Helical antenna design hfss jobs
I have a critical need for an individual skilled in using ANSYS HFSS for 3D electromagnetic modeling. The main task would be to model and simulate a Frequency Selective Surface (FSS) bandpass filter. Key responsibilities would include: - Careful determination and configuration of the frequency range and center frequency. - Adjusting the passband bandwidth and achieving minimal insertion loss. - Ensuring the bandpass filter operates efficiently within a specified frequency range. Ideally, you'll have a strong grasp of electromagnetic theory, excellent skills in using HFSS, and a sound understanding of filter design. Having experience in bandpass filter design would be a distinct advantage. Please make your bid on this project, stating your experience.
Hi there, I'm looking for an expert in Arduino programming who can develop custom code. I have all the hardware including an Arduino Uno R4, a NEMA 17 stepper motor, an A4988 stepper motor controller, an RC522 RFID antenna, a 1602IIC LCD display, and push buttons. All of these components need to be connected to the same arduino. I need this system function as follows: - When the push button is pressed, the stepper motor will be moved X amount of steps in one direction after a delay of 1 second. At this time, the LCD display should display "Scan ID to Unlock". - When a registered and accepted RFID tag is scanned, the LCD will display "Tool Unlocked". When this happens, the stepper motor should be moved X amount of steps BACK to where it came from. - If ...
Raspberry PI CM4 carrier board design The project consist in the design of a CM4 carrier board whit specific requirements. All connections with ended with JST connectors, (except the antenna of the AIS, to be decided). The original idea is starting from a existing CM4 carrier board ‘open source’, and modify it to add/remove elements, also ‘open source’. Most of the requirements can be found in any CM4 carrier board available with a public license, for exampe CMIO from raspberry pi. Description of the elements, interfaces and other requirements follows • Maximum board size 100mmx200mm aprox. • Power souce 12v, protected and converted to other DC (present in CMIO) • USB-C with mini USB conector for programming (pres...
I require an experienced designer to craft an attractively ...working professionals (engineers) -Create engaging visuals that can potentially provoke interest and stimulate market demand Specifications: One side of the flyer should be focused on this product: The other side should be focused on this service: Size: 5.5" x 8.5" (two-sided) Ideal Skills: -Proficiency in Adobe Suite or similar design software -Experience in creating marketing materials targeting working professionals -Knowledge of color theory and typography will be a plus -Understanding of the dynamics and preferences of the professional demographic
...External antenna connectors SMA - 1 X Power LED for CM4 - 1 X Activity LED for CM4 - 1 X Multicolour LED for signal strength of mobile module. - The carrier board should be made as small as possible. Skills and experience: - Freelancers interested need proficiency in electronics and PCB design, along with a deep understanding of Raspberry Pi Compute Module 4. Experience in custom carrier board design and SIM7600 or equivalent 4G mobile module that works in Australia on Telstra also required. The freelancer would be expected to have sample units manufactured and tested for functionality (third party manufacturer ok - Cost will be paid by me). - Applicants able to design user friendly configuration of the mobile module would be highly desirable. - An...
Detailed description of services provided: RF Test Analysis: We will begin with an in-depth analysis of the RF test results provi...provided, to understand your antenna's current performance and identify areas for improvement to meet CE-RED and FCC certification requirements. Antenna Redesign: Following our analysis, it is clear that a revision of the antenna design is required to reduce transmit power at the 7217.00 MHz frequency. We therefore propose to redesign the antenna by adjusting its dimensions to achieve the required transmit power levels. Antenna import: If you already have a simulation file, we can import it directly into HFSS to speed up the redesign process. Otherwise, please provide us with your PCB's Gerber file, from wh...
I am looking for an experienced antenna design expert who can help me in designing a parabolic antenna, specifically for satellite communication in the Ka frequency band. Key requirements: - Designing a Parabolic Reflector Antenna: Design the parabolic antenna starts from the 1m diameter requirement then find the edge taper and other related parameters based on the optimal aperture efficiency. Use the cosine q model to derive the edge taper requirement and find the other parameters as well using the characteristics equations of parabola especially offset parabola. All design equations must have proper reference where the equation taken from. better use balanis book - after finding the edge taper requirement need to find the feed requiremen...
