230V 80 kHz Coupler Design

@macroenergy

As an experienced electrical engineer with a strong background in electronics, embedded systems, and PCB layout, I believe I am the perfect fit for your 230V 80 kHz Coupler Design project. Having worked extensively on Analog Design and Power Electronics including AC/DC and DC-DC converters, my capabilities align perfectly with your project requirements of isolating the high-voltage power lines from the low-voltage logic side. I have not only designed complex circuits like RF transmitters and receivers but also have a deep understanding of transformers and know how to handle the calculation and implementation requirements for high frequencies like 80 kHz. My proficiency in Altium will ensure that you receive a complete schematic and layout in your required format. Moreover, I have substantial experience developing embedded systems using various microcontrollers including STM32, PIC18, Atmel, and similar ones that perfectly match what you are doing with Teensy 4.1. My expertise in Matlab will help me simulate your design to perfection before its actual realization. Furthermore, my exposure to PCB design using software like Easyeda will ease our communication process and ensure no lapses happen when it comes to technical designs.

@markoa7

As an electronic hardware and firmware engineer with a wealth of experience in PCB design, especially for power supply circuits, your project aligns perfectly with my expertise. My familiarity with transformer isolation and my ability to develop efficient LED driver circuits will prove vital for ensuring the safe coupling of the transmit and receive paths between the Teensy 4.1 and the 230 V / 50 Hz mains line. Moreover, my skills in developing PCB layouts can provide valuable insight into how to integrate off-the-shelf and custom elements seamlessly while optimizing your circuit's performance. The proven track record I have in developing RF filters, transceivers, and power amplifiers complements your requirements on maintaining the integrity of the 80 kHz path. My rigorous approach to design, paired with robust testing protocols that I will utilize throughout this project, ensures that the final product will be production-ready for you. Ultimately, I am committed to delivering high-quality solutions without compromise. The notion of working together towards transforming your idea into a reliable reality motivates me greatly. Let's connect and discuss further how I can bring value as a member of your team on this endeavor.

@engrusmanfaiz

Hello, this is a high-risk mains-coupling problem and I can deliver a safe, production-grade isolated interface. I will design a transformer-coupled TX/RX network optimized for 80 kHz injection with minimal loss and strong noise immunity. The circuit will include proper mains-rated capacitors, surge protection (MOV/TVS), and filtering for continuous 230 Vac operation. I will specify or design a high-frequency isolation transformer suitable for low-loss 80 kHz coupling. Both transmit and receive paths will be clearly separated with controlled impedance and protection stages. Your Teensy 4.1 will remain fully isolated from the mains side under all conditions. I will provide a complete schematic, BOM with exact part numbers, and transformer details. Design notes will explain injection level, insertion loss, filtering strategy, and safety compliance. Optional SPICE validation and compact PCB layout can be included for confidence before build. Regards, Engineer Muhammad Usman

@hayat38402

Hi, how are you doing? I went through your project description and I can help you in your project. your project requirements perfectly match my expertise. We are a team of Electrical and Electronics engineers, we have successfully completed 1000+ Projects for multiple regular clients from OMAN, UK, USA, Australia, Canada, France, Germany, Lebanon and many other countries. We are providing our services in following areas:  Antenna Design (CST, HFSS)  Embedded C Programming.  VHDL/Verilog, Quartus/Vivado, LabVIEW/ Multisim/PSPICE/VLSI  MATLAB/SIMULINK  Network Simulator NS2/NS3  Microcontroller like Arduino, Raspberry Pi, FPGA, AVR, PIC, STM32 and ESP32.  IDEs like Keil MDK V5, ATmel studio and MPLab XC8.  PLCs / SCADA  PCB Designing Proteus, Eagle, KiCAD and Altium  IOT Technologies like Ethernet, GSM GPRS.  HTTP Restful APIs connection for IOT Communications. Also, we have good command over report writing, I can show you many samples of our previous reports. Kindly consider us for your project and text me so that we can further discuss specifically about your project's main goals and requirements.

