Circuit Design Jobs

Circuit Design is the process of designing electrical circuits to create a complete electronic system. A Circuit Designer is responsible for designing circuits, testing the board and components through simulations, troubleshooting any errors, and even prototyping the board by manufacturing a few before completing the entire circuit accurately. Through this intricate process, a Circuit Designer will be able to optimize the design with their expertise and creative talent to push out an efficient product.

Circuit Designers are knowledgeable engineers with a high level understanding of electronics engineering and components that can be used in a circuit. They also possess analytical skills as they must be able to calculate loads, power consumption and sophisticated circuit architecture that involves cause and effects to produce sound results. With extensive knowledge of hardware engineering, Circuit Designers are responsible for hardware selection, board sizing, and routing of signals.

Here's some projects that our expert Circuit Designer made real:

  • Automation systems built through electronic schematics
  • Electrical systems concepted through hand sketches
  • PCB designs implemented through industry standard software
  • High level radio networks designed through detailed concept papers
  • Power efficient circuits delivered with noise reduction features

These projects use both beginner and advanced electrical engineering techniques that our expert Circuit Designers are capable of delivering. With creativity, knowledge in engineering disciplines and product optimization experience, our Circuit Designers create reliable and innovative solutions for our clients’ projects.

We invite you to post your project on Freelancer.com so you can experience what our group of expert Circuit Designers have to offer. With their strong background in electronics engineering and creative problem solving, our freelancers can create dependable and optimized circuits for your project.

From 34,866 reviews, clients rate our Circuit Designers 4.85 out of 5 stars.
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    39 jobs found, pricing in CAD
    Analog Design Engineer -- 2 6 days left
    VERIFIED

    Analog Design Engineer I require an analog design engineer who is profiient in virtuoso. The task is related to the design if memory circuits like SRAMs, DRAMs and arithmetic circuits like Multipliers and adders.

    $12 / hr (Avg Bid)
    $12 / hr Avg Bid
    1 bids

    I am looking for an experienced electrical designer who can help me with an industrial project. Specific Electrical Design: - The project requires expertise in designing electrical systems for industrial purposes. Specific Requirements and Standards: - I have specific requirements and standards that need to be followed for the design. - It is important that the designer is familiar with these requirements and can ensure they are met. Project Timeline: - The project should be completed within 3-4 weeks. Ideal Skills and Experience: - Experience in industrial electrical design. - Knowledge of industry-specific requirements and standards. - Ability to meet project deadlines. - Strong attention to detail and problem-solving skills.

    $30 (Avg Bid)
    $30 Avg Bid
    18 bids

    I am seeking a freelancer to develop the schematic and the layout for a Raspberry Pi 4 Model B Hat with Power over Ethernet (PoE) functionality and DC motor control. The Hat needs to be space efficient, thus fitting within an optimized space, although specific measurements are not required. The development must use KiCAD as the schematic capture and layout tool (Altium is also acceptable and preferred 'if' the freelancer has access to it). I will provide: 1. List of written requirements (PDF and Excel) 2. A complete block diagram (PDF and Visio 2016) that the freelancer must follow 3. List of specific (major) components to use in the design (PDF and Excel) 4. Summary guidance on routing/layout to eliminate thermal or EMI pitfalls Skills and experience needed for this project...

    $625 (Avg Bid)
    $625 Avg Bid
    23 bids
    Circuit design 6 days left

    Project Title: Mixed Circuit Design I am looking for an experienced circuit designer to create a mixed circuit for my project. The circuit will require both analog and digital components. Application/Functionality: - I do not have a specific application or functionality in mind for the circuit. I am open to suggestions from the expert. Level of Complexity: - The circuit design should be of moderate complexity. Ideal Skills and Experience: - Strong knowledge and experience in mixed circuit design - Proficiency in both analog and digital circuit design - Ability to suggest and implement suitable applications or functionality for the circuit - Understanding of moderate complexity circuit design principles and techniques

    $24 / hr (Avg Bid)
    $24 / hr Avg Bid
    13 bids

    I am looking for an electronics designer to help me with a project involving the development of a medicine pill dispenser. Specific Requirements: - I have specific requirements for the electronics design that need to be met. Intended Purpose: - The electronic design will be used for research and prototype development purposes. Ideal Skills and Experience: - Experience in PCB design, circuit design, and firmware development - Knowledge of medical devices and regulations - Ability to meet specific requirements and adhere to project timelines - Strong problem-solving skills and attention to detail. If you have the necessary skills and experience, please reach out to discuss the project further.

