Lecroy 735Zi

The Teledyne LeCroy WaveRunner 735Zi is a 3.5 GHz digital oscilloscope engineered for high-speed signal integrity and protocol analysis. With four analog channels, selectable 50 Ω or 1 MΩ input impedance, and sampling rates to 40 GS/s, it captures transient and repetitive signals with 8-bit vertical resolution (11 bits with ERES). The instrument delivers ±1.5% DC gain accuracy and time interval accuracy < 0.06 / SR + (clock accuracy × Reading) rms, meeting stringent measurement requirements across communications, power delivery, and mixed-signal design.

– Technical Specifications

• Bandwidth: 3.5 GHz
• Analog Channels: 4
• Sampling Rate: 20 GS/s, 40 GS/s
• Memory Depth: 64 Mpts, 256 Mpts, 400 Mpts
• Vertical Resolution: 8 bits (11 bits with ERES)
• Input Impedance: 50 Ω ±2% or 1 MΩ || 16 pF; 10 MΩ || 11 pF with supplied probe
• Input Coupling: 1 MΩ (AC, DC, GND); 50 Ω (DC, GND)
• Maximum Input Voltage: 50 Ω: ±5 Vrms; 1 MΩ: 250 V max (peak AC ≤ 10 kHz + DC)
• Sensitivity: 50 Ω: 2 mV–1 V/div (2–9.99 mV/div via zoom); 1 MΩ: 2 mV–10 V/div
• DC Gain Accuracy: ±1.5% of full scale
• Offset Accuracy: ±(1.5% of full scale + 1.0% of offset value + 1 mV)
• Timebase Range: 20 ps/div–1000 s/div (RIS: 20 ps/div–10 ns/div; Roll: up to 1000 s/div)
• Clock Accuracy: ≤ 1 ppm + 0.5 ppm/yr aging
• Time Interval Accuracy: < 0.06 / SR + (clock accuracy × Reading) rms

– Key Features

• Triggering: Edge, TV-Composite Video (NTSC, PAL, HDTV, CUSTOM), Window, State/Edge Qualified, Glitch (200 ps), Width (200 ps), Interval (1 ns–20 s), SMART with Exclusion Technology, TriggerScan
• Analysis: WaveScan advanced search, auto-correlation, sparse/cubic/quadratic interpolation, 12 simultaneous measurements with statistics (average, high, low, standard deviations), histicons, pass/fail testing, jitter and timing analysis

– Typical Applications

Signal integrity validation, protocol debug, power delivery networks, high-speed digital design, timing analysis, and anomaly detection in complex multi-channel systems.

– Compatibility & Integration

Supported input configurations include standard probes and selectable 50 Ω/1 MΩ coupling for direct PCB measurement and high-impedance signal capture.