Helpful Technical Guides
Helpful Technical Guides — Free Expert Downloads
Knowledge you can put on the air!
Palomar Engineers has been helping radio operators, installers, and RF professionals solve noise and interference problems for over 60 years. Our free technical guides give you practical, field-tested information to help you choose the right ferrite products, chokes, and filters for your specific application.
Each guide is written by our engineering team — short, easy to follow, and designed to educate first and simplify selection. Best of all, every download is free (registration required) so we can keep you informed with new updates and product improvements.
📘 Available Guides
| Guide Title | Summary | Related Products |
|---|---|---|
| Choosing a Feedline Choke | Understand where and why to install feedline chokes for best performance. Includes placement diagrams and product recommendations for common antennas. | 1:1 Baluns & Feedline Chokes › |
| OCF Antenna Confidence Guide | Learn how hybrid transformers improve balance and reduce noise in off-center-fed antennas. Explains how to match feedline and transformer ratios for best efficiency. | OCF: Why, What and How › |
| Noise Filter Selection Guide | Discover how to isolate and stop RFI noise from AC, DC, and coax lines using Palomar’s noise filter families. | Noise Filter Products › |
| Ferrite Mix & Application Guide | A quick reference to ferrite material mixes (31, 43, 61, 75) and how to choose the right type for your frequency range. | Ferrite Cores › |
| AC/DC Power Noise Solutions | Learn how noise from power lines, supplies, and inverters couples into your station — and how Palomar filters eliminate it. | Power Line Filters › |
| RFI / EMI Suppression Fundamentals | A foundational guide on identifying, measuring, and fixing common RFI and EMI issues in radio, audio, and digital systems. | RFI / EMI Solutions › |
💡 Why Download These Guides?
- Written by Palomar’s Ferrite Application Experts
- Easy to follow — includes diagrams, use-cases, and model recommendations
- Updated regularly to reflect new products and installation practices
- Every download helps us keep you informed of future tips, updates, and product innovations
📥 Get Your Free Guides
All guides are free — simply add them to your cart and check out at no cost. You’ll receive instant access plus email updates when new guides are released.
Palomar Engineers — Ferrite Application Experts since 1965.
