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I need an experienced RF designer to create the core high-frequency circuit that drives a PVC welding machine. The target system already has its mechanical and control sections laid out, but the RF stage that actually delivers the welding energy still has to be engineered from scratch. Your focus will be on circuit design only—everything from the oscillator and driver through the matching network to the output stage that feeds the welding electrodes. Component choices should reflect availability, thermal robustness, and cost-effectiveness; I will handle sourcing once the design is locked. Deliverables • Complete schematics of the RF stage, clearly annotated • Bill of materials with part numbers and key specifications • Brief design note explaining operating frequency selection, impedance-matching approach, and expected output power I work comfortably with Altium, KiCad, or EasyEDA files, so feel free to pick the tool you prefer as long as the output is shareable. Once we sign off on the schematic and BOM, I’ll spin the first prototype PCB in-house. If you can stay available for a quick review of layout-related questions, even better. Let me know your relevant experience with industrial RF power applications or similar high-frequency welding systems, and an estimated turnaround time for the schematic package.
Projektin tunnus (ID): 40336297
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Aktiivinen 15 päivää sitten
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4 freelancerit tarjoavat keskimäärin ₹19 375 INR tätä projektia

Hi, I can design the core RF circuit for your PVC welding machine, covering oscillator, driver, matching network, and output stage with a focus on thermal robustness and cost-effective components. APPROACH Design a stable oscillator at your target frequency with low phase noise. Develop a driver stage optimized for linearity and power efficiency. Engineer an impedance-matching network tailored to your welding electrodes for maximum power transfer. Select components rated for high power and thermal stress, balancing availability and cost. Provide detailed, annotated schematics and a comprehensive BOM with manufacturer part numbers. Deliver a concise design note explaining frequency choice, matching strategy, and expected output power. DELIVERABLES Complete RF stage schematic (Altium/KiCad/EasyEDA). BOM with key specs and part numbers. Design note covering operating principles and design decisions. EXPERIENCE I have hands-on experience designing industrial RF power amplifiers and matching networks for welding and heating applications, ensuring reliable high-frequency operation under harsh conditions. TURNAROUND: Estimated 2–3 weeks for full schematic and BOM delivery, with availability for layout review post-delivery. Ready to start once project details and target frequency are confirmed.
₹30 000 INR 4 päivässä
6,3
6,3

Hi there, I can design the RF stage for your PVC welding system, from oscillator and driver through matching network to output stage. I’ve previously designed a 20 MHz RF electric furnace, so I understand high-frequency power delivery, impedance matching, and thermal considerations. I will provide you with clear schematics, a practical BOM, and design notes covering frequency selection and matching approach. I typically use EasyEDA (flexible to your preference). I can also support quick layout reviews during prototyping, all to the best of my ability. Looking forward to working on this. Best regards, Michael.
₹20 000 INR 7 päivässä
2,5
2,5

Hi there, as an Electronics Engineer with specialized expertise in High-Frequency Power Electronics and RF matching networks, I am perfectly positioned to design the RF driver stage for your PVC welding machine. I have a great team proficient in industrial-grade circuit design and thermal management, having previously developed high-power systems including High-Frequency Dual Active Bridge (DAB) converters and AI-driven microgrid protection models where signal integrity and power delivery are critical. I will engineer a robust oscillator and driver stage optimized for industrial frequencies (typically 27.12 MHz), utilizing a high-efficiency impedance-matching network to ensure maximum energy transfer to the welding electrodes. My deliverables include complete Altium/KiCad schematics, a detailed BOM with cost-effective, thermally stable components, and a "humanized" design note covering frequency stability and output power calculations. We specialize in providing production-ready documentation and are available for ongoing layout reviews to ensure your in-house PCB prototype succeeds on the first spin
₹12 500 INR 7 päivässä
0,0
0,0

Hi, I work on RF and power electronics design, including oscillator, matching, and high-frequency power stages for industrial applications. You need a complete RF chain (oscillator → driver → matching → output) that is stable, efficient, and thermally robust for PVC welding. I’ve handled similar designs where impedance matching, frequency stability, and power delivery to load are critical. How I will approach this: I’ll first define the operating frequency and topology (typically HF range used in welding), then design a stable oscillator and driver stage followed by a high-power output stage. The matching network will be carefully designed to efficiently transfer power to the electrodes while maintaining stability under load variation. I’ll design schematics in KiCad and validate behavior using LTspice. Component selection will focus on availability, thermal limits, and cost. If this fits, I can start with architecture and frequency selection immediately.
₹15 000 INR 7 päivässä
0,0
0,0

Delhi, India
Liittynyt maalisk. 25, 2025
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