Waveguide Transition Section
Description
Waveguide Transition is designed to provide low-loss, impedance-matched signal transition between different waveguide sizes, bands, or interfaces.
Precision-machined to ensure excellent RF performance, it is suitable for broadband, high-frequency, and high-power applications.
Features & Customization
Low insertion loss and stable impedance matching. Broad frequency coverage across mmWave and THz bands.
Materials: Brass or Aluminum.
Customizable waveguide types, interfaces, length and transition geometries.
Surface Finish: Gold plating, silver plating, or passivation.
Dimensional Specifications
| Model P/N | Input Size | Output Size | Input Flange | Output Flange | Length (mm) | Material | Finish |
|---|---|---|---|---|---|---|---|
| WTA-42-28-L50.8 | WR-42 (18-26.5 GHz) | WR-28 (26.5-40 GHz) | UG-595/U | UG-599/U | 50.8 | Brass | Gold plating |
| WTA-42-22-L50.8 | WR-42 (18-26.5 GHz) | WR-22 (33-50 GHz) | UG-595/U | UG-383/U | 50.8 | Brass | Gold plating |
| WTA-28-22-L50.8 | WR-28 (26.5-40 GHz) | WR-22 (33-50 GHz) | UG-599/U | UG-383/U | 50.8 | Brass | Gold plating |
| WTA-28-19-L50.8 | WR-28 (26.5-40 GHz) | WR-19 (40-60 GHz) | UG-599/U | UG-383/U-M | 50.8 | Brass | Gold plating |
| WTA-22-19-L50.8 | WR-22 (33-50 GHz) | WR-19 (40-60 GHz) | UG-383/U | UG-383/U-M | 50.8 | Brass | Gold plating |
| WTA-22-15-L50.8 | WR-22 (33-50 GHz) | WR-15 (50-75 GHz) | UG-383/U | UG-385/U | 50.8 | Brass | Gold plating |
| WTA-19-15-L50.8 | WR-19 (40-60 GHz) | WR-15 (50-75 GHz) | UG-383/U-M | UG-385/U | 50.8 | Brass | Gold plating |
| WTA-19-12-L50.8 | WR-19 (40-60 GHz) | WR-12 (60-90 GHz) | UG-383/U-M | UG-387/U | 50.8 | Brass | Gold plating |
| WTA-15-12-L50.8 | WR-15 (50-75 GHz) | WR-12 (60-90 GHz) | UG-385/U | UG-387/U | 50.8 | Brass | Gold plating |
| WTA-15-10-L50.8 | WR-15 (50-75 GHz) | WR-10 (75-110 GHz) | UG-385/U | UG-387/U-M | 50.8 | Brass | Gold plating |
| WTA-12-10-L50.8 | WR-12 (60-90 GHz) | WR-10 (75-110 GHz) | UG-387/U | UG-387/U-M | 50.8 | Brass | Gold plating |
| WTA-12-08-L50.8 | WR-12 (60-90 GHz) | WR-8 (90-140 GHz) | UG-387/U | UG-387/U-M | 50.8 | Brass | Gold plating |
| WTA-10-08-L50.8 | WR-10 (75-110 GHz) | WR-8 (90-140 GHz) | UG-387/U-M | UG-387/U-M | 50.8 | Brass | Gold plating |
| WTA-10-06-L50.8 | WR-10 (75-110 GHz) | WR-6 (110-170 GHz) | UG-387/U-M | UG-387/U-M | 50.8 | Brass | Gold plating |
| WTA-08-06-L50.8 | WR-8 (90-140 GHz) | WR-6 (110-170 GHz) | UG-387/U-M | UG-387/U-M | 50.8 | Brass | Gold plating |
| WTA-08-05-L50.8 | WR-8 (90-140 GHz) | WR-5 (140-220 GHz) | UG-387/U-M | UG-387/U-M | 50.8 | Brass | Gold plating |
| WTA-06-05-L50.8 | WR-6.5 (110-170 GHz) | WR-5 (140-220 GHz) | UG-387/U-M | UG-387/U-M | 50.8 | Brass | Gold plating |
| WTA-06-04-L50.8 | WR-6.5 (110-170 GHz) | WR-4 (170-260 GHz) | UG-387/U-M | UG-387/U-M | 50.8 | Brass | Gold plating |
| WTA-05-04-L50.8 | WR-5 (140-220 GHz) | WR-4 (170-260 GHz) | UG-387/U-M | UG-387/U-M | 50.8 | Brass | Gold plating |
| WTA-05-03-L50.8 | WR-5 (140-220 GHz) | WR-3 (220-330 GHz) | UG-387/U-M | UG-387/U-M | 50.8 | Brass | Gold plating |
| WTA-04-03-L50.8 | WR-4 (170-260 GHz) | WR-3 (220-330 GHz) | UG-387/U-M | UG-387/U-M | 50.8 | Brass | Gold plating |
| WTA-04-2.8-L25.4 | WR-4 (170-260 GHz) | WR-2.8 (260-400 GHz) | UG-387/U-M | UG-387/U-M | 25.4 | Brass | Gold plating |
| WTA-03-2.8-L25.4 | WR-3 (220-330 GHz) | WR-2.8 (260-400 GHz) | UG-387/U-M | UG-387/U-M | 25.4 | Brass | Gold plating |
| WTA-03-2.2-L25.4 | WR-3 (220-330 GHz) | WR-2.2 (330-500 GHz) | UG-387/U-M | UG-387/U-M | 25.4 | Brass | Gold plating |
| WTA-2.2-1.5-L25.4 | WR-2.2 (330-500 GHz) | WR-1.5 (500-750 GHz) | UG-387/U-M | UG-387/U-M | 25.4 | Brass | Gold plating |
Note:All designs are independently developed based on industry standards and are not derived from any customer-specific drawings,and OEM customization is available upon request.
Advanced Engineering for Waveguide Transitions
Optimized Impedance Matching: Our waveguide transitions feature mathematically optimized linear or multi-step tappers designed to provide an incredibly smooth geometric transition between different waveguide sizes (such as from WR-42 down to WR-12). This precise internal profiling ensures stable impedance matching, minimizes signal reflections, and suppresses higher-order mode generation across broad mmWave and THz bands.
High-Precision EDM & Monolithic Internal Machining: Transition components require strict internal dimensional consistency. By utilizing state-of-the-art CNC milling and high-precision wire EDM, we achieve strict internal tolerances down to ±0.005mm. This micron-level accuracy guarantees that the internal steps or tapers align perfectly with the input and output sizes, ensuring exceptional RF performance even in high-power applications.
Flange Alignment & Interface Integrity: Equipped with standard compatible precision flanges (including UG-595/U, UG-383/U, and UG-387/U), each transition is designed with high mechanical stability in mind. Accurate positioning of alignment pins ensures a seamless, gap-free mechanical connection with your existing microwave and millimeter-wave transmission networks, eliminating RF leakage at the junctions.
Superior Surface Finish & Material Selection: Available in premium Brass and Lightweight Aluminum. To counteract the skin depth effects that escalate at higher frequencies (from 75 GHz up to 300 GHz), all internal surfaces undergo precision plating (Gold Plating or Silver Plating). This ensures an ultra-smooth internal surface roughness (Ra), drastically reducing insertion loss and maintaining long-term reliable conductivity.