I'm looking out for expert assistance to set up my Ubiquiti PowerBeam Point-to-Point connection. Key...PowerBeam Point-to-Point connection. Key details about the project: - The two locations are less than a mile apart. - There is mostly a clear line of sight between the two locations with just one tree partially blocking. - My goal is to achieve an internet speed of 10 Mbps. - I have successfully connected to my Powerbeam when I first connected it. However, now that I have put the dish up on my antenna pole I am no longer able to connect to it. The perfect candidate for this project should have proven experience in setting up Ubiquiti PowerBeam and knowledgeable about Point-to-Point connections. I'm eager to get this project off the ground, setting up a reliable conn...
I'm in need of a skilled antenna designer to create a GPS directional (Yagi, Vivaldi ....) Printed Circuit Board (PCB) antenna specifically designed for GPS applications. Key Requirements: - The antenna should support GPS L1 1.57542GHz for optimal GPS functionality. - The design should be compact . Ideal Skills and Experience: - Proven experience in designing UHF PCB antennas. - Prior projects related to GPS antenna design would be a significant plus. If you've got expertise in this area, I'm eager to hear from you and potentially kick-start our collaboration.
We are seeking an antenna specialist to design a PCB antenna with a working frequency of 2.4 GHz. We've already produced several PCBs. RF communication works well, but we need to tune the antenna to meet RF tests (CE-RED and FCC certification).
...PCB designer for a multi-layer PCB design project. The primary requirement is to create a design using Eagle software, include RF antenna functionality. • Ideal skills: - Extensive experience in multi-layer PCB design - Proficiency with Eagle PCB design software - Familiarity with RF antenna concepts This PCB will not perform signal processing, power management, or data communication, but rather focuses primarily on the RF antenna functionality. Basically it will send sine wave upto 1000 sqft and the frequency of our bidders will have prior experience in similar tasks. Consequently, please prepare your portfolio showcasing your understanding and execution of such concepts. Your bid should reflect your capacity to deliver...
Looking for an RF expert that can give me a circuit of a Cheap easy to build circuit of an RF Amplifier that can transmit up to 150km line of sight with design of Antenna. This person will also present a simulation data showing that this works and everything is working as we intended.
I am in need of an RF engineer who has high standards when it comes to meticulous antenna design. The job highlights the development of a low frequency antenna that operates within the range of 300 to 1000KHz. Key Responsibilities: - Ideal candidate must deliver a complete low frequency antenna design - Anticipate and solve potential design issues Ideal Skills and Experience: - Expertise in RF circuit design - In-depth understanding of RF system performance analysis - Proficient in antenna creation with emphasis on low frequency operations. Your extensive work experience on similar projects will be highly beneficial. Ability to meet deadlines and remarkable problem solving abilities set you apart. Looking forward to your bids.
I need a skilled 3D CAD designer who is proficient in Fusion 360, with experience in product design. The project will involve creating 3D models specifically tailored for 3D printing. Changes: the wings that come off the pipe in the middle of the design need to have a helical on them. it is not a very big design or technical it only 75mm long and about 30mm wide quiet basic really Key Requirements: - Proficiency in Fusion 360: The ideal candidate should be well-versed in Fusion 360, as this will be the primary software used for the project. - Product Design Experience: Previous experience in product design is essential, as the focus of this project is on creating 3D models for physical objects. - 3D Printing Knowledge: A good understanding of 3...
I am looking for someone to develop an extended range RFID antenna for ISO 14443 A protocol that will interface to a Flipper Zero. Antenna and Flipper needs to operate at least upto 50cm but ideally 100cm. Antenna may need an additional driver stages and a battery pack to enhance the range. Anybody who sends me UHF RFID equipment or suggests it will be ignored. ISO 14443 A operates on 13.56 MHz (HF) looking for a Mifare Ultralite solution and EV1/EV2
Phased-array antenna (8xx-9xx Mhz) or equivalent Active Antenna technology that is software defined, is needed for RFID based passive tags precise RTLS application for a POC we are doing. You may provide any of two options. 1. Source someone to help us find a suitable pre-built antenna system product/solution. 2. Help design a system that will work with an embedded system that is being developed. Software defined, controlled parameters like (not limited to) polarization, steerability, directionality, beam-forming, gain, etc. to have a precise RTLS solution. The scope for area covered, accuracy etc. needs to be defined jointly. the project will not be complete till the scope is achieved. The job is being posted hourly but once a reasonable scope is developed, a...
