The LeCroy 42MXS-B is a 400 MHz, 2-channel digital oscilloscope engineered for signal analysis and electronic troubleshooting. Part of the WaveSurfer MXs-B series, it delivers 5 GS/s single-shot sampling with 50 GS/s equivalent sample rate and up to 32 Mpts/channel memory depth. The instrument combines high-performance analog acquisition with advanced waveform processing, touch screen interface, and flexible triggering to enable rapid capture and analysis of complex signals across diverse test environments.
Technical Specifications
Acquisition
• Bandwidth: 400 MHz
• Analog channels: 2
• Maximum sample rate: 5 GS/s per channel (single-shot)
• Equivalent sample rate: 50 GS/s
• Memory depth: 16 Mpts/channel or 32 Mpts/channel (2-channel mode)
• Vertical resolution: 8 bits
• Rise time: 875 ps
Vertical System
• Input impedance: 1 MΩ ± 1.0% || 16 pF ± 2 pF, or 50 Ω ± 1.0%
• Input coupling: AC, DC, GND
• Maximum input voltage: ±250 Vpk (1 MΩ), 5 VRMS (50 Ω)
• Sensitivity: 2 mV/div to 10 V/div (1 MΩ), 2 mV/div to 1 V/div (50 Ω)
• DC gain accuracy: ±1.5%
• Offset range: ±1 V, ±10 V, ±100 V (variable per scale)
• Channel-to-channel isolation: ≥52 dB at 100 MHz; ≥40 dB at 400 MHz
• Bandwidth limiters: 20 MHz, 200 MHz
Horizontal System
• Time/division: 200 ps/div to 1000 s/div
• Clock accuracy: 5 ppm
• Trigger and interpolator jitter: 3 ps (rms)
Acquisition Modes
• Averaging: Up to 1,000,000
• Interpolation: Linear, Sin x/x
• Enhanced resolution: Up to 11 bits
• Sequence mode: Up to 5,000 segments
Triggering
• Modes: Normal, Auto, Single, Stop
• Sources: Ch 1–Ch 2, EXT, EXT/10, AC Line
• Coupling: AC, DC, LF Rej, HF Rej
• Pre-trigger delay: 0–100% full scale
• Post-trigger delay: 0–10,000 divisions
• Trigger sensitivity: 1.0 division (200 MHz), 2.0 divisions (400 MHz)
• Standard trigger types: Edge, Glitch, Width, Logic (Pattern), TV, Runt, Slew Rate, Interval, Dropout, Qualified
• Optional triggers: I2C, SPI, UART, RS-232, USB, Audio (I2S, LJ, RJ, TDM), MIL-STD-1553, AR
– Key Features
• Large touch screen display for intuitive navigation
• Flexible input impedance selection (1 MΩ or 50 Ω)
• External trigger support with ±0.4 V (Ext) and ±4.0 V (EXT/10) input ranges
• Deep memory enables long-duration waveform capture
• Advanced waveform processing with up to 11-bit vertical resolution via enhancement
• Sequence mode segmentation for multi-trigger event analysis
– Typical Applications
• Digital and analog circuit debugging
• High-speed signal characterization
• Transient and pulse measurements
• Serial protocol analysis (I2C, SPI, UART, USB)
• Audio and embedded system validation
– Compatibility & Integration
External trigger inputs accept logic and analog signals. Optional serial data trigger licenses enable protocol-specific analysis without external decode modules.
