LeCroy LC574AL Digital Oscilloscope, 1GHz, 4 Channel

The LeCroy LC574AL is a 1 GHz four-channel digital oscilloscope engineered for high-speed signal acquisition and waveform analysis. It captures complex signals across multiple channels simultaneously, delivering the timing resolution and memory depth required for detailed signal characterization in research and production environments.

Technical Specifications

• Bandwidth: 1 GHz


• Maximum sample rate: 4 GS/s (single channel), 2 GS/s (four channels)


• Acquisition memory: 8 million points


• Vertical resolution: 8 bits


• Timebase range: 1 ns/div to 1,000 s/div


• Interpolator resolution: 10 ps


• Clock accuracy: ≤10 ppm Input Characteristics


• Input impedance: Selectable 1 MΩ || 13 pF, 1 MΩ || 11 pF, 1 MΩ || 15 pF, 10 MΩ || 11 pF, 10 MΩ || 15 pF, or 50 Ω ±1%


• Maximum input voltage: 400 Vrms


• Input coupling: AC, DC, GND


• External trigger input: ±0.5 V (±5 V with Ext/10) Triggering Architecture


• Trigger types: Edge, Pulse Width, Runt, Timeout, Window, Pattern, State, Setup and Hold, Rise/Fall Time, Video, Serial, Glitch, Interval, Slew-Rate, Exclusion


• Trigger bandwidth: 1 GHz


• Pre-trigger recording: 0 to 100%


• Post-trigger delay: 0 to 10,000 divisions


• Holdoff: 10 ns to 20 s (time-based) or 0 to 99,999,999 events Display and Processing


• 9" color CRT with 640 × 480 pixel resolution


• Up to 8 simultaneous traces


• Display modes: Analog Persistence, Color-Graded Persistence, Full Screen


• Grid options: Single, Dual, Quad, Octal, XY, and combined formats


• 96 MHz PowerPC 603e processor


• System memory: 8 to 64 MB RAM


• Persistence data map: 16 bits per pixel (64 k levels)

Key Features

• Random Interleaved Sampling (RIS) for extended effective sample rates


• SMARTMemory dynamic memory management


• Probe attenuation factor selection


• Roll mode acquisition: 500 ms to 1,000 s/div


• Multiple acquisition modes: Single Shot, Sequence

Typical Applications High-speed digital circuit characterization, analog signal integrity analysis, embedded system debugging, power supply ripple and transient measurement, serial protocol analysis, and complex multi-channel waveform correlation.

Compatibility & Integration GPIB and RS-232-C communication interfaces. Centronics parallel printer port. Optional PC Card (PCMCIA) slot for memory expansion and removable storage.