The Tektronix BSX125 BERTScope is a protocol-aware Bit Error Ratio Analyzer designed for characterization and validation of high-speed digital communication systems up to 12.5 Gb/s. It delivers BER measurement capability to 1×10⁻¹² and supports interactive link training, FEC emulation, and patented Error Location Analysis™ for deterministic error identification across PCIe, SAS, USB3.1, and proprietary standards.
Technical Specifications
• Data Rate Range: 0.6 to 12.5 Gb/s (pattern generation and error analysis); up to 32 Gb/s for handshaking and DUT loopback
• Bit Error Rate Measurement: Up to 1×10⁻¹² BER
• Jitter Generation: 2.5 UI to 8.5 UI
• Input/Output Channels: 2 (1 transmit, 1 receive)
• Jitter Analysis: Integrated eye diagram with BER correlation, mask testing, jitter peak, BER contour, Q-factor analysis, and optional Jitter Map
• Spread Spectrum Clocking (SSC): Measurement of frequency deviation and modulation rate
– Key Features
• Protocol-Aware Handshaking: Interactive link training and synchronization with DUT supporting PCIe and SAS adaptive training up to 32 Gb/s
• Forward Error Correction (FEC) Emulation: Pre- and post-correction BER measurement for Reed-Solomon FEC codes
• Error Location Analysis™: Patented correlation and deterministic pattern analysis for identifying error sources
• Multi-Chain Pattern Sequencing: Protocol-oriented and bit-oriented sequence generation with enhanced editor
• Optional 4-tap Tx Equalization: Supports interactive link training and adaptive equalization
• Stressed Signal Generation (STR): Integrated, calibrated stress option for signal margin testing
• Digital Pre-emphasis Processor (DPP125C): Calibrated pre-emphasis for 10GBASE-KR, PCIe, SAS 12 Gb/s, DisplayPort®, and USB 3.1
– Compatibility & Integration
• Standards: PCIe Gen3 and Gen4, SAS, USB3.1, and emerging proprietary standards
• Software: Calibration and test automation available for key standards
• Accessories: Power cord, 3.5 mm receptacle adapter, optical mouse, mini USB keyboard
