The Advantest D3281 is an error detector module engineered for error performance testing in high-speed digital communication systems. It identifies and counts transmission errors with precision, enabling reliable assessment of data integrity across telecommunications and data communication networks. The D3281 integrates into Advantest’s error performance testing ecosystem alongside pulse pattern generators and transmission analyzers.
– Technical Specifications
The D3281 measures error performance across multiple metrics: error rate, error count, error second (ES), error-free second (EFS), and frequency/frame (FREQ/FRAME) modes. Input amplitude ranges from 0.1 to 2 Vp-p. Threshold level setup spans -2.040 to +2.040 V, with typical input sensitivity of 40 mV. The detector supports PRBS test patterns and programmable patterns for comprehensive signal validation.
Error detection distinguishes between INSERT (0→1) and OMITT (1→0) errors separately. SDH/SONET frame synchronization capability suits system-level evaluation requirements.
– Key Features
• Simultaneous error identification and counting for high-speed digital signals
• Multiple measurement modes: error rate, error count, ES, EFS, FREQ/FRAME
• PRBS and programmable pattern support
• SDH/SONET frame synchronization
• Monitor output for input data and clock observation during bit error measurement
• User interface optimized for efficient operation
• GPIB control interface
• Data storage via FD drive for measurement results and setup configurations
– Electrical Characteristics
Input amplitude tolerance: 0.1 to 2 Vp-p. Threshold adjustment range: -2.040 to +2.040 V. Input sensitivity: 40 mV (typ.).
– Typical Applications
Bit error rate testing in digital transmission systems, error performance validation in telecommunications infrastructure, data communication link assessment, and quality assurance for high-speed signal integrity.
– Compatibility & Integration
The D3281 operates within Advantest’s modular error performance testing framework, integrating with pulse pattern generators, transmission analyzers, and related error detection modules. GPIB interface enables system-level automation and control. NIST traceable calibration is available, with annual recalibration recommended for measurement accuracy assurance.
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