The Teledyne LeCroy WaveRunner LT342 is a legacy 2-channel digital oscilloscope featuring a 500 MHz analog bandwidth, 500 MS/s sampling rate per channel, and an 8.4-inch color TFT display. Designed for advanced waveform analysis, it combines robust triggering capabilities with LeCroy's signature measurement features in a compact benchtop form factor.
Specifications
General
| Parameter | Value |
|---|---|
| Display | 8.4 inch Color TFT-LCD, 640 × 480 (VGA) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 90 to 250 V AC, 45 to 66 Hz, 150 VA |
| Operating Temperature | 5 to 40 °C |
| Dimensions (W×H×D) | 355 mm × 211 mm × 363 mm |
| Weight | 8 kg |
Vertical System
| Parameter | Value |
|---|---|
| Analog Bandwidth (-3 dB) | 500 MHz at 50 Ω or 1 MΩ |
| Calculated Rise Time (10% to 90%) | 700 ps |
| Number of Input Channels | 2 |
| Input Impedance | 1 MΩ ± 1% || 12 pF, or 50 Ω ± 1% |
| Input Coupling | AC, DC, GND (1 MΩ); DC, GND (50 Ω) |
| Input Sensitivity Range | 2 mV/div to 10 V/div (1 MΩ); 2 mV/div to 1 V/div (50 Ω) |
| Vertical Resolution (ADC) | 8 bits |
| DC Gain Accuracy | ±1.5% of full scale |
| Maximum Input Voltage | 400 V max (1 MΩ); 5 V rms (50 Ω) |
| Channel-to-Channel Isolation | > 250:1 (DC to 100 MHz) |
| Hardware Bandwidth Limits | 20 MHz, 200 MHz |
| Maximum Input Voltage (50 Ω) | 5 V rms |
| Offset Range (2 mV to 50 mV/div) | ±0.5 V |
| Offset Range (100 mV to 500 mV/div) | ±5 V |
| Offset Range (1 V to 10 V/div) | ±50 V (into 1 MΩ) |
Horizontal System
| Parameter | Value |
|---|---|
| Maximum Real-Time Sampling Rate | 500 MS/s per channel |
| Equivalent-Time Sampling Rate (ETS) | 10 GS/s |
| Maximum Record Length (Points per Channel) | 250 kpoints |
| Time Base Range | 1 ns/div to 1000 s/div |
| Time Base Accuracy | ±10 ppm |
Trigger System
| Parameter | Value |
|---|---|
| Trigger Sources | Ch 1, Ch 2, External, Line |
| Trigger Modes | Auto, Normal, Single, Stop |
| Trigger Coupling | AC, DC, HFRej, LFRej |
| Edge Triggering | Positive or negative slope on any source |
| Pulse Width Triggering | Yes (2 ns to 20 s) |
| Runt Triggering | Yes |
| Interval Triggering | Yes (2 ns to 20 s) |
| Pattern/State Triggering | Yes |
| External Trigger Input Impedance | 1 MΩ || 12 pF, or 50 Ω |
Acquisition System
| Parameter | Value |
|---|---|
| Acquisition Modes | Single-shot, RIS, Roll, Average, Envelope, Sequence |
| Segmented Memory / Sequence Mode | Up to 1,000 segments |
| Maximum Waveform Capture Rate | Up to 100,000 waveforms/sec (in Sequence mode) |
Waveform Measurements and Analysis
| Parameter | Value |
|---|---|
| Automatic Voltage Measurements | Amplitude, Base, Max, Mean, Min, Peak-to-Peak, RMS, Top, Overshoot+, Overshoot- |
| Automatic Time Measurements | Delay, Duty Cycle, Fall Time, Frequency, Period, Phase, Rise Time, Width |
| Basic Math Functions | Add, Subtract, Multiply, Divide, Negate, Identity |
| Fast Fourier Transform (FFT) Window Types | Von Hann, Hamming, Flat Top, Rectangular |
| FFT Vertical Scale Options | Linear, Decibel (dBm) |
Display and User Interface
| Parameter | Value |
|---|---|
| Display Type | Color TFT-LCD |
| Display Size | 8.4 inch (213 mm) diagonal |
| Display Resolution | 640 × 480 pixels |
| Color Grading / Intensity Modulation | Analog Persistence display mode |
Connectivity and Ports
| Parameter | Value |
|---|---|
| GPIB (IEEE-488) Interface | Standard (IEEE-488.2) |
| RS-232 Port | DB-9 male, up to 115.2 kbps |
| External Video Output Port | VGA, DB-15 female |
| Auxiliary Output (Trigger Out) | Yes (BNC connector) |
| Probe Calibration / Demo Output | 1 kHz, 1 V square wave into 1 MΩ |
Processor and Storage
| Parameter | Value |
|---|---|
| Internal Operating System | VxWorks |
| Processor Type | Motorola PowerPC 603e (96 MHz) |
| Removable Storage Options | 3.5 inch 1.44 MB floppy drive, PCMCIA Type I/II/III |
Environmental Specifications
| Parameter | Value |
|---|---|
| Storage Temperature Range | -20 to 60 °C |
| Operating Humidity Range | ≤ 80% RH (non-condensing) at up to 30 °C |
| Operating Altitude | Up to 3,000 m (9,840 ft) |
| Cooling Method | Forced-air cooling (internal fan) |
Physical Characteristics
| Parameter | Value |
|---|---|
| Form Factor | Benchtop |
| Rackmount Options | Available via optional rackmount kit |
Compliance and Standards
| Parameter | Value |
|---|---|
| Safety Certifications | UL 3111-1, CSA C22.2 No. 1010.1, EN 61010-1 |
| Electromagnetic Compatibility (EMC) | EN 50081-1, EN 50082-1, FCC Class A |
| Calibration Interval | 1 year recommended |
Inputs & Outputs
| Parameter | Value |
|---|---|
| Probe Interface | ProBus (provides power and control for active probes) |
Interfaces
| Parameter | Value |
|---|---|
| Parallel Port | Centronics DB-25 |
Accessories
| Parameter | Value |
|---|---|
| Standard Passive Probe | PP006 (one per channel) |
| Internal Printer | Optional built-in thermal printer |
Triggering
| Parameter | Value |
|---|---|
| Dropout Triggering | Triggers if signal disappears for 2 ns to 20 s |
| Slew Rate Triggering | Triggers on rise/fall rate from 2 ns to 20 s |
| Trigger Holdoff by Events | 1 to 99,999,999 events |
| Trigger Holdoff by Time | 2 ns to 20 s |
| TV Trigger Standards | NTSC, PAL, SECAM |
| Internal Trigger Level Range | ±5 divisions |
| External Trigger Level Range | ±0.5 V (±5 V with Ext/10) |
Display & Analysis
| Parameter | Value |
|---|---|
| Multi-Zoom | Simultaneous display of up to 4 zoom waveforms |
Storage
| Parameter | Value |
|---|---|
| Floppy Drive Format | 3.5" 1.44 MB (MS-DOS compatible) |
| Non-volatile Waveform Memories | 4 reference memories (M1, M2, M3, M4) |
Technology
Digital Phosphor / DSO
Applications
Electronic Design, Troubleshooting, and Analysis
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