The Agilent/Keysight 70843B is a modular lightwave signal analyzer designed to enhance network analyzer capabilities for bit error rate testing and optical characterization. It integrates with systems such as the 71612B to deliver pattern generation, error detection, and error performance analysis across 1 Gb/s to 12 Gb/s bit rates. The module provides precise measurements essential for telecommunications, data center, and research applications requiring high-speed electrical and optical component validation.
– Technical Specifications
• Bit Rate Range: 0.1 Gb/s to 12 Gb/s (option-dependent; base range 1 Gb/s to 12 Gb/s)
• Data Output Amplitude: 0.5 V to 2 Vpp
• High Level Output: +1.5 V to −3.0 V
• Data Output Transition Time: Less than 30 ps
• Jitter: Less than 15 ps peak-to-peak
• Pattern Generation: PRBS 2^7-1 to 2^31-1 plus user-defined patterns
• Programmable Memory: 8 Mbits for SONET and SDH frame construction
– Key Features
• Multiple configurable options: pattern generator with error detector (Option UHF), pattern generator only (Option UHG), error detector only (Option UHH), and enhanced error location analysis (Option UHJ)
• Error location analysis identifies individual errored bits within custom patterns for bit, block, or total pattern BER measurement
• Versatile triggering facilities enable precise synchronization with external oscilloscopes for detailed waveform analysis of errored bits
• Selectable optical connector interfaces: ST (Option 014), Biconic (Option 015), SC (Option 017)
– Typical Applications
• High-speed data communication characterization
• Optical component validation and performance testing
• Systematic error source identification in transmission systems
• BERT analysis in telecommunications infrastructure
• Advanced research and component development
– Compatibility & Integration
The 70843B functions as an integral component within the Keysight 71612B system and integrates with network analyzers for combined optical and electrical measurements. Compatible with Lightwave Component Analyzers including the N4373D and N4373E platforms.
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