Compact dipole antenna. Aiming at wide beamwidth, multilayer coupling .

Compact dipole antenna. The operation principle of an Abstract- A dual band printed dipole arm compact antenna has been proposed for the wireless communication systems in this paper. It is a dipole constructed out of the plastic plumbing pipe CPVC. 4 GHz antenna is an external magnetic mount multiband antenna designed for WiFi/WLAN and 2. Apr 22, 2025 · In this article, a compact dual port Multiple Input Multiple Output (MIMO) Coplanar Waveguide (CPW) fed Ultra-Wideband (UWB) antenna for the next generation wireless communication using Machine May 10, 2021 · In this paper, low-profile compact microstrip magnetic dipole antennas with large beamwidth and broad bandwidth are proposed for vehicular applications. The ME dipole consists of two mirrored U-shaped patches, a substrate integrated waveguide (SIW) cavity with slotted top and two metallized vias connecting the patches to the slot. Sep 3, 2025 · The document provides a brief guide on building a compact dipole antenna appropriate for the 40, 80, and 160-meter amateur radio bands. Tested antenna only 2m50 above ground, made several contacts within Europe with 3w and 100w May 11, 2023 · A compact and broadband dual-mode dipole antenna is proposed in this paper. The JK401 is a simple Hi-Q coil loaded rotatable dipole, with a small footprint as well giving great performance on 40M. The unit cell is a planar dipole printed on Feb 1, 2024 · A novel wideband hemispherical conformal antenna with pattern diversity is proposed in this paper. Looking for a compact, portable dipole antenna solution? The DudeTenna dipole kit is built around a mini BNC winder, offering an innovative and space-saving way to deploy a resonant dipole antenna in minutes. It consists of two pairs of folded cross-dipole arms printed separately on both sides of the top substrate, and the two dipole arms on the same surface are connected by an annular phase-shifting delay line to generate circular polarization. 5% impedance bandwidth by using two asymptotic electric walls with embedded impedance-matching structures. This results in a significant expansion of the antenna’s impedance bandwidth and a notable reduction DF antenna in the form of an array consisting of multiple antenna elements that are arranged in a circular formation. 5:1 or better. The proposed antenna consists of an electric dipole, magnetic dipole, and reflector. 4 GHz ISM band applications such as Bluetooth® and ZigBee®. The two mirrored U-shaped patches work as an electric dipole (E-dipole), while the The JK301 is a simple Hi-Q coil loaded rotatable dipole, with a small footprint as well giving great performance on 30M. The antenna elements can be among several antenna types such as dipole antennas, monopole antennas, bi-conical antennas, log-periodic antennas, and Vivaldi antennas. There are telescoping whips at the ends of each side of the dipole, and these whips are adjusted to bring the antenna into resonance on each of five HF Bands 10, 12, 15, 17, and 20 Meters Mar 23, 2023 · In this letter, a compact magneto-electric (ME) dipole antenna is designed and analyzed without compromising too much good performance of the ME dipole. Jul 1, 2025 · On the contrary, the tightly coupled dipole arrays (TCDAs) are originated from the concept of wheeleŕs current sheet arrays, which have the merits of UWB characteristics and compact sizes [5]. The parasitic patch located above the L-shaped metal arms (as an electric dipole) functions as a director. A wideband dipole antenna with wide beamwidth fed by a coaxial balun is presented. In the proposed design, we make these three Aug 19, 2022 · This article presents the design, modeling, and fabrication of a printed log-periodic biconical dipole array antenna (PLPBDA) for electromagnetic compatibility (EMC) measurements. Furthermore, resistors are loaded between the slots of the V-shaped structure to improve the time-domain Aug 25, 2017 · A compact, dielectric-loaded, and wideband log-periodic dipole array antenna operating between 200 and 803 MHz for VSWR less than 2 is presented in this letter. The antenna is divided into two parts, one is a cuboid antenna element fabricated on a FR4 printed circuit board, and the other is a grounded coplanar waveguide feed line fabricated on a motherboard. 283F IEEE | Apr 1, 2016 · A compact magneto-electric dipole antenna for long-term evolution femtocell base stations is proposed. Due to the unique configuration of the antenna element, the E- and M-dipole moments were oriented in the same direction, providing circular polarization. Depending on the asymmetric arms, the antenna provides two −10 dB impedance bandwidths of 225 MHz (about 5-Band, 1/2 wave rotatable dipole for 40/20/15/10/6 meters! Compact, lightweight, and easily assembled in either a horizontal, “V” shape or ground-plane configuration. For TX and RX, separate but identical antenna arrays are placed on each side of the die. It consists of two long branches and one short branch, which induce resonances at 2GHz, 2 In this communication, a magnetoelectric dipole (MED) antenna with compact size, low profile, and wideband characteristics is proposed. The crowded space above the set required a compact multi-band dipole, and the CHV-5X was selected to solve the problem the minimal space presented. These dipole elements are non-uniform in shape and distance. A compact and wideband folded dipole antenna with multi-resonant modes is presented in this paper. A portable wideband DF antenna is proposed in [12,14]. In particular, the second-order Minkowski-like fractal structure is loaded on the planar electric dipole to effectively miniaturize the aperture size of the antenna. Jan 17, 2017 · A compact planar log-periodic dipole array (LPDA) antenna operating from 0. 