@Feriver

Hello, I am an experienced electronics engineer specializing in embedded systems and power interfacing. I can design a safe, production-ready coupler to inject your 6 V pp, 80 kHz bursts onto a 230 V/50 Hz mains line with full transformer isolation. The deliverables will include a complete schematic (KiCad/Altium), BOM with part numbers, transformer spec or winding details, and a brief design note covering surge protection, filtering, and maintaining signal integrity. The design will separate the Teensy logic from the mains while preserving the 80 kHz injection path and ensuring reliable read-back. I can also provide SPICE simulations or a small PCB layout to validate the concept before testing. Safety, signal fidelity, and manufacturability are my priorities. Ready to provide end-to-end design, from schematic to BOM. Thank you, Asif

@debosx

Hello! I'm a highly skilled PCB Designer with over 10 years of expertise in delivering reliable and efficient PCB designs. I specialize in creating precision designs tailored to client's needs, utilizing top-tier design tools such as Altium Designer, Autodesk Eagle, KiCad, EasyEDA, Siemens PADS, DipTrace, Allegro/OrCAD, Fritzing and Proteus. My goal is always to ensure the highest quality and performance in every project. Core Expertise : • Schematic Capture & Layout Design • Component Selection & Library Management • Reverse Engineering (PCB Replication, PCB Cloning) • Gerber, BOM, and CPL File Generation & Manufacturing Support • Design for Manufacturability (DFM) and Design for Assembly (DFA) • PCB Design & Development (Single, Double, Multi-Layer, Flexible PCBs) Industries Served : • Medical Devices • Telecommunications • Consumer Electronics • Industrial Equipment • Automotive Electronics • Safety and Security Devices Why Choose Me? • Attention to Detail and Commitment to Quality • Strong Communication Skills & Client-Centric Focus • Timely Delivery & Flexible Approach to Meet Project Requirements I would love to help you with your next PCB design project. Feel free to reach out, and let’s discuss how I can bring your ideas to life! Best Regards, Utpal

@electronicsdone

Best 230V / 80kHz Isolated Coupler Design Expert! ⭐⭐⭐⭐⭐ Dear Client, This is not just a filter-and-transformer task. The real challenge is preserving the 80 kHz burst path cleanly while staying safe on a continuously connected 230 Vac line. That is exactly where weak designs fail. For this job, the important part is not only coupling the signal onto mains, but getting the isolation boundary, protection network, line-frequency rejection, transformer behavior at 80 kHz, and receive-path sensitivity all working together without compromising safety or pulse integrity. That is where I can help. I would approach this as a mains-coupled signal-interface problem first: define a safe injection/reception architecture, control insertion loss, protect the low-voltage side properly, and make sure the schematic is practical to build and test on live mains. A few key questions from my side: 1. Are you coupling phase-to-neutral, or do you want the same interface adaptable phase-to-phase as well? 2. What approximate receive amplitude do you consider acceptable after the live mains segment? 3. Do you want the transformer custom-wound only if no suitable off-the-shelf option is strong enough? If you message me, I can also share relevant hardware work and explain how I would structure this so the design is not just theoretically correct, but realistically testable and safe. Best regards, Avi Gupta PCB Must Innovations

@jakubf41

Hi there, I reviewed your requirements and I’m a senior power/embedded hardware engineer with 9+ years of experience in isolated signal injection, PLC-style coupling, and mains-referenced designs, including high-frequency coupling over AC lines with strict safety isolation. Approach - I will design a transformer-isolated TX/RX coupling stage optimized for 80 kHz injection over 230 VAC, maintaining signal integrity while blocking mains frequency - I will implement proper line filtering (LC band-pass / high-pass), surge protection (MOV/TVS), and impedance matching - I will specify or design a suitable HF isolation transformer (core material, turns ratio, bandwidth, isolation rating) - I will ensure safe separation using creepage/clearance, reinforced isolation, and protection layers to fully isolate the Teensy - I will validate via SPICE simulation (insertion loss, frequency response, transient behavior) Deliverables include schematic, BOM with MPNs, transformer spec/design, and design notes explaining isolation, filtering, and signal path. I focus on safety, signal integrity, and real-world robustness on live mains. Questions - Single-phase or 3-phase simultaneous coupling? - Expected line impedance/length? - Any EMC compliance targets? Best regard

