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3 edition of Characteristics of linearly tapered slot antenna with CPW feed on high resistivity silcon found in the catalog.

Characteristics of linearly tapered slot antenna with CPW feed on high resistivity silcon

Rainee N. Simons

Characteristics of linearly tapered slot antenna with CPW feed on high resistivity silcon

by Rainee N. Simons

  • 43 Want to read
  • 1 Currently reading

Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC, Springfield, Va .
Written in English

    Subjects:
  • Silicon.,
  • Phased array antennas.

  • Edition Notes

    StatementRainee N. Simons and Susan R. Taub and Richard Q. Lee.
    SeriesNASA technical memorandum -- 106057., NASA technical memorandum -- 106057.
    ContributionsTaub, Susan R., Lee, Richard Q., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL14690303M

    Slot antennas are used typically at frequencies between MHz and 24 GHz. The slot antenna is popular because they can be cut out of whatever surface they are to be mounted on, and have radiation patterns that are roughly omnidirectional (similar to a linear wire antenna, as we'll see). The polarization of the slot antenna is linear. An endftre travelling wave antenna, such as, a linearly tapered slot antenna (LTSA) is a viable altemative to a patch antenna at millimeter-wave frequencies because of its simple design and ease of fabrication. This paper presents the radiation characteristics of LTSA at higher millimeter-wave frequencies.

    An antenna is a transducer between a guided wave and a radiated wave, or vice versa. The structure that "guides" the energy to the antenna is most evident as a coaxial cable attached to the antenna. The radiated energy is characterized by the antenna's radiation pattern. Characteristics of Antenna's. Power Density. A broadband and high gain tapered slot antenna (TSA) by utilizing a broadband microstrip- (MS-) to-coplanar stripline (CPS) balun has been developed for millimeter-wave imaging systems and sensors. This antenna exhibits ultrawideband performance for frequency ranges from 70 to over GHz with the high antenna gain, low sidelobe levels, and narrow beamwidth.

      The radiation parts of a Vivaldi antenna are the gradually changing openings. The model in Fig. 1 is used to analyze the field distribution and radiation characteristics of the Vivaldi antenna. The gradually changing slot structure can be analyzed as a variable width slot along with X-coordinate, and as an opening angle and width gradually changing conical transmission . We present a simple coplanar waveguide- (CPW-) fed rectangular ring monopole antenna designed for dual-band wireless local area network (WLAN) applications. The antenna is based on a simple structure composed of a CPW feed line and a rectangular ring. Dual-band WLAN operation can be achieved by controlling the distance between the rectangular ring and the ground plane of the CPW feed .


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Characteristics of linearly tapered slot antenna with CPW feed on high resistivity silcon by Rainee N. Simons Download PDF EPUB FB2

Get this from a library. Characteristics of linearly tapered slot antenna with CPW feed on high resistivity silcon. [Rainee Simons; Susan R Taub; Richard Q Lee; United States. National Aeronautics and Space Administration.].

A linearly tapered slot antenna (LTSA) has been fabricated on a high resistivity silicon substrate and tested at C-Band frequencies.

The LTSA is electromagnetically coupled to a coplanar waveguide (CPW) feed. In this paper, the measured radiation patterns, gain and return loss are presented and discussed. SUBJECT TERMS NUMBER OF PAGES.

Abstract A linearly tapered slot antenna (LTSA) has been fabricated on a high resistivity silicon substrate and tested at C-Band frequencies. The LTSA is electromagnetically coupled to a coplanar waveguide (CPW) feed. In this paper, the measured radiation patterns, gain, and return loss are presented and discussed.

The antenna feed line is tapered for impedance matching with dimensions at the feed-point a = mm and b = mm [7]. The surface current distribution j xy on the antenna at the frequency To connect the ohm input coaxial line to the CPW feed line, a linear taper in the CPW is employed.

The designed antenna shows a GHz impedance bandwidth, a GHz pattern bandwidth. LINEARLY TAPERED SLOT ANTENNA IMPEDANCE CHARACTERISTICS Rainee N.

Simons NYMA, Inc. Aerospace Parkway Brook Park, Ohio and Richard Q. Lee National Aeronautics and Space Administration Lewis Research Center Cleveland, Ohio INTRODUCTION The linearly tapered slot antenna (LTSA) is a very useful antenna.

Design of a low profile, compact, wide beam and wideband linear tapered slot antenna with a stripline feed meant for radar applications in X-band has been Parametric study of tapered slot antenna for wideband applications - IEEE Conference Publication.

UWB by a feed modification. The two designs are the Step Slot Antenna and Linear Tapered Slot Step Slot Antenna: Design The step slot is evolved from a monopole slot antenna shown in Figure (a).