I'm in search of an experienced PCB designer. The main requirement of this extended project is expertise in incorporating Bluetooth wireless connectivity into PCB designs. The design will interface with a BLE sensor node. Let's collaborate and create an efficient design. Key Job Responsibilities: - Establish a PCB design with wireless Bluetooth connectivity - Ensure seamless interface with BLE sensor nodes Ideal candidates should have: - Extensive experience in PCB design & antenna design - Specific knowledge in Bluetooth technology - Prior work with BLE nrf52 chips.
I'm seeking an experienced electronic engineer to design an NFC antenna coil aimed specifically at physical access control via smartphones. The design should meet all the essential criteria for wireless communication and smartphone compatibility with a primary focus on advancing security protocols. Key Requirements: - Deep understanding of NFC and wireless communication - Familiarity with smartphone interfacing techniques, particularly in regards to access control - Understanding of physical access control principles and how they can be incorporated into the antenna design - Previous experience in designing for security and access control applications will be highly regarded. The ultimate goal is the creation of a coil design that can be...
...pdf Reference Development board: Create a Custom Personalized schematic incorporating the components listed, including the Rockchip RK3588 SoC and additional peripherals, you'll need to carefully consider the connections and power requirements of each component. Here's a basic outline of how you might design such a schematic: 1. Rockchip RK3588: - Connect the RK3588 SoC to the necessary power supplies, clock signals, and peripherals according to its datasheet. 2. 4GB/8GB RAM: - Connect the RAM module(s) to the RK3588 SoC's memory interface, ensuring proper signal routing and power connections. 3. eMMC: - Connect the eMMC storage device to the appropriate interface on the RK3588 SoC, typically
I need assistance with automating input into a web page using VB.Net (or C# with Visual Studio 2017 or higher). I have a mostly working sample in VB.Net, but I am struggling with automating the entry of an antenna type, which is facilitated by a dropdown menu. The specifics of my requirements are as follows: - Web Browser: The automation should be compatible with either Google Chrome or Microsoft Edge. - Handling Dynamic Elements: I am not positive about the need for the automation to handle dynamic web page elements. This will require some assessment or flexibility in the solution. The ideal freelancer for this project should have: - Proficiency in VB.Net or C# with Visual Studio 2017 or higher. - Experience with web page automation. - Knowledge of automating input through dropdo...
I'm looking for an expert in antenna simulation, specifically for a LPDA 470MHz - 700MHz system using MathWorks Antenna Toolbox. Your role would involve: - Crucial simulating of LPDA antenna system accurately - Checking and analyzing the Return Loss versus Size You should have experience with the Mathworks Antenna Toolbox and knowledge in LPDA antenna systems. A clear understanding of Return Loss vs Size in antenna system simulations is a must. Make your bid and let's get started!
I'm looking for an experienced electrical engineer to help design an UHF (Ultra-High Frequency) LPDA antenna. About The Project: - The primary purpose of this antenna will be to work in tandem with wireless microphones, of which I plan to operate between 1-5 at a time. The Ideal Candidate: - Has experience in RF engineering and antenna design - Is familiar with antennas operating in UHF frequencies - Has the ability to optimize antenna design for usage with wireless microphones Please only apply to this project if you meet the above criteria and feel confident you can successfully design an effective LPDA antenna in the UHF range.
