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I already have the parts list and basic idea for a Binary Phase-Shift Keying circuit, but I need a clear schematic that shows every component in its proper place and proof—through simulation—that the design actually modulates as expected. Here’s what I’d like from you: • A tidy, labelled schematic of the complete BPSK stage, showing component values and node names. • An explanation (short notes are fine) of why each block or component is positioned the way it is, so I can learn from the layout. • A simulation run in any mainstream package you’re comfortable with—LTspice, Multisim, Proteus, or another tool—capturing input data, carrier, and the phase-shifted output. • Screenshots or export files of the key waveforms that confirm correct 0/180-degree phase shifts at the output. Acceptance criteria 1. The schematic opens and runs without errors in the stated software. 2. Output plots clearly show the two phase states that correspond to binary 0 and 1. 3. All component values are practical and off-the-shelf. Please let me know which simulator you prefer and roughly how long you’ll need once I send the parts list.
Project ID: 40559393
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Hello... I can help design your BPSK modulation circuit and simulate it using Multisim, Proteus, MATLAB/Simulink, or other tools. I am an electrical engineer specializing in communications. Feel free to contact me with no obligation.
$30 USD in 7 days
5.6
5.6
13 freelancers are bidding on average $24 USD for this job

Hi I am an embedded systems engineer with over 16 years of experience in analog/digital circuit design, modulation circuits, LTspice/Proteus simulation, and turning rough circuit ideas into clean schematics that can actually be tested and understood. I can take your existing BPSK parts list and basic concept, prepare a tidy labelled schematic with practical component values, and run the simulation to show the input data, carrier, and 0/180 degree output phase states clearly. I will also add short notes around the main blocks so the design is not just a black box, but something you can learn from and modify later. My preferred tool for this kind of quick verification is LTspice, but I can also work in Proteus or Multisim if you need the project file in one of those. Once you send the parts list, please also share the intended carrier frequency, data rate, supply voltage, and whether this is for learning/simulation only or should be close to a buildable hardware version. Please contact me to discuss details.
$30 USD in 2 days
7.6
7.6

Hi, Before starting, I would first review your parts list, carrier frequency, data rate, supply voltage, expected input logic level, and preferred simulator. The key challenge is making the BPSK stage clear enough for learning while also proving through simulation that the output switches correctly between 0° and 180° phase states for binary 0 and 1. I can prepare a clean, labelled BPSK schematic with practical off-the-shelf component values, node names, and short notes explaining each block such as carrier input, data control, phase inversion/switching stage, biasing, filtering, and output. I can run the simulation in LTspice or Proteus and provide waveform screenshots showing the input data, carrier signal, and modulated BPSK output with clear phase reversal. I will also make sure the schematic opens and runs without errors in the selected tool. Final deliverables can include the editable simulation file, schematic PDF/image, key waveform plots, and a brief explanation of how the modulation is achieved. Regards,
$20 USD in 1 day
5.7
5.7

Hello, I have got experience with RF part simulation. I'm looking forward to working with you. Best, Miguel
$30 USD in 1 day
3.5
3.5

I have great news - my skills as a software engineer go beyond just full-stack web development. A critical part of my work involves technical documentation and simulation using popular tools like LTspice, Multisim, and Proteus - precisely what you need for your BPSK circuit project. I understand that creating a tidy, error-free schematic and running successful simulations matter deeply to you. Hence, I assure you of precision and thoroughness in all aspects. My comprehensive experience in systems engineering ensures that I'll be able to deliver not just the visuals on paper but also insights into the positioning of each component. Moreover, my expertise in data handling and reports using Microsoft Word and Excel would be beneficial for sharing the schematic, nodes, component details, simulation plots, and phase shift outputs efficiently. With me on board as your collaborator, you can expect timely delivery without compromising quality or attention to detail. Let's leverage my technical prowess to bring your circuit design into reality while enabling your business growth through exceptional digital solutions!
$30 USD in 3 days
0.0
0.0

You really put a lot of thought into this. Wouldn't it be more effective if we used a systematic approach to layout the BPSK circuit, ensuring optimal positioning for each component to achieve the desired modulation? This alternative will streamline the design process, resulting in a clearer schematic, efficient modulation, and easier understanding of the circuit layout. I have further innovative ideas and strategies to enhance the simulation process and ensure successful modulation, even beyond the immediate project scope. One quick question: How soon do you need the schematic once you provide the parts list? Regards, Joshua Jaime Saunders
$12 USD in 7 days
0.0
0.0