7% is presented for millimeter-wave beam steering applications with the combination of the fractal technique and reactive impedance surface (RIS) loading. The parasitic elements are located on the top and bottom surfaces of the same substrate printing the crossed dipoles, and each consists of a horizontal patch and a vertical shorting pin. Sep 16, 2025 · The c apacitor-loaded shortened dipole antenna, popularized by G7UNF, is a compact, multi-band antenna design that uses a center-mounted adjustable capacitor to tune resonance across several amateur radio bands. It is found that these three diploes produce omnidirectional radiation patterns when they work on half-wavelength mode. Shop HF Yagi, HEXX Beam and Rotatable Antennas at DX Engineering. Different from the previous works, the designed dipole is compact while having a wide‐impedance bandwidth of 1–4. Maximize your signal—and your contacts—with Yagi, HEXX beam, and rotatable antennas today! A novel compact and wideband circularly polarized (CP) crossed dipole antenna is presented. 2 wavelength at the very lower end of the operating Sep 2, 2022 · This article proposes a dual-polarized magnetoelectric dipole antenna to address these issues. The Mini series is built in the Mosley tradition of quality, simplicity, and strength. Design of ultrawideband (UWB) dual-polarized antenna with compact size is presented in this communication, which is composed of a triple-layer magnetoelectric (ME) dipole, a pair of cross-placed -shaped feeding structure, and a box-shaped reflector. This development complements the creation of compact printed dipoles for GPS/WiMAX applications [6] and V-shaped dipoles designed for radio astronomy observations [9]. One arm of the NSWD antenna consists of several patches with different lengths, and the other one is a hollow metal tube. 68GHz which are useful in Radiolocation and satellite mobiles. The combination of the crossed dipole with a three-quarter ring can produce an AR point. At the end of the feeding slotted line, a beveled slot with stepped connection structure is designed to realize an o®set feeding structure for feeding the dipole antenna. It consists of a cross-dipole radiator with the arms printed on both the top and bottom sides of the substrate. Without using complex filtering circuits, the dual-polarized dipole antenna realizes satisfactory filtering performance and enhanced This letter presents a simple structure wideband circularly polarized (CP) dipole antenna with bandpass-type filtering radiation response. Traditionally, filtering dipole antenna uses a parasitic component to generate a single reflection coefficient zero and one radiation null or exploit the high-order mode of parasitic element for more reflection coefficient zeros and radiation nulls. Oct 28, 2024 · Communication systems require broadband wide-beamwidth antennas for wide-angle signal acquisition. This innovation achieves a Sep 3, 2025 · RockLoop Antenna The RockLoop Antenna is a compact multiband portable and indoor antenna suitable for QRP operations on the 10, 14, and 21 MHz bands. The metal wires’ length is half of the highest wavelength that is λ/2 within free space at the frequency of operation. This design achieves an May 30, 2024 · This article presents a planar, non-angular, series-fed, dual-element dipole array MIMO antenna operating at 28 GHz with the metasurface-based isolation improvement technique. The proposed antenna is excited by a balun, which consists of a folding microstrip line and a Reviews For: Comet CHV-5X Multi Band Rotatable Dipole Antenna Category: Antennas: HF: Verticals; Wire; Loop eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail notifications when new reviews are posted. It consists of two pairs of folded cross-dipole arms printed separately on both sides of the top substrate, and the two dipole arms on the The Buddipole™ - HF portable dipole antenna system, Welcome to the home of the Buddipole™, an hf/vhf portable dipole antenna system which is designed to be modular, versatile, and efficient. The combination of the U-shaped reflector and the pair of L-shaped metal arms acts as a magnetic Jan 29, 2017 · In this study, the authors present a novel dipole antenna for microwave imaging (MWI) applications. A bent metal square ring and four small The JK401 is a simple Hi-Q coil loaded rotatable dipole, with a small footprint as well giving great performance on 40M. To restore the circular Mar 23, 2023 · Abstract In this letter, a compact