    $1570 (Avg Bid)
    $1570 Avg Bid
    12 bids

    I am looking for a freelancer to design and create a single layer AC voltage dimmer module/PCB. The module should be able to handle an input voltage range of 0-220V and have the capability to handle a maximum output load of more than 500W. Ideal skills and experience for this job include: - Experience in PCB design and layout - Knowledge of AC voltage dimming circuits - Familiarity with handling high power loads - Ability to work with specific components as provided by the client

    $16 (Avg Bid)
    $16 Avg Bid
    5 bids
    circuit design 5 days left

    Circuit Design for Personal Project I'm in need of someone that can help me design n pcb board that has a esp32 and 4 relays and 4 max 6675 for thermocouples on it also has an output for a small LCD screen to add to the board attach is a file of an esp32 board with 4 relays basically just need to add the max 6675 and the LCD connector As well as a photo what I currently have Requirements: - Open to suggestions for specific circuit design - Intended for personal project use Ideal Skills and Experience: - Experience in circuit design for personal projects - Knowledge of analog, digital, and mixed-signal circuit design - Ability to provide guidance and suggestions for circuit specifications

    $194 (Avg Bid)
    $194 Avg Bid
    27 bids

    I am looking for an electrical engineer to create schematics for my project. The main focus will be on designing circuit boards. Here are the details: I will give you the drawings I made and you turn them into neat looking drawings for the instruction manual Show me how they should look, show examples of your work or how you think they should look They need to be easy to understand, but look professional Important: Generic replies will be ignored, please dont send me "I can do the job" generica. If the requirements are not addressed your response will be ignored. Thank you

    $104 (Avg Bid)
    $104 Avg Bid
    36 bids

    Develop logical equations based on given specifications. Design gate-level schematics to meet all specifications. Utilize CMOS logic to create transistor-level schematics for all logic gates. Calculate W/L ratios for each MOSFET based on transient performance. Determine mid-point voltage, rise time, and fall time for each unique logic gate. Calculate capacitances considering parasitic capacitance values. Prepare a floorplan for layout, considering gate locations, signal distribution, and pad locations.

    $24 - $203
    Sealed
    $24 - $203
    2 bids

    I am in need of a freelancer to design a small sensor board with the following specifications: Size: - The desired size of the sensor board is small, less than 5cm x 5cm. Purpose: - The primary purpose of the sensor board is data logging of GPS nd mems IMU togather on GPS timestamp Power source: - The sensor board will be using a battery as the power source. Skills and Experience: - Experience in sensor board design and miniaturization. - Proficiency in data logging and storage. - Familiarity with battery-powered devices and power management. - Knowledge of GPS and MEMS technology is preferred. The ideal freelancer for this project should have a strong background in electrical engineering and experience in designing compact and efficient sensor boards.

    $406 (Avg Bid)
    $406 Avg Bid
    8 bids

    I am looking for an Electrical Engineer expert to design a transformer 3 phase inverter for a commercial application. The project requirements are as follows: We are running into some issues with IR2110 and Mosfet burning and i want someone with some experience to help resolve the issue. Only bid if you have the requirement experience else your bid will be deleted

    $150 (Avg Bid)
    $150 Avg Bid
    23 bids
    Modify Arcade Light Gun 5 days left
    VERIFIED

    I have an old Namco Time Crisis light gun assembly (pictures) that I believe operates on 24V. I'd like the gun fitted with a USB re-chargeable battery and an on/off switch. The cable assembly can be removed, along with the internal electronics other than the trigger / solenoid components. In short, I want this to fire / cycle as it would in the arcade, albeit "wirelessly".

