LeCroy LA354 Color Analog Oscilloscope, 500MHz, 4 Channel

The LeCroy LA354 is a 4-channel analog oscilloscope delivering 500 MHz bandwidth across all channels for detailed signal analysis and waveform characterization. Built around a 2-inch scan converter tube with CCD imaging (approximately 450 × 700 pixels), this instrument excels at capturing infrequent and irregular signals using variable persistence display technology - a critical advantage for glitch detection, single-event analysis, and video signal examination. The 5.5-inch color TFT-LCD with electronic 8 × 10 division graticule provides real-time waveform visualization with persistence, observe noise, jitter, and transient behavior that can escape traditional digital oscilloscopes.

Technical Specifications

• Analog Bandwidth: 500 MHz (DC to 500 MHz, all channels)


• Channels: 4


• Vertical Sensitivity: 1 mV/div to 10 V/div


• Vertical Resolution: 8 bits


• Rise Time: < 700 ps


• Horizontal Time Base: 500 ps/div to 100 s/div


• Storage Writing Speed: 5 div/ns (200 ps/div)


• Display: 5.5-inch color TFT-LCD, 240 × 320 pixels, variable persistence


• CCD Scan Converter: 450 × 700 pixels connected via optical fiber bundle


• Input Impedance: 1 MΩ || 14 pF


• Maximum Input Voltage: 400 V (DC + peak AC)


• Input Coupling: GND, DC 1 MΩ, AC 1 MΩ, DC 50 Ω


• Power Consumption: 120 VA maximum


• Operating Voltage: 100–240 VAC


• Physical Dimensions: 392 mm × 177 mm × 130 mm


• Weight: 4.5 kg

Key Features

• Dual delay time settings for B-sweep triggering


• Multiple trigger modes: Event, Burst, TV (with clamping), Edge, Pulse Width, Video, Logic, Pattern, Delay, Timeout, Runt, Setup/Hold, Window, Nth Edge, and Nth Edge Glitch


• Built-in frequency counter and cursor measurements


• Storage of up to 256 instrument setups


• Video output via rear-panel BNC (NTSC Color Composite, 75 Ω)


• Waveform output to video printer or personal computer via optional video board

Typical Applications Signal analysis in analog circuit design, video signal characterization, transient and glitch capture, jitter measurement, and troubleshooting of complex waveforms in broadcast and video engineering environments.

Compatibility & Integration NTSC color composite video output enables direct connection to video printers and external recording equipment. Optional video board interface supports data transfer to personal computers for post-acquisition analysis.