magneto-electric (ME) dipole antenna is designed and analyzed without compromising too much good performance of the ME dipole. The JK801 is a motorized inductor coil loaded as well as end capactively loaded rotatable dipole, with a small footprint, giving great performance on 80M. This antenna consists of a pair of radiation metal arms and a microstrip-to-slotline transition structure. The hybrid balun consists of a tapered balun and a March Join my friend Tom VA3WBA and myself as we test the Diamond HFV5 Compact Dipole ham radio antenna in a Parks On The Air activation. It is found that the 5-Band, 1/2 wave rotatable dipole for 40/20/15/10/6 meters! Compact, lightweight, and easily assembled in either a horizontal, “V” shape or ground-plane configuration. The length of the arms is chosen to excite two adjacent frequencies in order to obtain Aug 14, 2022 · A compact magneto-electric (ME) dipole antenna has been designed to improve bandwidth and gain. In this Letter, a compact differential-fed dipole antenna with simple structure is presented. In particular, the second-order Minkowski-like Abstract: In this study, the authors present a novel dipole antenna for microwave imaging (MWI) applications. The antenna consists of three layers of top metal, dielectric substrate, and bottom metal, with the top metal and bottom metal of the dipole antenna shorted at the sides of the antenna. In this work, a broadband wide-beamwidth antenna utilizing pattern compensation is proposed for S-band applications. May 21, 2021 · Magnetoelectric (ME) dipole antennas have been widely studied since its introduction by K. May 6, 2025 · This two-step approach, with a semi-fractal dipole structure followed by stair-shaped parasitic elements, achieves an efficient and compact circularly polarized antenna design. We analyze the radiation of three kinds of half-wavelength dipoles (strip, U-shaped strip, and folded strip). Because dipoles are directional, as seen in the “Dipole Radiation 3D Pattern” diagram, an antenna rotator is required for maximum antenna gain in a specific direction. It is made with very high quality materials and the best in its class in the market in terms of mechanical construction and electrical performance. The lack of affordable compact antennas to meet the project requirements was the incentive to develop a compact unidirectional antenna, with the maximum possible front-to-back ratio at frequencies < 10 MHz where the dimensions Sep 26, 2014 · In this study, a small dipole antenna for digital television (DTV) reception band (470-862 MHz) is developed. 2 wavelength at the very lower end of the operating frequency Oct 26, 2023 · Explore the world of dipole antennas: their working principles, types, applications, pros & cons, and design considerations. The strategy of asymmetrically truncating one arm of the dipole achieves a 50% reduction in the dipole size. This is the compact dipole used for HF communications on the set of the ABC Television show "Last Man Standing" with Tim Allen. 91GHz and 4. Abstract|A compact printed dipole antenna with wide impedance bandwidth is proposed in this paper. Understanding Dipole Antennas A dipole antenna is one of the simplest and most widely used types of antenna. As the antenna’s length decreases, its feed impedance rises, making it less sensitive to specific frequencies & suitable for wide-bandwidth applications. For compactness, a meander line configuration is implemented with dipole elements and optimized using a genetic algorithm (GA) to realize the LPMDA antenna. The antenna comprises two printed radiating arc- Abstract: A compact planar log-periodic dipole array (LPDA) antenna operating from 0. 4 GHz Mini Mag Mount Compact Dipole Antenna - SMA This 2. 3209326 Bibcode: 2023IAWPL. Apr 21, 2025 · ABSTRACT In this article, a compact 28/38 GHz dual-band endfire phased array is presented for 5G millimeter-wave (mm-wave) mobile terminal applications. The structure is made up of two dipole elements with unequal arms. Luk in 2006 [3]; by combining and exciting a magnetic dipole and an electric dipole together, the complementary antennas show good electrical characteristics, including wide impedance bandwidth (BW) of 47%, stable gain of about 8 dBi, low back radiation, low cross-polarization, and symmetrical E- and Aug 23, 2021 · Design of ultra-wideband (UWB) dual-polarized magnetoelectric (ME) dipole antenna with compact size is presented. 8 mm 3. The document provides a brief guide on building a compact dipole Jun 28, 2018 · A compact and low-profile log-periodic meandered dipole array (LPMDA) antenna with an artificial magnetic conductor (AMC) is proposed. The best performance of this dipole is achieved at approx 130Ft or higher. It consists of horizontal defected semi-circular patches that act as electric dipole and vertical rectangular patches that work as magnetic dipole shorted to ground plane. Centre dipole section is 55mm (almost 2''1/4) Diameter with 2mm wall and the antenna has a fast taper to the end sections which are still a full 25mm (1'') diameter where the capacity loading is. Through t This paper presents a novel technique that miniaturizes a crossed-dipole antenna while simultaneously maintaining a wide axial ratio bandwidth performance. This article proposes a novel, simple design scheme for filtering dipole antennas using asymmetric parasitic elements. This post explains how the antenna works, gives the key dimensions, and shows you the capacitance values for various frequencies. It consists of two folded arms and one additional extended arm, which are all printed on a single-layer substrate. . 