    $86 (Avg Bid)
    $86 Avg Bid
    3 bids
    OBD to OBDII PCB Adapter -- 2 5 days left
    VERIFIED

    Good morning, evening and afternoon from Australia. I am looking for a PCB Engineer who can create an OBDI to OBDII Adapter PCB for me to use. The ideal candidate should have experience in PCB design and be familiar with OBDI connectors from 2001 or earlier. Requirements: - Must understand that the OBDII Standard was not adopted in Australia until 2001 - Must own a Ford Festiva, regardless of the model - The adapter should be able to convert my cars OBDI port to OBDII. - I am open to suggestions for the PCB design, but I can provide specific requirements if needed. - The project timeline is flexible, and I am open to completing it at any time. Skills and Experience: - Must have Ford experience in Tuning ECUs. - PCB design - Knowledge of OBD connectors - Ability to work with provided spe...

    $38 (Avg Bid)
    $38 Avg Bid
    6 bids
    OBD to OBDII PCB Adapter 5 days left
    VERIFIED

    Good morning, evening and afternoon from Australia. I am looking for a PCB Engineer who can create an OBDI to OBDII Adapter PCB for me to use. The ideal candidate should have experience in PCB design and be familiar with OBDI connectors from 2001 or earlier. Requirements: - Must understand that the OBDII Standard was not adopted in Australia until 2001 - Must own a Ford Festiva, regardless of the model - The adapter should be able to convert my cars OBDI port to OBDII. - I am open to suggestions for the PCB design, but I can provide specific requirements if needed. - The project timeline is flexible, and I am open to completing it at any time. Skills and Experience: - Must have Ford experience in Tuning ECUs. - PCB design - Knowledge of OBD connectors - Ability to work with provided spe...

    $28 (Avg Bid)
    $28 Avg Bid
    14 bids

    I am looking for an experienced freelancer who can help me fault find a Printed Circuit Board (PCB). The main issue I am experiencing with the circuit board is that I am having power issues, connection issues, and component issues. Skills and Experience: - Deep understanding of circuit board design and troubleshooting - Proficiency in diagnosing and repairing faulty circuit boards - Excellent knowledge of electronic components and their functions - Ability to explain and teach how to diagnose faulty boards Deadline: - The project needs to be completed within 1 month.

    $220 (Avg Bid)
    $220 Avg Bid
    33 bids

    I need design of PCB based on research paper, I will send the details to the suitable designer.

    $119 (Avg Bid)
    $119 Avg Bid
    25 bids

    I am looking for a freelancer who can design a 4 quadrant transimpedance amplifier PCB for my project. The details of the project are as follows: Bandwidth: - The desired bandwidth of the transimpedance amplifier is less than 1MHz. PCB Size: - I do not have a specific size specification for the PCB. Standard size is fine for my requirements. Power Supply Voltage: - The preferred power supply voltage for the PCB is 5V-10V. Skills and Experience: - Experience in designing transimpedance amplifiers with a bandwidth of less than 1MHz. - Proficiency in PCB design and layout. - Knowledge of standard PCB sizes and specifications. - Familiarity with power supply voltage requirements for electronic circuits. - Attention to detail and ability to meet project specifications. If you have the nece...

    $151 (Avg Bid)
    $151 Avg Bid
    5 bids

    Analog Circuit Simulation Project I am in need of an experienced freelancer who can assist me with an analog circuit simulation project. The project requires expertise in AC, DC, and transient analysis. Specific Requirements: - Ability to conduct AC analysis, DC analysis, and transient analysis for the circuit - Familiarity with LTSpice software for the simulation - Experience in designing and simulating analog circuits Ideal Skills and Experience: - Proficiency in LTSpice software - Strong knowledge of AC, DC, and transient analysis techniques - Previous experience in designing and simulating analog circuits - Attention to detail and ability to troubleshoot circuit simulation issues If you possess the required skills and experience, and are familiar with LTSpice software, please submi...

