Agilent/Keysight 85046A

The Agilent/Keysight 85046A is an S-parameter test set engineered for 50-ohm RF and microwave characterization. It measures transmission and reflection characteristics of two-port devices bidirectionally with a single connection, integrating programmable step attenuators under direct network analyzer control.

– Technical Specifications

• Frequency Range: 300 kHz to 3 GHz
• Impedance: 50 Ohms
• Connectors: Precision 7 mm
• Dimensions: 16 × 14 × 10 inches
• Weight: 25 lbs

– Key Features

• Directivity: ≥35 dB (300 kHz to 1.3 GHz); ≥30 dB (1.3 GHz to 3 GHz)
• Effective Source Match: ≥14 dB (300 kHz to 2 MHz); ≥20 dB (2 MHz to 1.3 GHz); ≥16 dB (1.3 GHz to 3 GHz)
• Switch Repeatability: ±0.03 dB
• Programmable step attenuators for dynamic range extension
• Simultaneous dual-port measurement capability

– Typical Applications

The 85046A addresses S-parameter measurement across passive and active RF components, including filters, amplifiers, couplers, and impedance networks. Its extended frequency coverage and port isolation make it suitable for both narrowband and broadband device characterization.

– Compatibility & Integration

Direct integration with Keysight network analyzers:

• 8753A/B/C, 8753D/E/ES (Option 011)
• 4395, 4395A/B
• 4396, 4396A/B
• Selected 8702 lightwave component analyzer configurations

Available Options:
• Option 001: Solid-state transfer switch (serial 2936A)
• Option 908: Rackmount kit without handles
• Option 913: Rackmount kit with handles
• Option 910: Additional test set manual