2 GHz along with a moderate gain. These patches provide an additional lower-band electric dipole resonant mode to the conventional DP ME dipole element and dynamically adjust the element’s radiation aperture with frequency, similar to a frequency-independent antenna. 7–8 GHz and achieves a realized gain of around 5. Initially, the proposed tag consists of folded dipole configuration with extended meandered arms to achieve single resonating band. This Antenna is Seriously HD. By adopting the concepts of complementary sources and differential feeding scheme, it achieves wide bandwidth, stable gain and low cross-polarisation at the same time while maintain-ing a compact size, as indicated by Table 1. The antenna is composed of a pair of bent dipoles, which are coupling fed by a coaxial cable. In particular, the largest dimension of the antenna is 6 cm, which is 0. Oct 1, 2022 · The proposed compact circularly polarized multiband antenna is made up of three dipole pairs printed on the top and bottom sides of the dielectric substrate, the first and third dipole pairs are metal strips with half-arrow shaped ends, and the second dipole pair is an asymmetric triangular-shaped radiator. Compact, lightweight, and easily assembled in either a horizontal, "V" shape or ground-plane configuration. 5 dBi in most of its bandwidth. With this antenna (mounted vertically) I easily work transatlantic on 80m. The basic dipole antenna diagram with the center feed point is shown below. It is a ground plane independent dipole antenna solution which mounts to ferrous metallic surfaces using the integrated magnetic base. The innovative director uses a crossed open cavity with four horizontal metal plates mounted on its open ends, resulting in dual-polarized magnetic and electric dipole directors. 13λ0 (where λ0 is the free-space wavelength at the centre frequency). Two integrated baluns connected with 50 Ω SMA launchers are used to excite the dipole antenna. The proposed antenna consists of a double-layer ME dipole, a pair of cross-placed Γ-shaped probes, and a box-shaped reflector. A wideband compact printed dipole antenna array with an element size of 0. 22. The antenna consists of four parts: main radiator, feeding baluns, reflector, and two parasitic loops. 6 days ago · The document provides a brief guide on building a compact dipole antenna appropriate for the 40, 80, and 160-meter amateur radio bands. Perfect for enhancing your communication capabilities. Two parasitically coupling strips are added to excite one additional resonance mode. In addition, to reduce the size of the antenna, a V-shaped slot structure was applied. A standard form of this antenna is often called a “half-wave dipole”, and is made of two pieces of wire or conductor, each one-quarter wavelength long at the Dipole Antenna Design A dipole antenna includes two conductive elements like wires and rods or wires where the feeder at the center & radiating sections of the antenna are on either side. The proposed structure used bow tie-shaped dipoles instead of typical dipoles to achieve a size reduction of 50% and bandwidth enhancement of 170% with the help of PCB technology. Yet for the first time, the A printed-dipole antenna array with a broadband performance and low mutual coupling is simulated and characterized in this paper for 5G and beyond 5G applications. M. […] Feb 5, 2024 · A miniaturized and wideband circular-polarized (CP) dipole antenna with couple-feed has been developed for 5G base-station applications. Mentioning: 3 - In this study, the authors present a novel dipole antenna for microwave imaging (MWI) applications. The proposed antenna contains a parasitic patch, a U-shaped reflector, and a pair of L-shaped metal arms. To minimise In this article, a compact nonsymmetric wideband dipole (NSWD) antenna is proposed. A novel high-efficiency shared-aperture triple-band dipole array antenna configuration is propose Free Shipping - Comet CHV-5X Rotatable Dipole Antennas with qualifying orders of $99. The second part will detail planar antennas. The resultant antenna has compact size of 20×200×0. A compact and highly selective circularly polarized (CP) filtering antenna based on dipole is proposed in this work. 12λ 0 (λ 0 is the wavelength at central frequency herein and after), gain of around 8 dBi, and bandwidth of 39. Aiming at wide beamwidth, multilayer coupling A compact circularly polarized (CP) crossed dipole antenna with wide bandwidth and wide axial ratio (AR) is proposed. Mar 16, 2022 · In this letter, an ultra-wideband crossed-dipole CP antenna with a modified crossed-dipole and a modified cavity is proposed. By incorporating a vertical plate at the antenna’s