    $138 (Avg Bid)
    $138 Avg Bid
    7 bids

    I am looking for an expert in LT Spice and Cadence Virtuoso who can assist me with a project involving both simulation and design of electronic circuits. The ideal candidate should have intermediate level experience and knowledge in these software tools. Skills and Experience Required: - Expertise in LT Spice and Cadence Virtuoso - Experience in both simulation and design of electronic circuits - Intermediate level of complexity in project understanding and execution

    $103 (Avg Bid)
    $103 Avg Bid
    5 bids
    PCB Component Layout EasyEDA 4 days left
    VERIFIED

    I am looking for a freelancer who can assist me with the PCB component layout using EasyEDA. The project involves the following requirements: Size of the PCB: Medium (up to 10cm x 10cm) Components: I have a list of specific components that need to be incorporated into the PCB. Layout preference: It's up to the designer to come up with the best layout for the components. Ideal skills and experience for this job include: - Proficiency in using EasyEDA for PCB component layout - Knowledge of different circuit board sizes and their limitations - Ability to work with a list of specific components and integrate them into the layout - Creativity and problem-solving skills to come up with an efficient and functional layout - Good communication skills to understand any requirements or con...

    $40 (Avg Bid)
    $40 Avg Bid
    31 bids

    We have a control board using the DSPIC micro controller. We want to replace it with texas DSP. keeping all prefrals as is for connectivity to the system, OLD PCB file is attached,

    $121 (Avg Bid)
    $121 Avg Bid
    12 bids

    I need a small-scale PCB design for an IoT project that integrates an ESP32-C6 chip, a power converter for up to 24VDC input, and a TTL communication module. The goal is to reduce the number of components to optimize for production and ensure the design is thermally suited for encased settings. The final output should include KiCad designs, GERBER files, a Bill of Materials (BOM), and detailed plans for prototype fabrication with vendors like PCBWAY, JLCPCB, ALLPCB, or others. This PCB design will evolve from an existing breadboard prototype using the ESP32-C6-DevKitC-1.

    $45 / hr (Avg Bid)
    $45 / hr Avg Bid
    38 bids
    PCB board design 4 days left
    VERIFIED

    I am in need of a PCB board design for a consumer electronics project. The size of the PCB board is about 1 inch by 1.5 inch. (or the smallest practical size) I am looking for a freelancer with experience in KiCad software to complete this project. The board will be used for a TENS (transcutaneous electrical nerve stimulation) -which is a small, battery-operated device that has leads connected to small pads - electrodes. You attach the pads directly to your skin. When the machine is switched on, small electrical impulses are delivered to the affected area of your body, which you feel as a tingling sensation. The board will have a programmable processor to manage the electrodes and current and it will have bluetooth to connect and transfer data to a mobile device, so some discussion will ...

    $628 (Avg Bid)
    NDA
    $628 Avg Bid
    21 bids
    Reproduce PCB from Image 4 days left
    VERIFIED

    I am looking for a skilled freelancer to reproduce a PCB design from an image. The complexity level of the PCB design is moderate. I do not need help sourcing the components, but I do need a list of the required components. The project has a specific deadline and needs to be completed within two weeks. Ideal Skills and Experience: - Experience in PCB design and replication - Proficiency in PCB design software - Ability to accurately reproduce a design from an image - Knowledge of component sourcing and creating a list of required components - Ability to work within tight deadlines and deliver high-quality results I will provide a PCB image and I want the schematic to be reproduced. it is a single layer PCB that is not huge.

    $610 (Avg Bid)
    $610 Avg Bid
    47 bids

    I am looking for a skilled electrical engineer to design a circuit diagram for a data receiver and transmitter for industrial automation purposes. The circuit should be able to transmit short-range data, specifically bar code scanner data. Skills and Experience: - Strong knowledge and experience in designing circuit diagrams for industrial automation projects - Proficiency in wireless communication technologies - Familiarity with short-range data transmission protocols - Understanding of bar code scanner data transmission methods - Attention to detail and ability to ensure reliable and accurate data transmission Please provide examples of previous circuit design projects that demonstrate your expertise in these areas.