...seeking an experienced RF design engineer to partner for lab project involving: Design of discrete circuit transmitter with specific RF performance requirement that shall be provided as needed. From the DAC output to RF frequency 5GHz. One stage up-conversion. modeling and simulation of the transmitter signal chain that provides performance details related to link budget RF chain analysis, inter modulation and harmonic distortion using RF/microwave circuit synthesis and simulation software for circuit board and subsystem designers called "Genesys" Desirable Skills and Experiences: - Proven experience in the field of electronics. - Expertise in RF circuit and antenna designing. - Knowledge of medium frequency range (1 GHz - 10 GHz) in RF circuit and a...
I'm looking for an experienced RF antenna designer to integrate an RF antenna into a mobile handheld device Ideal skills and experience: - Proven expertise in RF antenna design - Experience with wireless communication systems - Ability to work independently and deliver results promptly
Hi Tahir A., I noticed your profile and would like to offer you my project. We can discuss any details over chat.
I am seeking an expert in radio frequencies and telecommunication engineering to conduct an analysis of the line of sight for an RF antenna. The antenna will be positioned in a challenging mountainous terrain and is intended to have a range of more than 10 miles. Potential obstructions in this environment include trees, vegetation, built structures, and naturally occurring topographical features. The successful freelancer will be expected to: - Create detailed simulations or models of the projected RF signal propagation. - Identify any likely signal obstruction or degradation due to the identified features of the mountainous terrain. - Propose optimum positioning or other recommendations to maximize the antenna's functionality. Skills and Experience: - Telecommunicat...
I'm looking for someone experienced with Ansys or similar CFD software to design an extruder die that can create a multiple revolution helix. The perfect freelancer for this project will have a solid background in Computational Fluid Dynamics (CFD) and expert-level knowledge of Ansys or equivalent and some plastic extrusion understanding. Some critical aspects to consider in the modelling are: - High dimensional accuracy, while managing a linear velocity gradient across the width of the extrusion - A flat bottom and side walls, perhaps using co-extrusion as a way of delivering this - Some insight and design of tooling for handling the extrudate from the die as it solidifies into the helical column. Overall, this project requires a creative intuition a...
I require a structural engineer who can design the steel and metal drawings and calculations for a concrete staircase and entire house. The concrete curved staircase has been installed but is vibrating and shaking. The engineer will need to find the cause of this issue and provide a remedy to fix the vibrations. The engineer will need to provide structural drawings and calculations of staircase structure. We are adding a a concrete landing on the first floor. The engineer will need advise what steel is required for this. The engineer will need to provide structural drawings and calculations of the whole house steel. I need this job to be completed within 1 week.
I'm seeking an antenna engineer with strong experience in UHF RFID applications to design a Circularly Polarized Modified Minkowski Fractal Based Antenna. Key details: - The antenna should be capable of long-range (5+ meters) readability. - The antenna is needed for both indoor and outdoor UHF RFID reader applications. Ideal Skills: - Expertise in antenna design - Strong knowledge of UHF RFID systems - Proven experience with indoor and outdoor application of antenna technology In your proposal, be sure to discuss: - Your experience with similar projects - Your approach to the challenge this project presents.
...Responsibilities: Design and develop RF components and subsystems for radar systems. Conduct system-level analysis and simulations to optimize radar performance. Perform RF testing and validation to ensure compliance with specifications. Collaborate with cross-functional teams, including hardware, software, and systems engineers. Stay abreast of emerging technologies and industry trends in radar systems. Requirements: Bachelor's degree in Electrical Engineering, RF Engineering, or a related field. Master's degree preferred. Proven experience in designing and developing radar systems, preferably in automotive industries. Proficiency in RF simulation tools such as ADS, CST, HFSS, or similar. Strong understanding of radar principles, including waveform design...
Design of four legged tower according TIA-222G code in MS Tower software. Available material list, tower geometry, location for wind loading, antenna configuration is already provided. After analysis and design the tower structural members will be finalized. Based on reaction anchor bolt, base plate will be design. A design report, anchor bolt, base plate drawings and line diagram (member sizes and Connection bolt) will be provided. This is the milestone one. After completing the first milestone we will proceed for detailed drawings. At this stage we will model this tower for drawing generation. Detailed tower fabrication and erection drawings will be provided. This is the second and final milestone.
