IEEE P1785.3/D33, Sept. 2015

IEEE P1785.3/D33, Sept. 2015 is an approved draft recommended practice focused on rectangular metallic waveguides and their interfaces for frequencies of 110 GHz and above. It addresses performance and uncertainty specifications in a high-frequency electromagnetic context, where small dimensional and measurement variations can strongly affect results. For engineers working with microwave and millimeter-wave hardware, this document helps define a clearer basis for design, evaluation, and comparison.

What is IEEE P1785.3/D33, Sept. 2015?

This technical document is part of the P1785.3 series and concentrates on rectangular metallic waveguides at very high frequencies. IEEE P1785.3/D33, Sept. 2015 provides recommended practice guidance for performance and uncertainty specifications related to waveguide components and interfaces. In practice, it supports more consistent interpretation of how these structures should be characterized, especially when precision matters in fields, waves, and electromagnetics applications above 110 GHz.

Where is IEEE P1785.3/D33, Sept. 2015 used?

This standard is most relevant in millimeter-wave measurement environments, high-frequency test setups, and component development for rectangular waveguide systems. It may be used when specifying adapters, transitions, flanges, and related interfaces that must perform reliably at 110 GHz and beyond. IEEE P1785.3/D33, Sept. 2015 is also useful during laboratory testing and procurement where uncertainty limits and performance expectations need to be aligned with the same technical basis.

Why is IEEE P1785.3/D33, Sept. 2015 important?

At frequencies above 110 GHz, even minor mechanical or measurement differences can affect repeatability and confidence in results. IEEE P1785.3/D33, Sept. 2015 helps reduce ambiguity by giving users a common framework for performance and uncertainty specifications. That supports better design control, more consistent testing, and clearer communication between suppliers, labs, and system integrators. It is especially valuable when comparing waveguide hardware or verifying compliance against tightly defined engineering requirements.

• Rectangular metallic waveguides
• Interfaces for 110 GHz and above
• Performance specifications
• Uncertainty guidance
• Millimeter-wave measurement context