Design of a Hybrid Directional Coupler in Empty Substrate Integrated Waveguide (ESIW)

Fernández, Marcos D.; Ballesteros, José A.; Belenguer, Ángel

doi:10.1109/lmwc.2015.2496803

Cited by 27 publications

(18 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Since the proposition of the ESIW [2], different devices have been designed based on this technology; among them there are filters with high quality factor, either linear [2] or folded [4], couplers [5], [6], antennas [7] or a thru-reflect-line calibration kit [8]. All of them have in common that they are single-layer devices.…”

Section: Introductionmentioning

confidence: 99%

Compact Multilayer Filter in Empty Substrate Integrated Waveguide With Transmission Zeros

Belenguer

Fernández

Ballesteros

et al. 2018

IEEE Trans. Microwave Theory Techn.

Self Cite

View full text Add to dashboard Cite

Empty Substrate Integrated Waveguide has recently received special attention due to the fact that by removing the dielectric, this technology not only maintains the advantages of Substrate Integrated Waveguide circuits, but also improves their behaviour. Many circuits have been designed for Empty Substrate Integrated Waveguide, with several filters of different performance among them. The next challenge is to achieve the maximum possible compactness degree for these circuits. In this paper, we present the design of a multilayer Empty Substrate Integrated filter with the same performance as if it were manufactured in a single layer, but significantly increasing its compactness and mechanical resistance.

show abstract

Section: Introductionmentioning

confidence: 99%

Compact Multilayer Filter in Empty Substrate Integrated Waveguide With Transmission Zeros

Belenguer

Fernández

Ballesteros

et al. 2018

IEEE Trans. Microwave Theory Techn.

Self Cite

View full text Add to dashboard Cite

show abstract

“…In this case the substrate is emptied, metallized, and covered with two metallic layers, so a rectangular waveguide is synthesized within the substrate, and transitions are developed in order to connect to accessing microstrip lines. Coupled cavity filters with very high quality factors Belenguer et al [2014], a calibration kit Fernández Berlanga et al [2015], a horn antenna Mateo et al [2016], and a hybrid directional coupler Fernandez et al [2015] have already been manufactured in ESIW. The next empty SIC that appeared was the hollow substrate integrated waveguide (HSIW) Jin et al [2014], which was manufactured in the low-temperature cofired ceramic (LTCC) technique.…”

Section: 1002/2016rs006181mentioning

confidence: 99%

Empty substrate integrated waveguide technology for E plane high‐frequency and high‐performance circuits

et al. 2017

Self Cite

View full text Add to dashboard Cite

Substrate integrated circuits (SIC) have attracted much attention in the last years because of their great potential of low cost, easy manufacturing, integration in a circuit board, and higher‐quality factor than planar circuits. A first suite of SIC where the waves propagate through dielectric have been first developed, based on the well‐known substrate integrated waveguide (SIW) and related technological implementations. One step further has been made with a new suite of empty substrate integrated waveguides, where the waves propagate through air, thus reducing the associated losses. This is the case of the empty substrate integrated waveguide (ESIW) or the air‐filled substrate integrated waveguide (air‐filled SIW). However, all these SIC are H plane structures, so classical H plane solutions in rectangular waveguides have already been mapped to most of these new SIC. In this paper a novel E plane empty substrate integrated waveguide (ESIW‐E) is presented. This structure allows to easily map classical E plane solutions in rectangular waveguide to this new substrate integrated solution. It is similar to the ESIW, although more layers are needed to build the structure. A wideband transition (covering the frequency range between 33 GHz and 50 GHz) from microstrip to ESIW‐E is designed and manufactured. Measurements are successfully compared with simulation, proving the validity of this new SIC. A broadband high‐frequency phase shifter (for operation from 35 GHz to 47 GHz) is successfully implemented in ESIW‐E, thus proving the good performance of this new SIC in a practical application.

show abstract

“…By removing the inner dielectric and replacing the posts with metallic walls, this technology increases the performance of SIW circuits in terms of losses. Some key radio frequency components have been fabricated in this technology (Fernandez et al, )‐(Morro et al, ). In this paper, a very highly efficient ESIW slotted waveguide antenna, which is suitable for a MIMO radar application (Miralles et al, ), is presented.…”

Section: Introductionmentioning

confidence: 99%

Slotted ESIW Antenna With High Efficiency for a MIMO Radar Sensor

Miralles

Belenguer²,

Mateo³

et al. 2018

Radio Science

View full text Add to dashboard Cite

This paper introduces a slotted empty substrate integrated waveguide (ESIW) antenna for a multiple‐input multiple‐output (MIMO) radar sensor. The proposed system is based on the MIMO radar architecture. Orthogonal signals are sent from the transmitters, in such a manner that a MIMO image reconstruction is possible. The presented system application targets the surveillance of strategic areas in gas pipelines and nuclear plants. ESIW technology enables a high‐efficiency, low‐profile, and compact antenna for these MIMO systems. The fabricated device includes a transition to microstrip line, and, in consequence, the antenna can be integrated with the rest of the system in a standard integrated circuit. The slotted ESIW antenna design and measured results for the targeted application are presented in this paper. The measured results present a gain greater than 15 dBi and return loss below −13 dB over the targeted frequency band of operation (16–16.5 GHz). To the best of the authors' knowledge, this is the first slotted ESIW antenna reported in the scientific literature up to now.

show abstract

Design of a Hybrid Directional Coupler in Empty Substrate Integrated Waveguide (ESIW)

Cited by 27 publications

References 5 publications

Compact Multilayer Filter in Empty Substrate Integrated Waveguide With Transmission Zeros

Compact Multilayer Filter in Empty Substrate Integrated Waveguide With Transmission Zeros

Empty substrate integrated waveguide technology for E plane high‐frequency and high‐performance circuits

Slotted ESIW Antenna With High Efficiency for a MIMO Radar Sensor

Contact Info

Product

Resources

About