edge to introduce capacitive coupling between the dipole arms, the impedance bandwidth is extended towards the low-frequency end. The proposed antenna has a compact size of 0. Sep 30, 2024 · In this paper, we designed a compact printed dipole antenna with multiple bands. A Wideband Compact Printed Dipole Antenna Array With SICL Feeding Network for 5G Application Fan, Fang-Fang ; Chen, Qing-Lin ; Xu, Yun-Xue ; Zhao, Xiao-Fei ; Feng, Ji-Chao ; Yan, Ze-Hong Publication: IEEE Antennas and Wireless Propagation Letters Pub Date: February 2023 DOI: 10. For compactness, a meander line con guration is implemented with dipole elements and optimized using a genetic fi algorithm (GA) to realize the LPMDA antenna. The antenna employs a coaxial single-feed configuration and consists of two substrates, a pair of slotted rectangular dipole arms arranged as crossed This letter introduces a novel high-gain, dual-polarized magneto-electric dipole (ME-dipole) antenna that incorporates a compact dual-polarized ME-dipole director for the first time. The dipole- c not only couples proper energy from the x -axis arranged driven dipole- x to the orthogonally arranged dipole- y but Discover the DP-2 Dipole Antenna, ideal for amateur radio enthusiasts. Comet engineers have specifically designed this antenna for those that desire a milti-band dipole that can be rotated if needed, but don’t have a lot of room to install it Jan 17, 2017 · A compact planar log-periodic dipole array (LPDA) antenna operating from 0. The proposed antenna utilizes vertically oriented folded shorted patches to function as magnetic dipoles, which effectively enlarges the impedance bandwidth and stabilizes the antenna gain in the higher frequency. 7 Compact Non-Resonant Dipoles BU01097 Category: Antennas: HF: Yagi, Quad, Rotary dipole, LPDA eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail notifications when new reviews are posted. Two independently tunable radiation nulls are produced near the edges of the passband, giving filtering responses without the need of any filtering circuits. The antenna is fed by two cross Two compact and wideband dipole antennas are proposed in this paper. Designed for use with an antenna tuner, each element is fitted with an M5 stud and wing nut to enable easy feed wire connection. These advancements highlight the importance of dipole antennas in optimizing signal quality and Sep 3, 2025 · 160 meter full wave loop antenna The antenna is a 10 - 160 meter horizontal loop fed with 450 ohm ladder line all the way into the ham shack to an Palstar AT1500BAL balanced line antenna tuner Trapped dipole for 40-80-160 meters Build a space efficient trapped dipole antenna for 40-80-160 meter bands using RG-58 and PVC pipe. It has omnidirectional radiation Sep 10, 2014 · We will start this chapter by detailing wire antennas. 8 MHz to more than 500 MHz with VS Jul 12, 2017 · A novel differential-fed dipole antenna with compact size is proposed and investigated. This paper presents a 900 MHz band metal-available compact dipole antenna for RFID (Radio Frequency Identification) application. The page provides detailed information on the design and usage of this antenna, making it a valuable resource for amateur radio operators looking to improve their setup. The inverted L-shaped stub is embedded at the lower arm of the folded dipole to introduce additional resonance and realize the dual A compact magneto-electric dipole antenna for long-term evolution femtocell base stations is proposed. In particular, a fractal ME dipole Manager Reviews Home Reviews For: Bushcomm Horizon 6. Introduction Having limited space led to the design of this multi-band antenna array, which has a foot print of approximately 15 feet. To realize CP radiation, a new design concept of using coupling stub is first illustrated. This article presents a design of a high out-of-band suppressed compact wideband filtering dipole antenna with a dual-mode compressed parasitic folded dipole. The proposed antenna consists of a half-wavelength dipole and a compressed parasitic folded dipole. 8 mm. The CLL operates as a radiator at low frequencies, thereby significantly Jul 20, 2017 · A novel differential-fed dipole antenna with compact size is proposed and investigated. It is made with very high quality materials and the best in its compact and low-profile log-periodic meandered dipole array (LPMDA) antenna with an arti ficial magnetic conductor (AMC) is proposed. Mar 17, 2014 · A dual-band dipole antenna that consists of a horn- and a C-shaped metallic arm is presented. 4 GHz (ISM), and its size is 89 mm £ 29 mm £ 1:6 mm May 8, 2025 · W3FF Portable Dipole This is the antenna w3ff designed for his walking portable station. However Sep 2, 2024 · The short dipole antenna, which is shorter than a half wavelength, is valued for its compact size. 34 λ0 is proposed for millimeter-wave (mmW) applications, particularly for 5G applications. It explains the materials, building processes, and tuning methods required to provide best performance while preserving space. The two patches of the dipole are printed on two different layers to achieve a wide bandwidth of 50% (24–40 GHz) for SWR <2. 