I am looking for a structural engineer who can calculate the load and steel required for a concrete helical curved staircase. The staircase has already been installed however the staircase has deflections and vibrations when it is walked on. The engineer will need to calculate how to strengthen the steel beams to support the weight of the staircase to avid any movement in the staircase.
Antenna design at 150 to 700 mhz at 350 usd
Help us to create an innovative cargo container that redefines functionality and sustainability. This project entails crafting the exterior and interior of a cutting-edg...stations on one of the battery sides, Solar panels on top, 4 7-feet sunbrella units in-front which has charging ports and where people can sit and work too. It will also have a Starlink wifi antenna on one top corner, and CCTV camera on another. Will have flood lights infront. Going forward, we will also design the 10-feet and 20-feet design if we like your design with some downgrades. We need a very realistic output and renderings, along with the 3D CAD model for our use to implement it. Need professional architect and industrial designer who is well versed with technology use also and not ...
I'm in need of a professional to model and analyze cellular networks specifically focusing on coverage, signal strength, and performance analysis. My project primarily involves the simulation of figure 3 (a) from a certain academic paper. Key project details include: 1. Modelling Aspects: - Antenna locations - Coverage area boundaries - Signal strength variations 2. Analysis Aspects: - Coverage and signal strength - Interference and performance analysis 3. Measurement Metrics: - Signal-to-Noise Ratio (SNR) - Path loss and fading effects The ideal candidate will bring an understanding of signal propagation, network modeling, and have experience in cellular network simulation. An understanding of the mathematics and physics behind signal strength variat...
The project consist in the design of a CM4 carrier board whit specific requirements. All connections with ended with JST connectors, (except the antenna of the AIS, to be decided). The idea is starting from a existing CM4 carrier board ‘open source’, and modify it to add/remove elements, also ‘open source’. Most of the requirements can be found in any CM4 carrier board available with a public license. Description of the elements, interfaces and other requirements follows • Maximum board size 100mmx200mm • Power souce 12v • USB-C • Ethernet • CANBUS (Can provide design sources) • PCIe • SD card slot • LVDS signal + backlight (Can provide design sources) • M...
...designer to prepare drawings for a 10-20 meter high inflatable tower antenna. The purpose of the antenna is for radio communications, broadcasting, and surveillance. - Requirements & Conditions The drawing must showcase the tower's resilience, ensuring functionality despite not having specific conditions it needs to withstand. Inventiveness and creativity in design are highly valued, and your expertise in interpreting technical specifications is vital. - Skills and Experience Ideal candidates should have a background in engineering or a relevant design discipline. Product design experience is a bonus, particularly with inflatable or antenna-based products. Understanding of materials selection in relation to product design w...
I am seeking professional help from a MikroTik expert. My primary objective is to enhance my internet speed connected through MikroTik RBLHGR&R11e-LTE6. Key Tasks to be performed: - Provide step-by-step support for the set-up of the MikroTik RBLHGR & R11e-LTE6 device physically. - Facilitate the calibration of the antenna to achieve the highest possible speed. - Set up correct port forwards and resolve the current issues related to it. Needed Skills and Experience: - Extensive experience in setting up and handling MikroTik devices. - In-depth understanding of network configurations and port forwarding. - Expertise in addressing internet speed and connection related problems. My goal is to start with the software and finish with physical setup. I can spend 1-2 hours ...
I am seeking a knowledgeable individual who specializes in antenna theory and electromagnetism. We’re facing some challenges that need immediate attention.
I'm looking for an expert on Ardupilot and First-Person View (FPV) setup for a fixed-wing aircraft. **Main Tasks** - Assist in configuring an Ardupilot for a Tailsitter design fixed-wing aircraft. Your extensive knowledge of autopilot systems for unmanned aerial vehicles (UAVs) is needed to ensure a successful flight control. - Helping to set up an FPV system with a focus on enhancing live video density. This includes selecting the right equipment, antenna configurations, and optimizing for the best live video feed. **Key Skills** - Proven experience with Ardupilot configuration - Knowledgeable in Tailsitter design - FPV system setup expertise - Experience in optimizing live video density Be prepared to share previous works and samples. Looking forward to wor...
