Effect of slot on patch antenna

US3665480A - Annular slot antenna with stripline feed - Google

Design of Compact U-Slot Circular Patch Antenna on RT ... A good antenna might have a value of -10dB return loss as 90 % of the signal is absorbed and 10% is reflected back [10]. The proposed u-slot circular patch antenna is giving the excellent return loss curve in S-band. The curve has deep and wide dip at the center frequency of 3.282GHz.Fig 5 shows the return loss Vs frequency curve. Dual Band Semi Circular Disk Patch Antenna Loaded with L-Shaped Dual Band Semi Circular Disk Patch Antenna Loaded with L-Shaped Slot by cscpj

The effect of slot on reflection coefficient, resonant frequency tuning and antenna size reduction has been investigated in this paper.

Design And Analysis Of Compact U Slot Microstrip Patch Antenna 13 The radiation patterns of an antenna provide the information that describes how the antenna directs the energy it radiates. As stated earlier, an antenna cannot radiate more total energy than is delivered to its input terminals. Antenna radiation patterns Design of Circular Micro strip Patch Antenna with - ijert.org the transmission. Circular Micro strip patch antenna were successfully incorporated with H, U, +, Rectangle & square slots The effect of varying the slot width and slot length were studied under great details with the help of experimental results. The proposed patch yield desirable results throughout the operating frequency range. The Fundamentals of Patch Antenna Design and Performance the two slots in-phase with nearly equal antenna currents. Thus, the patch operates as an array of two slots with a free-space separation somewhat less than λ/2. Maximum radiation is normal to the plane of the patch. Polarization is at right angles to the length of the slots, par-allel to the feedline orientation shown in Fig. 1. A Review- Microstrip Patch Antenna Design number of iterations, size of antenna decreases. By providing a number of slots over the patch, bandwidth is improved of patch antenna. Due to presence of multiple slots, Q factor decreases and value of patch inductance increases. By the decrease in Q factor, the bandwidth (BW) of patch antenna is increased accordingly, Bandwidth, BW [9] = 1 √2

A stripline antenna having a radiating aperture in the form of an annular slot provided in one of its conducting plates and a pair of orthogonal narrow strip conductor feeds disposed between its two conducting plates and terminating under …

Effect of Reflecting Sheet on the Back of Stripline fed ... Effect of Reflecting Sheet on the Back of Stripline fed Slotted Hexagonal Patch Antenna . Riboy Cheriyan. 1 and Dr. K. P. Zacharia2 1 Associate professor, Department of ECE, SAINTGITS College of Engineering, Research Scholar, Anna University, Chennai, riboycheriyan@gmail.com Slot Loaded Square Microstrip Patch Antenna for Dual Band ... Slot Loaded Square Microstrip Patch Antenna for Dual Band Operation. Faria Jaheen1,*, ... microstrip patch antenna with dimension 30 mm × 30 mm. ... The effect of slot on the patch can be analyzed using the duality relationship between the dipole and the slot. The Babinet’s principle [33] of optics is used to Coupling effects of aperture coupled micro strip antenna ... Coupling effects of aperture coupled micro strip antenna using slot aperture ... Fringing Effect of Microstrip Antenna in Antenna and Wave ... Microstrip patch antenna using HFSS ...

Using Hilbert Curve Slot for Bandwidth Enhancement of

A wideband pentagon-shaped microstrip slot antenna was designed on epoxy .... Figure 3 shows the effect of the different substrate materials on the return loss ...

Design of triple-layer double U-slot patch antenna for wireless ...

In telecommunication, a microstrip antenna usually means an antenna fabriciated using .... This is sometimes called a half-patch. The antenna only has a single radiation edge (equivalent slot) which lowers the directivity/gain of the antenna. Novel Design of Microstrip Antenna with Improved Bandwidth - Hindawi Sep 24, 2014 ... Abstract. A novel design of broadband patch antenna is presented in this paper. .... Figure 6 shows the effect of slot lengths “ ” on the antenna ...

Abstract—This paper presents the effect of the slots in ground plane and patch on resonant frequency, impedance bandwidth, gain and side lobe. The microstrip ... Effects of Slot Loading on Microstrip Patch Antennas - CiteSeerX