Miniaturized Triband Circular Patch Antenna for X Band, Ku Band and K Band Applications

Singh, Sakshi; Kumar, J. Doondi

doi:10.1109/smart50582.2020.9336807

Cited by 4 publications

(3 citation statements)

References 10 publications

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“…Finally, the coupling between nodes 1 and 4 (M 14 ) is obtained using the normalized admittance of the capacitivelyloaded TL. Since the phase of the capacitively-loaded TL is not exactly 90°at the design frequency, the R-matrix values for node 1, 4 R 11 and R 44 are found using (4), where Y TL11 and Y TL22 are the admittance of the input and output ports of TL-based path, respectively. Having specified the M-and the R-matrix element values of the NRR, its S-parameters can be calculated by ( 5)- (7).…”

Section: Table 1 M-and R-matrix Elementmentioning

confidence: 99%

“…Miniaturized RF transceivers are increasingly needed in wireless and radar communications [1], [2]. While miniaturization has been primarily focused on the antenna interface [3], [4], [5] and the active devices (i.e., low-noise amplifier, power amplifier) [6], [7], [8] of the RF transceiver, their size is often dictated by the off-chip components, such as the circulators, isolators and the RF bandpass filters (BPFs) [9], [10], [11], [12], [13]. Conventional ferrite-based circulators and isolators provide good insertion loss (IL) levels (IL < 1 dB in [9]), wide bandwidth and high isolation (IS) (IS > 50 dB [10]), and do not consume any power.…”

Section: Introductionmentioning

confidence: 99%

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MMIC GaAs Isolators and Quasi-Circulators With Co-Designed RF Filtering Functionality

Ashley

Psychogiou

2023

IEEE J. Microw.

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This paper reports on the RF design and practical development of GaAs MMIC multi-functional RF isolators and quasi-circulators with embedded filtering functionality. They are based on cascaded arrays of non-reciprocal resonators (NRRs), passive resonators, and impedance inverters. A unique transistor-based architecture is used for the realization of the NRR that exhibits an one-pole type bandpass response in the forward direction and RF signal cancellation in the reversed one. By controlling the number and type of resonators within cascaded resonator arrays, different levels of gain, out-of-band selectivity and in-band isolation can be obtained. The operating principles of the multi-functional isolator/filtering and quasi-circulator/filtering concepts are presented through synthesized and linear circuit-simulated examples. Practical design aspects using a commercially available GaAs MMIC process are also discussed. For proofof-concept demonstration purposes, four prototypes were designed and experimentally validated at X-band. They include: i) a NRR, ii) a two-resonator based frequency selective isolator (FSI), iii) a five-resonator based FSI, and iv) a two-pole/two-TZ frequency selective quasi-circulator (FSQC).

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Section: Table 1 M-and R-matrix Elementmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

MMIC GaAs Isolators and Quasi-Circulators With Co-Designed RF Filtering Functionality

Ashley

Psychogiou

2023

IEEE J. Microw.

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“…Various methods have been proposed to obtain X and Ku band applications in the literature. A tribandmicrostrip patch antenna is studied in [1]. Four slots have been made into the patch to allow the antenna to function in tri-band mode.…”

Section: Introductionmentioning

confidence: 99%

Design of Arrow Shaped Microstrip Patch Antenna for X and Ku Band Applications

.D¹,

M²,

P³

et al. 2022

ECS Trans.

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A small size printed patch antenna to cover applications of X and Ku band is suggested in this paper. The suggested antenna consists of an arrow shaped patch on front view of FR 4 substrate and a partial ground on the other side. Initial design started with a rectangular patch of dimensions 10.7 mm x 7 mm. Then it is modified into arrow shaped patch in order to improve the reflection coefficient at lower and higher frequencies.The measurement of the antenna is 12 x 15 x 1.6 mm3. The antenna parameters are optimized using FEM based HFSS software. The operating range of frequencies include from 6.75 GHz to 18.96 GHz. The proposed antenna displays a good omnidirectional radiation pattern and maximum gain of 7.41 dBi at 17 GHz. Simulated S11 parameters, VSWR, gain, and current distributions are offered in this paper, and S11 simulated parameters are in good agreement with measured parameters.

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Design Parameters and Performance Metrics of X-Band Patch Antennas: Insights from Design and Testing

Jeyapoornima,

Sheela

2024

2024 3rd International Conference on Applied Artificial Intelligence and Computing (ICAAIC)

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Miniaturized Triband Circular Patch Antenna for X Band, Ku Band and K Band Applications

Cited by 4 publications

References 10 publications

MMIC GaAs Isolators and Quasi-Circulators With Co-Designed RF Filtering Functionality

MMIC GaAs Isolators and Quasi-Circulators With Co-Designed RF Filtering Functionality

Design of Arrow Shaped Microstrip Patch Antenna for X and Ku Band Applications

Design Parameters and Performance Metrics of X-Band Patch Antennas: Insights from Design and Testing

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