LeCroy DDA 5005A 5.0 GHz, 20 GS/s Disk Drive Analyzer

The LeCroy DDA 5005A is a 5.0 GHz disk drive analyzer engineered for high-speed signal acquisition and analysis in data storage applications. It captures, visualizes, and characterizes complex disk drive signals with precision, accelerating product development cycles and enabling rapid failure diagnosis on operational drives. Built on LeCroy’s X-Stream architecture, the instrument combines SiGe digitizer-on-chip technology with a high-speed streaming bus to move data efficiently from the ADC into proprietary acquisition memory. Engineers can measure signal fidelity, execute whole-track acquisition, perform read channel analysis, evaluate media noise characteristics, and extract head parametrics with speed and accuracy.

– Technical Specifications

• Bandwidth: 5.0 GHz
• Sample Rate: 10 GS/s per channel; 20 GS/s dual-channel mode
• Trigger Bandwidth: 5 GHz
• Acquisition Memory: Up to 100 Mpts dual-channel (XXL model); standard configuration captures 2.4 ms at 20 GS/s; XXL model captures 5 ms at 100 Mpts per dual-channel memory
• Segmented Memory: Available for sector-by-sector parametric analysis
• Maximum Capture Depth: Up to 20,000 sectors with XXL option; up to 25,000 sectors with DDA 3000/DDA 5005A XXL

– Key Features

• Edge triggers support signals to 5 GHz; SMART Triggers® and SMART Triggers with Exclusion Technology included
• Disk drive-specific triggers: Sector, Servo Gate, PES Trigger, Read Gate Trigger
• Disk Triggers enable multi-event qualification; capture entire tracks based on index or qualifying signals
• Waveform capture for sector and complete-track analysis
• Multi-Zoom functionality displays up to eight separate signal regions in distinct colors; QuickZoom for automatic expansion
• Parametric measurements: PWxx, amplitude, pulse shape, ACSN
• Eight math function traces (F1–F8) with user-defined operations; FFT analysis with power averaging, power density, real/imaginary components, and frequency domain parameters
• DMOD math function option available
• Cursor measurements support time and amplitude analysis across channels
• Read Channel Emulation, Servo Analysis, and Head Equalization tools

– Typical Applications

Read channel design validation, head and media characterization, sector-by-sector parametric testing, servo signal analysis, failure root-cause investigation on production drives.