Keysight (Agilent) U11644A Mechanical Calibration Kit, 40 to 60 GHz

The Keysight (Agilent) U11644A is a mechanical calibration kit for waveguide-based network analyzer measurements in the 40 to 60 GHz band. This WR-19 interface kit delivers the calibration standards required for systematic error correction and accurate device characterization across mmWave frequencies. The U11644A supports Thru-Reflect-Line (TRL) calibration, providing exceptional accuracy for high-frequency measurements.

Technical Specifications

• Frequency Range: 40 to 60 GHz


• Waveguide Interface: WR-19


• Calibration Method: Thru-Reflect-Line (TRL)


• Fixed Termination Return Loss: ≥ 46 dB

Kit Contents

• Precision airline for TRL calibration


• Flush short circuit


• Precision shim


• Fixed termination(s)


• Commercial calibration certificate

Key Features TRL calibration delivers high-accuracy error correction essential for precise coaxial and waveguide measurements. The precision airline standard enables accurate propagation constant determination. The flush short circuIt has a well-defined reflect standard. Fixed terminations achieve ≥ 46 dB return loss, ensuring minimal reflections during calibration. Each kit includes a commercial calibration certificate documenting performance.

Typical Applications The U11644A addresses measurement needs in mmWave component characterization, including amplifiers, filters, antennas, and integrated circuits. Applications span commercial wireless standards, satellite communications, and aerospace/defense testing where 40 to 60 GHz operation is required.

Compatibility & Integration Designed for Keysight network analyzers including the 8510, 872x, PNA, and ENA series. The WR-19 waveguide interface ensures compatibility with standard mmWave test ports and waveguide components in this frequency band.