55 to 9GHz with high measured gain is proposed to be implemented in a reverberation chamber as a source antenna. 8λ0 × 0. This antenna is made for the Ham operator that ís looking for a compact dipole antenna to work on 40M. Different from the previous works, the designed dipole is compact while having a wide-impedance bandwidth of 1–4. In this paper, we proposed a compact 2 × 2 MIMO dipole-type antenna that uses a decoupling inductor to mitigate mutual coupling between MIMO antennas. This antenna is made for the Ham operator that ís looking for a compact dipole antenna to work on 30M. Shop HF portable stealth antennas, including dipole, vertical dipole, loaded vertical, telescoping, whip, and wire antennas, at DX Engineering. May 27, 2025 · This paper presents a printed dipole antenna designed for handheld radio frequency identification (RFID) readers. This novel triple-band dipole antenna appears preeminent radiation performance and working bandwidth. First, an aperture coupled ME dipole is proposed with wideband and low profile. The antenna consists of two third iteration triangle fractal arms, and has been designed to work at 900 MHz (GSM) and 2. In A wideband compact magnetoelectric (ME) dipole antenna is investigated for millimeter-wave applications. Aug 2, 2018 · This paper presents a broadband dual-polarized filtering dipole antenna for base-station application, which has a compact size of 50 mm × 50 mm × 31. This topology combines a radiator consisting of four double quasi-rhombic dipole antennas and a feeding network composed of four rat-race couplers. The initial design is a single-element antenna with a dual dipole array which is series-fed. Sep 2, 2022 · In this antenna, the dipole uses a fractal-based structure with multiple similar patches for obtaining broadband CP radiation and impedance matching. The antenna comprises a pair of identical crossed-dipole arms printed on the same plane of a This antenna is made for the Ham operator that ís looking for a compact dipole antenna to work on 40M. 1109/LAWP. Jun 2, 2014 · A compact dual-polarized printed dipole antenna for wideband base station applications is presented in this communication. Three resonant modes are obtained by using a modified planar folded dipole and its coupled feeding structure. 31λ 0 ×0. The size of the antenna is only 0. The E-dipole and M-dipole elements have separate resonance modes, that is, the E-dipole operates from ( Oct 18, 2019 · In this article, a crossed dipole antenna with compact size (43 × 43 mm2) and high isolation (42 dB) is proposed using a hybrid balun circuit. Broadly speaking, the wideband impedance matching property of TCDAs is realized by intentionally enhancing the capacitive coupling between the adjacent elements, which can compensate for the inductive MA-50 Dipole: A versatile portable HF antenna for amateur radio enthusiasts who need to deploy an antenna from a single upright. It consists of two pairs of folded cross-dipole arms printed separately on both sides of the top substrate, and the two dipole arms on the same surface are connected by an annular phase-shifting delay line to generate circular An infinitesimally small current element is called the Hertz Dipole (Length L< λ/50) Assume an infinitesimal current element of length dl carrying an alternating current Io. The antenna is a semi-elliptical dipole for obtaining wideband performance. 74 λ0 × 0. It is a center loaded antenna designed by Jact Sobel W5VM. It consists of four modied arms which are fed by vacant-quarter phase delay rings to excite CP radiation. Using this Jun 17, 2024 · This paper presents a compact wideband circularly polarized cross-dipole antenna with a low-pass filter response. Four pairs of rotated metal strips and a compact square ring structure are coupled to the arms to enhance the axial ratio (AR) bandwidth. The design achieves 60. Jun 1, 2020 · A meandered tag antenna is proposed for dual band operation in UHF (Ultra High Frequency) range at f1 = 866 MHz and f2 = 912 MHz. Dipole Aug 24, 2021 · This paper initially presents an overview of different miniaturization techniques used for size reduction of printed log-periodic dipole array (PLPDA) antennas, and then continues by presenting a design of a conventional PLPDA design that operates from 0. The pattern diversity is obtained when four different input ports in the feeding network are excited respectively. However, the dipole arm truncation caused the antenna to lose its circular polarization characteristics. By using the A compact magnetoelectric (ME) dipole antenna is presented in this paper. To minimise. The dipole The DIPL-A0047 is a small and lightweight yet rugged wideband dipole antenna that operates over the frequency range 20 MHz to 100 MHz with an input power of 500 W. ago| Show all posts | Read mode This post will be closed automatically in 2025-09-23 00:58 Reward 10 points I answered Assistant settings journal：IEEE Antennas and Wireless Propagation Letters Authors：Xian Jing Lin; Yao Zhang; Zhi Lin 2. To realize the compact design, we take advantage of the slow wave character of the SPP to design arms of the dipole