A microstrip antenna system is comprised of either a single antenna element (patch) or a plurality of stacked antenna elements having one or more feedpins connected to a corresponding number of conductive elements (flags) capacitively … US4259670A - Broadband microstrip antenna with automatically… Variable impedance devices (e.g., series resonant circuits and/or transmission line tuning stubs) are connected to predetermined locations on a microstrip radiator patch for changing the effective resonant dimensions of the antenna as a … US4130822A - Slot antenna - Google Patents A stripline radiating element for use in a flat plate antenna array. The radiating element is comprised of a stripline sandwich including first and second stripline boards. A U-shaped slot is etched in the ground plane of the first …
Microstrip Printed wide slot antenna with Fork – like tuning…
Microstrip-fed dual-frequency annular-slot antenna loaded by split-ring- slot.Abstract: A compact dual-band annular-slot antenna loaded by a concentric split- ring-slot is presented. A stepped microstrip feedline enables the control of the coupling and provides good matching. A new microstrip-fed cavity-backed annular slot antenna A single feed multi-frequency annular slot antenna is analyzed with an integral equation program and experimentally.Tuning the antenna is examined by changing the width of the slot ring and adjusting the open-circuited microstrip feed line. Microstrip-Fed Dual-Frequency Annular-Slot Antenna Loaded…
Microstrip Slot Antenna Microstip slot antenna is very simple in structure: it consists of microstrip feed that couples electromagnetic waves through the slot above and slot radiates them. A microstrip-fed slot antenna offers a better isolation between the feed and the material under measurement compared to the microstrip-fed microstrip antenna ...
In this paper, a single layer asymmetric L-slot loaded microstrip patch antenna for circular polarization is proposed. The suggested L-slot excites the two orthogonal patch modes in phase quadrature for circular polarization without truncating any corner of the probe feed square patch. A novel design of a CPW-fed square slot antenna with… square slot antenna fed by a single coplanar waveguide is proposed and discussed. The circularly polarized radiation is achieved by means of using anAnother new configuration of annular ring has been studied. Theoretical analysis of CDM and annular ring antennas have been carried out using...
978-1-4799-8164-9 Shikha Sharma and Devendra Sombanshi Annular-ring slotted microstrip patch antenna for ISM band applications, ... fed annular slot‐antenna ...
What is the difference between slot antenna and patch antenna ... Slot antennas are easier to make and modify, though patch antennas can be nearly as cheaply made using printed circuit board production lines. Slot antennas can send much more powerful signals. You can build a slot antenna into a structure and put it somewhere others may not know it is. The Pros and Cons of Slot Antennas An Introduction of Aperture Coupled Microstrip Slot Antenna An aperture-coupled design is proposed for Microstrip slot antenna to improve its radiation pattern as well as bandwidth. It is based on coupling of an aperture between the patch antenna and Microstrip slot line. The first aperture coupled microstrip antenna was introduced in 1985 by D M Pozar (4) Figure1: Aperture coupled microstrip slot antenna
US5661494A - High performance circularly polarized microstrip…
An Introduction of Aperture Coupled Microstrip Slot Antenna An aperture-coupled design is proposed for Microstrip slot antenna to improve its radiation pattern as well as bandwidth. It is based on coupling of an aperture between the patch antenna and Microstrip slot line. The first aperture coupled microstrip antenna was introduced in 1985 by D M Pozar (4) Figure1: Aperture coupled microstrip slot antenna Microstrip‐line‐fed printed shorted ring‐slot antennas for ... Circular polarization (CP) radiation of the shorted ring‐slot antennas is achieved by selecting a proper length of the shorted section in the ring slot, which is about 3.9 and 8% of the mean circumference of annular and square ring slots, respectively, and feeding the ring slot using a microstrip line 90° to the shorted section.
Dublin Institute of Technology ARROW@DIT Articles School of Electrical and Electronic Engineering 2009-01-01 Microstrip-Fed Dual-Frequency Annular-Slot Antenna… A compact rhombus-shaped slot antenna fed by microstrip ... A compact rhombus-shaped slot antenna fed by microstrip-line for UWB applications - Volume 9 Issue 2 - Richa Chandel, Anil Kumar Gautam, Binod Kumar Kanaujia