Build an RF Stepped Attenuator with Integrated Dummy Antenna and Arduino Control!

Описание: Only $5 for 10 PCBs and every new member get $5 bonus. + Express 24 hour / 48 hour service on https://www.pcbway.com/ ➠ ➠ ➠ In this video, I showcase my custom-designed 50Ω digitally controlled stepped attenuator, perfect for RF radio work. With 3dB steps up to 93dB of attenuation, this precision tool uses a combination of pi attenuator resistors, relays, an Arduino Nano, a rotary encoder, and a vibrant OLED display. It also features an integrated IEC dummy antenna circuit, ideal for simulating antenna signals during RF alignments.

Key features include:
• Stepped Attenuation: Achieve precise attenuation from 0dB to 93dB in 3dB steps.
• User-Friendly Controls: Simple rotary encoder interface with an OLED display for real-time feedback.
• 50Ω Impedance Matching: Ensures accurate RF performance.
• Dummy Antenna Circuit: Switchable for RF alignment tasks.

I’ve provided everything you need to build your own, including:
✅ Gerber files
✅ Schematic
✅ Bill of Materials (BOM)
✅ 3D print files for a custom enclosure
✅ Arduino Sketch Code

Want to build it? Order the two PCBs directly from PCBWay using the links below. Plus, I’ll be offering pre-programmed Arduino Nano modules at cost for those interested.

🎥 Watch now and bring this project to life!
🔗 Google Drive Folder: https://drive.google.com/drive/folder...
🔗PCBWay Shared Relay Board: https://www.pcbway.com/project/sharep...
🔗PCBWay Shared Control Board: https://www.pcbway.com/project/sharep...

🎥 Other videos mentioned in this video:
■ Arduino Meets Tube Radios: Building a Switched Pi Attenuator (0-93dB) For Alignments -    • Arduino Meets Tube Radios: Building a Swit...  
■ Switchable Pi Attenuator with Dummy Antenna -    • Switchable Pi Attenuator with Dummy Antenn...  

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