The LeCroy WavePro 940 is a 4-channel digital oscilloscope designed for high-performance signal acquisition and analysis in electronics testing, circuit design, and signal integrity applications. It delivers up to 4 GHz bandwidth with configurable sample rates up to 10 GSa/s per channel and deep memory for extended waveform capture. The instrument combines advanced triggering, real-time signal processing, and a 10.4-inch touchscreen interface to enable precise measurement and analysis of complex signals in R&D, production, and quality assurance environments.
Technical Specifications
• Bandwidth: 4 GHz
• Channels: 4 independent
• Sample Rate: Up to 10 GSa/s per channel; up to 50 GSa/s for repetitive signals
• Memory Depth: Up to 50 Mpts per channel (standard 500 kpts, optional configurations to 16 Mpts per channel)
• Vertical Resolution: 8 bits; up to 11 bits with enhanced resolution (ERES)
• Input Impedance: 1 MΩ // 20 pF or 50 Ω selectable
• Input Coupling: AC, DC, and GND (1 MΩ mode); DC and GND (50 Ω mode)
• Maximum Input Voltage: 300 Vrms CAT I (1 MΩ); 5 Vrms (50 Ω)
• Display: 10.4-inch color TFT touchscreen with full-screen mode
– Key Features
• WaveStream Fast Viewing Mode delivers analog-like waveform representation for rapid anomaly detection
• Advanced triggering with edge-trigger capability for precise signal event isolation
• FFT and math functions enable frequency-domain and arithmetic analysis on acquired waveforms
• SMART Memory System automatically optimizes memory allocation and sample rate to prevent aliasing
• Sequence Mode captures extended event sequences with minimal dead time between triggers
• History/Analog Persistence displays intensity-graded trace distribution with acquisition timestamps
• QuickZoom provides 10X magnified multi-grid trace visualization for maximum resolution
• Optional signal averaging firmware for enhanced noise reduction
– Typical Applications
Electronics testing, circuit validation, signal integrity analysis, and production quality assurance across research, development, and manufacturing environments.
– Compatibility & Integration
Supports standard 1 MΩ probing (1 MΩ // 11 pF typical with PP005 probe) and 50 Ω termination for high-frequency measurements.

















