The LeCroy LT374L is a 4-channel digital oscilloscope delivering 500 MHz bandwidth and up to 4 GS/s sampling rate for comprehensive waveform analysis across electronics testing, circuit design, and research applications. This instrument combines high-speed signal capture with intuitive measurement tools to resolve complex transients and timing relationships in modern electronic systems.
Technical Specifications
Bandwidth & Sampling
• 500 MHz analog bandwidth (–3 dB @ 50 Ω)
• 4 GS/s maximum sampling rate; 2 GS/s per-channel single-shot rate
• 4 Mpts acquisition memory per channel (8 Mpts total)
• 5 ps interpolator resolution
Vertical System
• 8-bit vertical resolution; up to 11 bits with Enhanced Resolution (ERES)
• 2 mV to 10 V/div sensitivity, fully variable
• Input impedance: 50 Ω (±1%) or 1 MΩ (±1%, ~12 pF)
• DC gain accuracy: ±(1.5% + 0.5% FS)
• Maximum input: 5 Vrms @ 50 Ω; 400 V max @ 1 MΩ (peak AC ≤5 kHz + DC)
Timebase System
• 1 ns/div to 1000 s/div range
• Clock accuracy: ≤10 ppm
• Horizontal time-axis accuracy: ±(0.01% + 500 ps)
• Roll mode: 500 ms/div to 1000 s/div or <100 kS/s
Triggering System
• 500 MHz maximum trigger frequency
• ±5 div internal trigger range
• 1 div p-p trigger sensitivity (DC to 500 MHz)
• External trigger: ±5 V (±0.5 V with 10× attenuation)
• SMART Trigger for signal-specific conditioning
– Key Features
• 8.4-inch color LCD display with color-coded interface
• Wavepilot™ for streamlined capture and analysis
• QuickZoom magnification controls
• TrackView problem-tracking utility
• MaskMaker mask-generation tool
– Typical Applications
Design validation, prototype debugging, power-supply characterization, digital signal integrity, EMI/EMC precompliance, and educational laboratory measurement.
– Compatibility & Integration
10/100Base-T Ethernet, USB (5 ports), RS-232, parallel, SVGA video output, and audio I/O. ActiveDSO utility supports ActiveX automation and integration with external software workflows. Input coupling options: AC/DC/GND (1 MΩ); DC/GND (50 Ω).
