LeCroy LC684DL Digital Oscilloscope, 1.5GHz, 8GSa/s, 4 Channel

The LeCroy LC684DL is a 1.5 GHz digital oscilloscope built for signal acquisition, waveform characterization, and complex electronic testing. Its four channels deliver 8 GS/s sampling rate with up to 24 million points per channel, enabling detailed capture of fast transients and complex signal behavior. The instrument combines flexible triggering modes - including edge, pulse width, logic, video, pattern, runt, glitch, and setup/hold triggers - with over 100 automatic measurements and advanced math functions including FFT analysis.

Selectable vertical resolution (8-bit or 10-bit enhanced), bandwidth limiters (20 MHz to full 1.5 GHz), and noise reduction features support both general-purpose and specialized measurement tasks across multiple channels simultaneously.

Technical Specifications

• Bandwidth: 1.5 GHz


• Sampling Rate: 8 GS/s per channel


• Channels: 4


• Vertical Resolution: 8 bits (standard), 10 bits (enhanced)


• Input Coupling: DC, AC, GND


• Input Impedance: 50 Ω ± 2% or 1 MΩ ± 2%


• Vertical Range: ±50 mV to ±10 V per division


• Offset Accuracy: ±0.5% of full scale


• Record Length: Up to 24 million points per channel


• Bandwidth Limiters: 20 MHz, 100 MHz, 500 MHz, Full

Key Features

• Acquisition Modes: Normal, Average, Peak Detect, High Resolution (HiRes)


• Averaging: 2 to 1024 selectable averages


• Noise Reduction: Temporal and spatial noise reduction


• Triggering: Edge, pulse width, logic, video, pattern, runt, glitch, setup/hold, and sequence triggers with low jitter


• Measurements: Over 100 automatic measurements (Vpp, Vrms, frequency, rise time, duty cycle, and more) plus cursor-based time, amplitude, and frequency measurements


• Math Functions: Add, subtract, multiply, divide, FFT with windowing (rectangular, Hanning, Hamming, Blackman, flat top)

Typical Applications Signal integrity analysis, protocol testing, pulse characterization, frequency domain analysis, multi-channel synchronous measurements, and research and development in digital and mixed-signal systems.

Compatibility & Integration Cursor measurements support time and frequency analysis. FFT scaling options include log magnitude, magnitude, and log power for detailed spectral characterization.