WR-08 Low Power Termination
The WR-08 Low Power Termination is a precision-engineered waveguide component that provides an exact precision match for terminating unused ports during VNA calibration and testing. It is specifically designed for the 90 - 140 GHz frequency range, serving as a critical building block in F-Band infrastructure.
Low-power terminations prioritize absolute minimum VSWR over heat dissipation, using a highly engineered, delicate absorbing element designed for milliwatt-level measurement accuracy. WR-08 (F-Band, 90-140 GHz) is famous for the 94 GHz atmospheric window, making it the premier choice for high-resolution cloud-mapping radar and advanced plasma diagnostics.
Key Features
Compact Form Factor
Designed for bench-top and rack-mounted test setups where space and weight are critical considerations.
Precision Matched Load
Engineered for excellent return loss and VSWR performance across the full operating frequency band.
Laboratory Grade
Meets the exacting standards required for network analyzer calibration and precision RF measurements.
Corrosion Resistant
Gold-plated finish provides long-term environmental durability and consistent electrical performance.
F-Band Use Cases
Cloud Radar
94 GHz weather mapping
Plasma Diagnostics
Fusion reactor monitoring
Sub-THz Research
Advanced materials science
Active Denial
Directed energy systems
More Low Power Terminations
Frequently Asked Questions
Can a low power termination be used for calibration?+
Yes. Low power terminations are frequently used as the "Load" standard during a Short-Short-Load-Thru (SSLT) calibration on a Vector Network Analyzer, requiring them to have near-perfect return loss (better than 30 dB).
What is the 94 GHz atmospheric window?+
While mmWave frequencies generally suffer from high atmospheric attenuation, there is a natural "window" at exactly 94 GHz where attenuation drops significantly. WR-08 components are used to build 94 GHz cloud radars that can see through fog and map weather patterns with incredible resolution.
How are WR-08 components manufactured?+
The internal dimensions of WR-08 are 0.080" x 0.040" (about 2mm x 1mm). They cannot be easily cast. They are typically electroformed (growing copper chemically over an aluminum mandrel) or precision-machined using specialized micro-milling bits to ensure perfect geometry.