Agilent/Keysight W3631A

The Agilent/Keysight W3631A is a calibration kit engineered for network analyzer systems to establish accurate RF and microwave measurements. It has precision calibration standards that correct systematic errors introduced by test cables, fixtures, and adapters, ensuring measurements are referenced to the desired measurement plane and maintain traceability throughout the test setup.

Technical Specifications

Calibration kits in this class typically include mechanical standards such as shorts, opens, loads, and thru connections. These standards are fabricated with precise mechanical and electrical characteristics to represent ideal or defined impedance conditions. The kit matches a 50 Ohm impedance standard and is engineered to compensate for systematic measurement errors inherent in RF and microwave test configurations. Measurement accuracy depends directly on the quality of the calibration standards and the care applied during calibration execution. Data-based models for calibration standards provide superior accuracy compared to polynomial model approaches.

Key Features

• Mechanical calibration standards for network analyzer error correction


• Designed for systematic error compensation in RF/microwave test setups


• Precision-engineered standards representing defined impedance conditions


• Compatible with 50 Ohm network analyzer and device-under-test configurations


• Enables traceable, repeatable measurements across multiple test cycles


• Standards maintain performance when proper calibration procedures are followed

Typical Applications The W3631A serves network analyzer calibration requirements in RF and microwave measurement labs. It is applied to correct errors introduced by test cables, fixtures, and adapters before Device Under Test characterization. Regular calibration using this kit ensures that network analyzer equipment operates within specified performance parameters.

Compatibility & Integration Designed for use with Agilent/Keysight network analyzers. Connector type and impedance matching between the calibration kit, network analyzer, and Device Under Test is essential for optimal results. The kit functions as a mechanical calibration solution; electronic calibration (ECal) modules represent an alternative approach for certain applications.