antenna. Comet engineers have specifically designed this antenna for those that desire a milti-band dipole that can be rotated if needed, but don't have a lot of room to install it. Four parasitic elements are utilized rotationally between the dipoles and the reector. Ground-signal-ground transmission line construction with a height difference between the The SHORTYFORTY compact dipole for 40m band You don't have the space to put up a full-size dipole for 40m ? No problems here comes the SHORTYFORTY ! Total length only 9m40 about ! Less than a 20m dipole!. W IDEBAND antennas have been greatly demanded in many wireless systems for higher performance, such as wider bandwidth, stable radiation patterns, lower cross polar-ization, and compact size. The Mini series uses the same 6063-T832 aircraft drawn telescoping tubing, stainless steel hardware, and comes with a 2 year warranty. Based on this design Jul 15, 2023 · AbstractThis letter presents a compact ultra-wideband circularly polarized CP crossed-dipole antenna with enhanced axial-ratio beamwidth ARBW and half-power beamwidth HPBW. A Compact Circularly Polarized Crossed Dipole Antenna with Wide Bandwidth using Split Ring Resonator and Parasitic Patches Hailong Yang, Zhiqiang Guo, Xuping Li, Yunqi Zhang, Xueyan Song, and This paper presents a design for a compact ultra-wideband (UWB) dual-polarized magnetoelectric dipole antenna. This antenna design is then used as a baseline model to Mar 11, 2025 · In this paper, a broad ARBW four-port compact MIMO antenna is implemented through the four-sequentially rotated CP ME-dipole planar array. In this paper, we present a 28 GHz antenna array in package which covers the n257 and n258 frequency bands designated for 5G applications. This matchbox is good for this type of antenna. A novel dual-polarized (DP) magnetoelectric (ME) dipole element, integrated with frequency-selective stepped patches, is introduced. Fundamental mode (f1) is combined with third-order mode (f3) to widen the bandwidth. The folded reflector and bent electric dipole form a capacitively loaded loop (CLL) structure. To enhance the radiating properties of dipole antennas, particularly for 5G applications, reflectors have been introduced [8]. By utilising a pair of complementary sources, In several years or running a short, openwire fed vertical dipole (6m per leg), I have determined that this antenna (in its vertical form) was on par with my full size 80m horizontal dipole at 40 ft. The Aug 30, 2019 · A low-profile wideband circularly polarized (CP) crossed-dipole antenna with eight parasitic elements is presented. It has been found that the introduction of the four parasitic shorted patches on the bottom Jun 17, 2024 · This paper presents a compact wideband circularly polarized cross-dipole antenna with a low-pass filter response. Incorporating the shorting pins and parasitic patches, multiple resonant modes in the antenna are manipulated, shifted, and then combined to increase the impedance bandwidth. 2022. Furthermore, the balanced feeding Apr 3, 2024 · This study presents the design of a uniplanar crossed-dipole antenna with broadband characteristics. To achieve wideband unidirectional radiation patterns and compact size, dipole antennas with re-flectors are studied. Four horizontal triangular patches are introduced to form two dipoles in two orthogonal polarizations. In A compact filtering dipole antenna that requires no extra circuits is investigated. Proposed antenna radiates at the dual frequencies of 1. The first dipole operates at a lowfrequency band from 77. Yalin Guan, Zhuming Zhou, Yanfei Li*, and Huaibao Xiao Abstract|A novel design of fractal dipole antenna has been presented for RFID (Radio Frequency Identi ̄cation) tag applications, which is based on the fractal theory. 7 Compact Non-Resonant Dipoles are compact all aluminum self-supported dipole antennas specifically designed for "Limited-Small space" applications. In [1], a pair of asymmetric coplanar strip folded dipoles is used to achieve an The proposed antenna is configured with a cross ME dipole loaded with a rectangular slot, and two L-shaped feed lines are coplanar with the vertical patch, which makes the transverse size of the antenna more compact. 7 Compact Non-Resonant Dipoles Bushcomm Horizon 6. 5-Band, 1/2 wave rotatable dipole for 40/20/15/10/6 meters This is the compact dipole used for HF communications on the set of the ABC Television show “Last Man Standing” with Tim Allen. Performance on 40m is quite good. The arms of the proposed This Compact Mag Mount Dipole Antenna is designed for use in 868 MHz and 915 MHz bands for low-power wide-area (LPWA) applications such as LoRaWAN®, Sigfox® and WiFi HaLow™ as well as ISM and remote control applications. Due to the mixed couplings in a single-fed multiple-element dipole antenna, the generated phase differences between resonators contribute to the filtering response and directive radiating performance simultaneously within a close element spacing. Not only does inducing 4 days ago · The document provides a brief guide on building a compact dipole antenna appropriate for the 40, 80, and 160-meter