...of an expert in Antenna design with a focus on 5G solutions. I'm aiming to develop a compact multiband antenna that meets the following specifications: - Physical dimension: The antenna should not exceed 10 to 20 cm. - Material: The usage of Metallic materials is preferred for construction. - High gain performance: The design should offer exceptional gain performance. It should be done in Ansys software or cst studio software. Ideal candidates for this job will have significant experience in small antenna design, with a focus on those used in 5G applications. Prior experience with designing antennas using metallic materials and an understanding of size constraints in antenna designs would also be of benefit. This project will...
I am seeking an experienced animator who can produce an engaging 1-2 minute video, demonstrating the process of installing network repeaters in a building. Using a balanced approach, the video should equally highlight both the technical installation procedures as well as the diagrammatic representation of antenna and cable layout. Key Responsibilities: - Develop an animated video with clear visualisation of the process of network repeater installation - Illustrate the location of 11 antennas on the rooftop - Demonstrate the extension of the cable from the rooftop to the electric room on each floor. then, extend the cable from repater in Electric Room to the Offices Ideal Skills and Experience for this Project: - Proficiency in creating motion graphics - Experie...
Make an infographic about the distinctions between LMR-100 and RG-174 coaxial cable types. LMR-100 and RG-174 are coax types for antenna cables. This contest will have multiple winners (approximately ten winners will be chosen). Secondary winners will receive typically $20 for their entry. Each of all the winners gets their own feedback. The infographic can show some or all of the following information: 1. The differences in attenuation (signal loss) for each of the two types. 2. The bend radiuses of each of the two types 3. Diameter / thickness of each of the two types. 5. Shielding characteristics of each 6. Any other distinguishing information that you can find that makes the graphic more interesting is fine. I will choose some winners that are more complex and som...
...patterns (helical and lattice) with modifications across five variables (e.g., strut thickness, overall diameter). FEA: Theoretical analysis to evaluate design integrity and performance. Documentation: Includes a simple screen recording of the modeling process and a written rationale for design choices. Key Notes to Freelancers: Academic Project: This is a university project aimed at exploring the potential of BVS designs. Perfect execution and real-world functionality are not expected, but the theory behind design choices should be logically sound and well-explained. Flexibility: Given the academic nature, there's flexibility in design perfection and functionality. The focus is on demonstrating understanding and application of design prin...
I am seeking a freelancer with a strong background in Signal Generator & Radio Frequency (RF) amplification/antenna design for a project I am working on. The goal of this project is to design a signal generator and RF amplifier that can be adjusted between 42-45 kHz ±0.1kHz with adjustable output power ranging from 1-5 Watts ±0.1W. Additionally, it would require the design of a base or center-loaded antenna approximately 3 meters in length. The power supply should be able to function with 120VAC 60Hz. This project needs someone with the following skills: - Frequency generator design - Knowledge of RF amplifier design - Proficient in antenna design, specifically prioritizing compactness - Understanding of ele...
We offer tech products across the entire South African region. Most customers inquire about the installation of the product. We are looking for a partner who can conduct installations throughout South Africa. The product in question is a Mobile Signal Booster. Installation process: Mounting the antenna on the roof. Connecting cables to the antenna and bringing them inside the property. Connecting the cable to the head unit of the product. Connecting an additional cable and antenna for internal use. This is the basic installation scheme. Some businesses may require a more complex installation. We are ready to start working with a partner as soon as possible. All regulations, payments, and contracts will be managed through a freelance platform.
I'm seeking top-of-the-line engineers who are fervently skilled in antenna design, particularly in the mm-wave frequency band (24–31 GHz). My primary aim is to create a semi-flexible two-port (MIMO) antenna with dual (CP) specifically tailored for wearable applications in biotechnology. Key Features Required: - Small size: The antenna must be compact to be comfortably worn and integrated into the biotechnology devices. - High efficiency: Without compromising its size, the antenna should powerfully perform its functions. - Wide bandwidth: To ensure the seamless connection and representation of data, the antenna should are capable of covering a broad frequency range. Transmission Distance: - The designed antenna's transmission dis...
