The Agilent/Keysight 85046A is a 50-ohm S-parameter test set engineered for network analyzer integration, enabling simultaneous measurement of forward and reverse transmission and reflection characteristics of two-port devices. Operating across 300 kHz to 3 GHz, this unit combines solid-state switching with precision 7 mm connectors to deliver repeatable, artifact-free measurements without mechanical wear degradation.
Technical Specifications
• Frequency Range: 300 kHz to 3 GHz
• Impedance: 50 Ohms
• Connectors: Precision 7 mm
• Switch Type: Solid-state
• Switch Repeatability: ±0.03 dB
• Programmable Step Attenuator: Included
• Directivity (Ports 1, 2):
– ≥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)
• Measurement Speed: 160 milliseconds per trace update (101-point sweeps and above)
– Key Features
• Simultaneous bidirectional S-parameter measurement eliminates need for port reconnection
• Solid-state switching architecture enhances reliability in production and development test environments
• Integrated step attenuator enables controlled signal conditioning
• High directivity and source match across the operating band minimize measurement uncertainty
– Typical Applications
• Magnitude, phase, and group delay response characterization
• Two-port device tuning and optimization
• Automated test system integration for passive and active component measurement
– Compatibility & Integration
The 85046A operates with Agilent 8753A/B/C, 8753D/E/ES (Option 011), 4395, 4396, and selected 8702 lightwave component analyzer configurations. An operating and service manual provides setup, operation, and maintenance guidance.
