Agilent 86109B 40GHz Optical / Electrical DCA Plug In Module

The Agilent 86109B is a dual-channel plug-in module for the 86100 series Infiniium Digital Communication Analyzers, delivering integrated optical and electrical measurement capability in a single instrument. The module provides up to 40 GHz optical bandwidth and 50 GHz electrical bandwidth, enabling high-fidelity waveform capture and eye diagram analysis across both domains. It supports compliance testing of high-speed optical and electrical communication systems through simultaneous or independent channel operation.

– Technical Specifications

Optical Channel
• Bandwidth: Up to 40 GHz (unfiltered optical bandwidth)
• Wavelength Range: 1000 nm to 1600 nm
• Fiber Compatibility: 9/125 µm single-mode fiber
• Input Connector: FC/PC
• Characteristic RMS Noise: 20 µW at 26 GHz bandwidth; 50 µW at 40 GHz bandwidth
• Maximum Displayed Peak Power: 8 mW

Electrical Channel
• Bandwidth: Up to 50 GHz
• Input Connector: 3.5 mm male
• Impedance: 50 Ohms
• Characteristic RMS Noise: 0.25 mV at 26 GHz bandwidth; 0.6 mV at 50 GHz bandwidth
• Maximum Input Signal: ±2 Vdc

– Key Features

• Dual-channel architecture supports parallel optical and electrical testing
• Low noise performance across both measurement domains
• Wide optical wavelength coverage for long-haul and metro applications
• High-impedance electrical input for standard RF measurement interfaces
• Direct integration with 86100 series mainframe processing and display capabilities

– Typical Applications

• High-speed optical transceiver characterization
• Electrical signal integrity analysis in communication systems
• Compliance verification for optical communication standards
• Simultaneous optical and back-end electrical measurement
• Waveform capture and eye diagram generation for 40+ GHz signals

– Compatibility & Integration

The module installs as a plug-in for Agilent/Keysight 86100 series mainframes, including 86100A, 86100B, 86100C, and 86100D models. All measurement data, processing, and display functions leverage the host mainframe architecture.