    $17 (Avg Bid)
    $17 Avg Bid
    7 bids

    Project Description: Circuit and PCB design for a simple analog amplifier project Requirements: - Power output of the amplifier should be less than 10W - Preferred type of circuit design is analog - No specific components or brands preference Ideal Skills and Experience: - Strong knowledge and experience in circuit and PCB design for audio amplifiers - Proficiency in analog circuit design and optimization - Familiarity with designing low-power amplifiers - Ability to select appropriate components for the project without specific brand preferences - Experience in creating PCB layouts that optimize performance and reduce noise Deliverables: - Circuit design schematic - PCB layout design files - Bill of materials (BOM) with recommended components - Design documentation and technical specif...

    $630 (Avg Bid)
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    44 bids
    Electrical engineer 4 days left
    VERIFIED

    I have a machine at home that I need to get fixed. The power blew out and I changed the fuse, but nothing comes on. I’m trying to hire someone to help me fix this machine before I throw it away.

    $74 / hr (Avg Bid)
    Local
    $74 / hr Avg Bid
    4 bids

    I am looking for a skilled freelancer who can design an analog circuit with fusion 360 electronics. The purpose of the circuit is to generate an analog output signal -10 to +10V and 0 to 20mA from a DCA outptu 0..3.3V, and it should have high precision. The desired size or form factor of the circuit is medium-sized. Skills and experience required: - Strong knowledge and experience in designing analog circuits - Proficiency in using fusion 360 electronics - Ability to design circuits with high precision - Familiarity with medium-sized circuit design and form factors German is a big plus!

    $572 (Avg Bid)
    $572 Avg Bid
    17 bids

    I am looking for an experienced Verilog coder to help me design a simple digital circuit. I have a rough idea of what I want the circuit to do, but I am open to suggestions and input from the freelancer. The ideal candidate should have experience in designing digital circuits using Verilog and be able to work with a simple level of complexity.

    $108 (Avg Bid)
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    10 bids

    I am seeking experts in Microwaves and radio transmissions for an exciting project that requires both specific expertise. The main objective of this project is problem solving, and the timeline for completion is less than 15 days . Ideal skills and experience for this job include: - In-depth knowledge of Microwaves and radio transmissions - Strong problem-solving skills - Experience in conducting research and product development - Ability to work within tight deadlines and deliver high-quality results.

    $169 (Avg Bid)
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    22 bids
    pcb design 2 days left
    VERIFIED

    I am looking for a skilled PCB designer who can assist me with creating a double-layer PCB design. Key Requirements: - Experience in designing double-layer PCBs - Proficient in using PCB design software - Attention to detail and accuracy in the design process The project also requires the creation of a prototype based on the PCB design. Key Requirements: - Ability to create functional prototypes - Familiarity with prototyping tools and equipment The size and complexity of the PCB design is small and simple. Key Requirements: - Understanding of small-scale PCB designs - Ability to optimize space and minimize complexity If you have the necessary skills and experience, please submit your proposal and provide examples of your previous PCB design projects.

    $60 (Avg Bid)
    $60 Avg Bid
    25 bids
    pcb designer 2 days left

    I am looking for a PCB designer with experience in moderate complexity designs. The project involves designing a mixed signal PCB using a combination of analog and digital components. The expected turnaround time for the project is 1-2 weeks. Skills and experience required: - Strong knowledge and experience in PCB design - Experience with mixed signal designs - Ability to work on projects with moderate complexity - Efficient time management skills to meet the 1-2 week turnaround time

    $120 (Avg Bid)
    $120 Avg Bid
    17 bids

    I am looking for an experienced electrical designer to assist me with power distribution design for my small projects. I will need help with right from concept development. The deadline for this project is within a month. Ideal Skills and Experience: - Proficient in power distribution design - Strong knowledge of Industrial electrical systems and components - Ability to develop concepts based on project requirements - Experience working on small projects with tight deadlines - Attention to detail and ability to ensure compliance with electrical codes and standards