amateur radio bands. The dipole antenna array is placed on one of the two re-distribution layers in the fan-out eWLB (embedded Wafer Level Ball Grid Array) package. To minimise the total size of the LPDA antenna, variants of top-loading techniques are utilised, and a much smaller spacing factor is opted to specify the spacing between the elements. The proposed antenna consists of a pair of crossed dipoles, a double three-quarter rings with a 90° phase shift, four split rings resonator and four parasitic patches. By etching four parallel transverse slits in the surface of the antenna, the current p The Mosley Mini series is the answer to the antenna space problem, while giving you great performance and durability. Some of the most widely used antennas for sensing applications are dipole antennas and their folded-dipole counterparts, particularly because of their simplicity, low cost, compact size, well-defined radiation properties, omnidirectional coverage, and simple analysis and design. Compare with the related early work, the dipole antenna is not merely a multi-band design, but also, a miniaturize result. Oct 3, 2022 · In this article, a compact wideband semi-elliptical dipole antenna for boat-borne ground penetrating radar (GPR) is presented. Jun 24, 2022 · A compact dual-wideband millimeter-wave magnetoelectric (ME) dipole antenna based on dual-mode operation is proposed in this article. The prototype size is (length width). Each band tunes independently of the others. At first, by introducing a strip on the bottom layer of microstrip magnetic dipole antenna, the electric current sources are introduced for the enhancement of beamwidth together with the magnetic current source. Furthermore, a broadband CP filtering array with high selectivity is implemented utilizing the proposed radiating element. 5-Band, 1/2 wave rotatable dipole for 40/20/15/10/6 meters! Or operate on multi-bands with compact rotatable dipole antennas or cutting-edge DX Engineering hexagonal antennas. Nov 7, 2024 · A pattern-reconfigurable, compact, wideband filtering directive dipole antenna enabled with mixed couplings is presented. Bushcomm Horizon 6. Includes a pole clamp for easy installation in vertical or horizontal positions. In this design, two novel L-shaped short stubs working as th Oct 29, 2021 · This work aims at realizing an antenna with a stable radiation pattern for base station applications. Sep 21, 2021 · A novel compact magneto-electric (ME) dipole antenna with size of 0. This antenna is made for the Ham operator that is looking for a compact dipole antenna to work on 80M. 55 to 9 GHz with high measured gain is proposed to be implemented in a reverberation chamber as a source antenna. 13λ0 (where λ0 is the free-space wavelength at the centre f Jun 17, 2024 · This paper presents a compact wideband circularly polarized cross-dipole antenna with a low-pass filter response. This compact, lightweight antenna operates between 144-146MHz, supports 500 watts, and ensures optimal signal quality with a VSWR of 1. 303 See Otheropenresty Sep 27, 2022 · A novel circularly polarized (CP) substrate integrated magneto-electric dipole (MED) antenna has been designed for appropriate wireless communication. This dipole antenna results in end-fire radiation. The paper presents a This article presents a design of a compact wideband filtering dipole antenna with an omnidirectional radiation pattern. Even though the antennas are small in stature; they are 1 Introduction The design of antenna has been implemented in the frames of a research project to perform a directional (azimuthal) investigation of interference at HF. 16 λ0 × 0. HDX-400 Auto-Tuned High Frequency (HF) Dipole Antenna System Click Here for Full Brochure Features: Compact Design - Perfect for Applications where space is limited & Antenna Performance is Critical Quick Deployment for Emergency Services & Military Applications Rugged Design - All components are UV and Wind Rated for Fixed Base Stations Designed and Assembled in Australia Heavy Duty Housing 3 days ago · This Forum Users [IEEE] A Compact Circularly Polarized Filtering Dipole Antenna With Co-Layered Printed Ring Structures Copy jaivikneshvembu Post time 4 min. The proposed dipole antenna is etched on three assembled substrates. While, the radiation pattern in the operating band is not change too much against conventional dipole antenna one. The coupling stub is equivalent as a combination of a dipole- c and dipole- y . Indeed, after explaining the classical dipole antenna, we will show how to miniaturize this kind of antennas based on shape design such as bending, folding and meandering. To measure the gain and reflection coefficient (S11) of the antenna, an impedance Jun 20, 2020 · A compact K/Ka-Band dipole antenna element with ball grid array packaging is proposed. A new method of designing compact dipole antenna based on surface polarized plasmon (SPP) structure, is proposed in this paper. The proposed antenna configuration has a 45° angled printed dipole that provides wide frequency coverage while maintaining compactness. rgpkbr chokmu osxucqd ogos xzzfu ehifam zlc wnmuek tpcfgho pnkdnr