Keysight (Agilent) Q85104A WR-22 Test Set Module, 33 GHz to 50 GHz

The Keysight (Agilent) Q85104A is a WR-22 test set module that extends network analyzer capabilities into the millimeter-wave spectrum from 33 GHz to 50 GHz. This integrated waveguide module contains a frequency multiplier, isolators, directional couplers, and harmonic mixers to enable precise S-parameter characterization of high-frequency components and systems. Operation requires a millimeter-wave controller such as the Agilent 85105A for full measurement functionality.

– Technical Specifications

• Frequency Range: 33 GHz to 50 GHz
• Waveguide Size: WR-22
• Test Port Connector Type: WR-10
• Nominal Power Handling: -3 dBm
• Maximum Input Power (CW, 0.1 dB Compression): -10 dBm

– Key Features

• Integrated frequency multiplier, isolators, directional couplers, and harmonic mixers in single module
• Designed for millimeter-wave band characterization
• Portable form factor for easy handling during calibration and measurement operations
• Waveguide-based architecture for low-loss signal transmission at mmW frequencies

– Typical Applications

• S-parameter measurement of mmW components
• Network analysis in the 33 GHz to 50 GHz band
• Millimeter-wave component and subsystem characterization
• Frequency response analysis of high-frequency devices

– Compatibility & Integration

• Network Analyzers: Agilent 8510C (with millimeter-wave controller)
• Millimeter-Wave Controller: Agilent 85105A
• Calibration Kit: Agilent Q11644A WR-22 calibration kit
• Verification Kits: Agilent 11645A series waveguide verification kits recommended for system installation and performance verification

Product Status: Obsolete. Keysight PNA Network Analyzers (300 kHz to 1.1 THz) are indicated as replacement products.