Slot antenna resonant frequency formula

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Design And Analysis Of Compact U Slot Microstrip Patch Antenna For ...

Microstrip Patch Antenna Designing at 2.4 GHz Frequency The figure-5 below shows the Voltage Standing Wave Ratio (VSWR) versus frequency graph of the designed antenna. The VSWR is minimum (equal to 1.1886031) at 2.4 GHz. In this paper a microstrip patch antenna is successfully designed at a resonant frequency of 2.4 GHz. The antenna shows a healthy gain if 8.27 dB. The Basics of Patch Antennas, Updated - Orban Microwave This means that there are two points where the impedance is 50 Ω somewhere along the resonant length (x) axis of the element and this is where you would typically connect to the antenna. The possibility to connect to the patch at other impedance points is quite useful and impedances up to 200 Ω are common.

Multi-Band Circularly Polarized Slot Antenna for ... radiu of each circular slot, the resonant frequency of the antenna can be tuned to ... resonant frequency that can be determined approximately by the following formula ...

Resonant Length Formulations for Dual Band Slot Cut ... Formulation of Resonant Length for Slot Cut ETMSA. The resonance frequency of ETMSA depends upon the effective side length (S e) [ 1 ]. To formulate f 1 (modified TM 10 mode) for pair of slots cut ETMSA, S e is modified with respect to the l and the resonance frequency is calculated by using Equations (7) to (12). Slot Microstrip Antenna for 2.4GHz RFID Reader Application respectively. By using the strip and slot, the proposed antenna deals properly with frequency shift for real application when embedded inside a handheld reader. V. CONCLUSION Thus the slot microstrip antenna was designed.The antenna shows good performance at 2.4GHz. Antenna gain, directivity, efficiency and return loss are measured.

Where h is the height and W as mention above is the patch width. Antenna with resonating frequency of 4.5GHz is designed by calculating patch dimensions.

Design of Modified Bowtie Antenna for Wireless Applications

Slot Antennas -

Index Terms- IE3D, Microstrip line, Microstrip Slot Antenna (MSA), Multiband, Resonant Frequency. I. INTRODUCTION Microstrip patch antennas are low profile, conformable to planar and non planar surfaces, simple and less expensive in manufacturing using modern printed circuit technology. Design of Modified Bowtie Antenna for Wireless Applications An empirical formula of resonant frequency of bow-tie antennas is presented, which is based on the cavity model of microstrip patch antennas as in [2]. A procedure to design a bow-tic antenna using generic algorithm (GA) in whichthe formula is taken as a fitness function is also given. An optimized bow-tic antenna by genetic algorithm is measured. Numerical and experimental results are used to validate the formula and GA. The design formulae of a bow-tie patch, for the dominant TM. 10 mode ... Chapter 8 Slot Antennas - ductance, susceptance, resistance, reactance, and resonant frequency of broad-wall slots. The types of slots and the equivalent networks are given in Chapter 9. Dielectric-covered broad-wall slots also have been characterized thoroughly. Microstrip Patch Antenna Calculator