Hello, I came across your project and would love the opportunity to collaborate with you. My background is in graphic design, branding, and visual communication, where I focus on creating clean, professional, and user-friendly designs that align with each client's goals. I value clear communication, attention to detail, and delivering polished work on time. Throughout every project, I work closely with my clients, welcome feedback, and make revisions to ensure the final result matches their expectations. You'll receive organized, high-quality files and consistent updates from start to finish. My goal is to make the entire process smooth, collaborative, and stress-free. Thank you for considering my proposal. I look forward to learning more about your project and discussing how I can contribute. Best regards, Nathalie Angel David
$20 USD in 7 days
0.0
0.0

Hello, I am pleased to have the opportunity to assist with your project. As a PCB designer and hardware engineer, I possess the technical expertise and extensive experience required to successfully complete your project. I am fully capable of accommodating your specific requirements, including the design of the BPSK circuit and component placement. However, I would like to review the bill of materials (BOM) and the overall concept for your BPSK circuit. Having this information will allow me to determine the next steps and provide a solution that meets your expectations. Please share the component list and your design concept with me. I look forward to discussing the project details with you. Thank you.
$20 USD in 2 days
0.0
0.0

Hello, I have reviewed your BPSK project requirements and I am confident I can deliver exactly what you need – a clean, functional schematic and simulation-proven modulation. I hold a degree in Information and Communication Engineering, with deep expertise in digital modulation – not just BPSK, but also QPSK, QAM, OFDM, and spread-spectrum systems. I understand the theory behind phase-shift keying and can explain every component's role clearly. I am proficient in LTspice, Multisim, Proteus, and MATLAB, and I can run simulations in your preferred tool. I will provide: A tidy, labelled schematic with component values and node names Short design notes explaining placement and function Simulation waveforms clearly showing 0° and 180° phase shifts Screenshots/export files for verification All components will be practical and off-the-shelf I can also integrate MATLAB with the simulation for cross-validation if needed. I work fast, document clearly, and ensure all files run without errors. I will not just copy a circuit – I will make sure it actually modulates as expected and that you understand why. Please let me know your preferred simulator and send the parts list – I am ready to start immediately. Looking forward to working with you. From yanxia
$20 USD in 3 days
0.0
0.0

Hi there, I have read your project description and am ready to help you validate your BPSK circuit design before you build it. My background in signal processing and practical circuit design makes this a straightforward task. To answer your questions directly: Simulator: I will use LTspice. It is an industry standard for analog and mixed-signal verification, and it will perfectly capture the transient response and phase shifts you need to see. Timeline: Once you provide the parts list, I can deliver the complete package within 24 to 48 hours. Here is exactly what I will deliver: A clean, fully labeled LTspice schematic (.asc file) using your specific off-the-shelf components. Clearly named nodes (e.g., CARRIER, DATA_IN, MOD_OUT) so it is easy to read. High-resolution screenshots of the stacked waveforms, specifically zooming in on the 0 to 180-degree phase shift transitions to prove the modulation works. A short text document with notes explaining the component layout and the function of the phase splitter and multiplexing stages. Please send me a quick chat message with your parts list, and we can get started right away. Best regards, Souvick
$20 USD in 2 days
0.0
0.0

Hi! I've reviewed your BPSK requirements — schematic, simulation proof, and design rationale. Simulator: LTspice (free, lightweight files, easy to share/re-run). Topology: Carrier source (SINE) split into two paths via a dual op-amp (TL072) — one non-inverting, one inverting (matched 10kΩ resistors) — giving true 0°/180° carrier copies. A CD4053B analog switch selects between them based on your data bit, placed near the output to keep the phase-decision path short and clean. An output buffer isolates the switch from loading effects. All parts are standard, off-the-shelf. Why this layout: Switching between two pre-built phase paths (rather than flipping one op-amp's gain live) gives instant, clean transitions with no slew-induced glitching. Gain-matching both paths avoids amplitude wobble at transitions. All practical for real breadboard builds. Simulation: Transient run showing data input, carrier, and BPSK output overlaid, plus a zoomed view of one transition edge to clearly confirm the phase flip. Deliverables: .asc file, exported waveform PNGs, netlist, short writeup with node/value table and layout rationale. Timeline: 2–3 days after you send parts list and confirm carrier/baud rate (or I default to 100kHz/10kbps). Background: embedded/analog hardware engineer (ESP32 systems, PWM/ADC signal chains, SDR coursework) — comfortable with this circuit class.
$20 USD in 7 days
0.0
0.0

Hello, We have extensive experience in circuit simulation and MATLAB. We can help you with this project. Contact us to discuss the project in more detail.
$40 USD in 7 days
0.0
0.0

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