The monopole slot designed at the bottom of the dielectric substrate is excited using an open end microstrip feed at top. multiband monopole antenna utilized capacitive CPW (CCPW) feed and double square slot technique to enable a tri-band antenna operation [27,28].

TheCCPWtechnique is foundto be usefulin controlling Table 1. Comparison of CPW antennas. Ref. Topology Operating Bands [GHz] Gain dBi Radiation Pattern. [14] H-shaped Slot radiator –, –4.

pattern characteristics with moderate gain of approximately 8 dBi [I]. The fmt implementation of a TSA was a stripline fed antenna formed in the ground planes in [2], and the fmt printed slot antenna () was an exponentially tapered slot, the Vivaldi Antema [3].

Various forms of TSA's have been summarized [4]. Abstract: This paper proposes a novel miniaturized CPW-fed antenna for ultra-wideband applications. This antenna employs two oblique tapered slots as opposed to conventional CPW-fed antenna. The antenna shows good group delay and return loss characteristics as it prevents strong resonance and large group delay variation throughout the band.

SLOT ANTENNAS Tapered slot antennas (TSAs) were first introduced in the late s. It was then that Eberle et al9 produced a waveguide-fed, flared slot antenna for use in aircraft skins where conventional antennas could not be easily integrated.

Gibson10 then developed the strip-line-fed, exponentially tapered slot antenna, which he called the. slot antenna for use in WLAN applications. In this paper, we proposed the slot antenna fed by CPW at a designed frequency of GHz and coverage frequency range from {GHz.

ANTENNA STRUCTURE The CPW fed slot antenna is designed at GHz with the symmetrical structure, as shown in Figure 1(a). Antenna Book Online (ex-N1BWT) Chapter 7 Slot Antennas Paul Wade W1GHZ ©, Introduction Slot antennas are popular omnidirectional microwave antennas.

These antennas feature omnidirectional gain around the azimuth with horizontal polarization. Waveguide slot antennas, usually with an array of slots for higher gain like Figure. Design of CPW fed Monopole Slot Antenna for WiMAX Applicationsh Abstract— In this paper, a CPW fed monopole slot antenna is proposed.

A rectangular patch embedded to slot antenna is designed on 50x30mm2 RT Duroid substrate with thickness and relative permittivity Abstract: The tapered slot antenna, such as Vivaldi, has been widely used due to its ultra-wideband, high gain, simple feed structure, and easy fabrication.

However, there is no rigorous analytical theory for this type of antenna. This paper analyzed the metal parts of a tapered slot antenna in a conical coordinate system with the medium analyzed in rectangular coordinates.

This paper reports uniplanar linearly tapered slot antennas (LTSA) with corrugated edges exhibiting wide impedance bandwidth and improved radiation patterns with experimental verification.

The antenna is fed by coplanar waveguide (CPW) and the input impedance of LTSA is matched to 50 Omega CPW feed line by means of Marchand baluns. The taper length, L is x2 ¡ x1 and the aperture height is H is 2(y2 ¡ y1) + WSL.

In the limiting case where R approaches zero, the exponential taper results in a so-called linearly tapered slot antenna (LTSA) for which the taper slope is constant and given by s0 = (y2 ¡ y1)=(x2 ¡ x1). For the exponential taper deflned by Eq. (1). of antennas, the linear tapered slot antenna (LTSA) is a wideband antenna that has the advantages of small size, design simplicity, and easy adaptation to an array.

This study examined and analyzed the 10 primary parameters that define the LTSA design when operated in the ultra-wideband (UWB) frequency range. Fig. 2(a) shows the antenna feed etched on the aluminum layer consists of three parts, namely CPW line, an F-shape balun and a tapered slot line.

The antenna is fed by a 50 CPW line on the aforementioned substrate with W line = 80 m and W gap = 40 m and is connected to the F-shape balun which is a transition from CPW to a W slot= m slot line.

and linearly tapered profile [78] have been thoroughly studied over the past few years. Planar tapered slot antennas have two common features. The radiating slot acts as the ground plane for the antenna and the antenna is fed by a balanced slot line. However, drawbacks for a planar TSA come in the form of using a low dielectric.In The Electrical Engineering Handbook, Babinet's Principle.

One may view a slot antenna to be physically complementary to a strip dipole antenna consisting of a metal strip of the same. shape and size as that of the slot. The complementary strip dipole is to be excited by a voltage gap, breaking across the strip at the same position where the slot antenna is excited.A linearly tapered slot antenna (LTSA) has been fabricated on a high-resistivity silicon substrate and tested at C-band frequencies.

The LTSA is electromagnetically coupled to a coplanar waveguide.