The Agilent/Keysight 85105A is a millimeter-wave test set controller that extends network analyzer capabilities into the 33 GHz to 110 GHz frequency range. This controller integrates RF, LO, and IF amplifiers and switches—the core signal conditioning components required for millimeter-wave S-parameter measurements. Operating as the central control element, the 85105A pairs with Agilent/Keysight 85104A test sets to deliver complete millimeter-wave network analysis functionality across the full 33–110 GHz band.
Technical Specifications
• Frequency Range: 33 GHz to 110 GHz
• Integrated Components: RF amplifiers, LO amplifiers, IF amplifiers, and RF/LO switches
• Weight: 10 lbs
– Key Features
• Dedicated controller for millimeter-wave test set operation
• Signal conditioning via integrated amplifier and switch architecture
• Direct integration with standard 85104A test set pairs
• Enables S-parameter characterization across millimeter-wave spectrum
– Typical Applications
• Millimeter-wave device characterization and verification
• S-parameter measurement in the 33–110 GHz band
• Network analyzer extension into millimeter-wave frequencies
• RF/microwave component and subsystem testing
– Compatibility & Integration
The 85105A is designed specifically for use with paired Agilent/Keysight 85104A test sets within millimeter-wave network analyzer systems. The controller manages RF, LO, and IF signal routing and amplification, establishing the measurement infrastructure required for accurate S-parameter acquisition at millimeter-wave frequencies.