    $400 (Avg Bid)
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    23 bids

    I am looking for a freelancer who can design a 3 phase drive panel for 3 conveyors with VFD drives. The project requires the following skills and experience: Power Supply: - The drive panel should be designed for a three-phase power supply. - With a 24v control circuit Conveyor Specifications: - The conveyors have standard specifications, so the design should be based on these standards. - The 3 VFD's are as follows 1 x 380-480v 50Hz 3ph 3.5a 0.75kw (optidrive e3 ode -3-140022-3F12) 2 x 380-480v 50Hz 3ph 1.9a 0.37kw (optidrive e3 ode -3-140012-3F12) Documentation: - The client requires electrical schematics for the panel design. Ideal Skills and Experience: - Experience in designing drive panels for conveyors with VFD drives. -...

    $279 (Avg Bid)
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    25 bids

    I am looking for a skilled PCB layout and design expert who can assist me in creating a schematic or circuit diagram for a multi-layered PCB. The intended application of the PCB is for industrial equipment. Requirements: - Must use Altium Designer. - Proficiency in PCB layout and design - Ability to create a schematic or circuit diagram - Strong knowledge of multi-layered PCBs - Experience in designing PCBs for industrial equipment Most tasks will involve editing already working designs, so format and style must be maintained.

    $46 / hr (Avg Bid)
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    48 bids

    I am looking for an electronic engineer who specializes in circuit design. Specifics: - The project requires the creation of a circuit design based on clear specifications that I have provided. - The functionality of the circuit design must meet the requirements outlined in the specifications. Timeline: - The project has a timeline of more than 4 weeks, allowing for thorough development and testing. Ideal Skills and Experience: - Strong knowledge and experience in circuit design. - Proficiency in using electronic design automation (EDA) tools. - Familiarity with PCB layout and design. - Ability to troubleshoot and debug circuit designs. - Attention to detail and the ability to follow specifications accurately. - Effective communication skills to discuss progress and provide updates t...

    $2744 (Avg Bid)
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    40 bids

    I am in need of an experienced electrical diagnostic expert to troubleshoot and resolve an issue with my industrial equipment. The specific problem involves the control panel not powering on. This work must be done ON SITE in Northwestern Pennsylvania area. Requirements: - Expert knowledge in electrical diagnostics for industrial equipment - Ability to perform thorough troubleshooting on control panel and power connections - Experience in identifying and resolving power outage issues - Familiarity with circuit breaker tripping and flickering lights - Strong problem-solving skills to identify the root cause of the issue If you have the skills and experience necessary to diagnose and fix electrical issues with industrial equipment, please apply for this project.

    $77 / hr (Avg Bid)
    $77 / hr Avg Bid
    8 bids

    I am seeking to update an existing PCB design that incorporates a microcontroller (Electric Imp), motor controllers, and stepper motors. Assistance is required in troubleshooting a new design that has been adapted from a previous, functioning one. The new microcontroller in use is the Electric Imp 005 (). If this project aligns with your expertise, then share examples of your previous work in similar domains. This will provide me with the necessary assurance to discuss the specifics of the current design that requires troubleshooting.

    $667 (Avg Bid)
    $667 Avg Bid
    17 bids
    upgrade current PCB design 9 hours left
    VERIFIED

    I am looking for an experienced PCB designer to upgrade our current design for a consumer electronics product. It's called AUTO dialler. The current design is 25 years old, so components are getting very expensive. A new design is required to accommodate the use of more modern and cost-effective components. Specific requirements: - The current PCB design is used for consumer electronics, so knowledge and experience in this field is necessary. - I have a general idea of the upgrades I want, but I am open to suggestions and improvements from the designer. - The timeline for the project is long term, meaning it will take more than 2 months to complete. - The design has to meet the telemetry design standards - Add extra feature; fiber connection and sim card slot Ideal skills and exper...

    $1828 (Avg Bid)
    NDA
    $1828 Avg Bid
    47 bids

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