@sakshis576

As an electrical engineer with a strong background in electronics and embedded systems, I believe I am the ideal candidate for your 230V 80 kHz Coupler Design project. With a keen eye for detail and extensive experience in designing complex circuits, I can deliver a complete schematic that meets your requirements while ensuring safety and reliability. My experience in PCB layout design will be valuable for this project, as it requires combining off-the-shelf parts with custom elements. Moreover, my competency in transformer design will enable me to specify a component that effectively isolates the Teensy from the mains while minimizing losses at 80 kHz. Best regards, Sakshi masih

@aleksandarm72

HELLO, i added some features in proposal ,please read if you are interested for best solution to your problem. Here is the signal path logic for the reference design: [MAINS SIDE 230V] 1. Input Protection: 2A Fast-blow fuse -> GDT (Gas Discharge Tube, 470V-600V) connected between Line and Neutral/Earth for surge suppression. 2. High-Pass Filter: Two X2-rated 0.1uF/630V Polypropylene Capacitors in series with the transformer primary to block the 50Hz mains voltage. 3. Coupling Stage: Custom-wound N87 Ferrite Transformer (1:1 ratio) -WURTH -to provide 4kV galvanic isolation while maintaining 80kHz pulse integrity. [LOW VOLTAGE SIDE - TEENSY] 4. Secondary Clamping: Bidirectional TVS Diode (1.5KE series) across the transformer secondary to catch any residual transients. 5. TX Path: Teensy 4.1 Digital Out -> High-speed MOSFET/Transistor driver stage to feed the 6Vpp bursts into the transformer. 6. RX Path: Active Band-Pass Filter (tuned to 80kHz) using an OP-AMP (e.g., TL082) with high-gain for clean signal recovery from the noise floor. This layout ensures that the 230V AC stays strictly on the grid side of the isolation barrier, while the 80kHz pulses traverse both ways with zero insertion loss.. Aleksandar Makarevski Electronic Engineer B.S.

@ostronik

Hi Greetings from OSTronik India! We are a technology-driven company specializing in Power Electronics and Embedded System Design integrated with Artificial Intelligence (AI), delivering reliable, industrial-grade Electronic Solutions—from concept to mass production, all under one roof. Our in-house capabilities include R&D, Firmware Development (C & Python Programming), Hardware Design, Prototyping, and Scalable Mass Production with a focus on quality and cost efficiency. Core Expertise: • Microcontroller : PIC, STM32, ESP Family, AVR, Nuvoton, XBee. • Microprocessors: Raspberry Pi • Development Tools: MPLAB X IDE, Keil, STM32CubeIDE, Arduino IDE, Atmel Studio, VS Code. • Hardware Design: Industrial-grade multilayer PCBs using Altium Designer, KiCad, with efficient power design, isolation handling, and EMI/EMC compliance. • Communication Protocols: UART, SPI, I²C, CAN, Modbus, MQTT, LAN, S-Bus, RS-485, RS-232. • RF Modules: LoRa, nRF Series, XBee, Laird RF Modules. Project Capabilities: Power Monitoring & Energy Management Units, CNC Controllers, BLDC/DC Motor Control, IoT-based Agriculture, Smart Home & Industrial Automation, Inverters, Stabilizers, and Gimbal-based Videography Control Systems. We have already transformed the concept into a successful Electronic solution for multiple clients. To help you better visualise our expertise, we would be glad to share a brief reference video. Let’s schedule a meeting to discuss further. Best Regards, Team OSTronik India