Agilent/Keysight 86103A

The Agilent/Keysight 86103A is a dual-channel electrical and optical module for the 86100 series Digital Communications Analyzer platform. It delivers precision signal analysis across high-speed electrical and optical domains, supporting standards including SDH/SONET, Fibre Channel, and Gigabit Ethernet. The module combines wide electrical bandwidth with calibrated optical reception for comprehensive protocol compliance testing.

Technical Specifications

• Bandwidth: 12.4 GHz and 20 GHz


• Transition time (10–90%): 28.2 ps at 12.4 GHz; 17.5 ps at 20 GHz


• RMS noise: 0.25 mV at 12.4 GHz; 0.5 mV at 20 GHz


• Maximum input signal: ±2 Vdc


• Input impedance: 50 ohm


• DC accuracy (single marker): ±0.4% of full scale ±2 mV at both bandwidths


• Offset range: ±500 mV


• Input dynamic range: ±400 mV Optical Channel


• Unfiltered bandwidth: 2.85 GHz (3 GHz typical)


• Wavelength range: 1000–1600 nm; calibrated at 1310 nm and 1550 nm


• Transition time (10–90%): 160 ps


• Sensitivity: –20 dBm characteristic


• RMS noise: 1–1.5 µW at 155/622 Mb/s; 1.5–2.5 µW at 1.063/1.250 Gb/s


• Scale factor: 5–100 mW/division


• CW accuracy: ±6 mW ±0.4% of full scale ±3% of (reading – offset)


• Maximum non-destructive average power: 0.4 mW (–4 dBm)


• Maximum non-destructive peak power: 10 mW


• Factory calibrated accuracy (single mode): ±5% ±100 nW, 20–30°C


• Factory calibrated accuracy (multimode): ±10% ±100 nW, 20–30°C


• User calibrated accuracy: ±2% ±100 nW, <5°C change

Key Features

• Switchable hardware filters for 155/622 Mb/s or 1063/1250 Mb/s compliance testing


• Dual-wavelength calibration reduces setup complexity


• Low electrical noise enables detailed signal characterization


• Average power monitor operating range: –30 dBm to 0 dBm

Typical Applications

• SDH/SONET optical network testing


• Fibre Channel signal integrity analysis


• Gigabit Ethernet compliance verification


• High-speed electrical signal characterization

Compatibility & Integration Designed as a plug-in module for the Agilent/Keysight 86100 series DCA platform. Note: This product is obsolete per manufacturer designation.