive silicon substrate (HRS) for L and S bands with resonating frequencies of 1.575 and 3.4 GHz. Both configurations have return loss that is better than 20 dB and an insertion loss of around 6 dB; isolation better than 30 dB was achieved for both models.

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Foundations for Microstrip Circuit Design

Cited by 175 publications

References 0 publications

Development of an open-ended microstrip stub apparatus and technique for the dielectric characterization of powders

Development of an open-ended microstrip stub apparatus and technique for the dielectric characterization of powders

A Survey on Patch Antenna Bandwidth Enhancement through Feed Techniques and Novel Proximity Slot Coupling Approach

Design and EM Analysis of Dual Band Hilbert Curve Based Wilkinson Power Divider

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