The Tektronix DPO2002B is a 70 MHz, 2-channel digital phosphor oscilloscope built for real-time signal characterization and anomaly detection. It captures waveforms at up to 5,000 wfm/s, making infrequent events—glitches, runt pulses, and transient faults—visually apparent through real-time intensity grading. The instrument samples at 1 GS/s across all channels with 1 Mpoint record length and 5 ns rise time, enabling detailed capture over timescales from 4 ns to 100 s.
– Technical Specifications
• Bandwidth: 70 MHz
• Channels: 2 analog inputs
• Sample Rate: 1 GS/s on all channels
• Record Length: 1 Mpoint per channel
• Rise Time: 5 ns
• Waveform Capture Rate: Up to 5,000 wfm/s
• Time-base Range: 4 ns to 100 s
• Vertical Sensitivity: 2 mV/div to 10 V/div (1 MΩ input)
• DC Gain Accuracy: ±3% (5 V/div through 10 mV/div); ±4% (5 mV/div and 2 mV/div)
• Input Impedance: 1 MΩ ±2% || 11.5 pF ±2 pF (DC coupled)
• Input Coupling: DC, GND, AC
• Maximum Capture Duration (1 GS/s): 1 ms
– Key Features
• Digital Phosphor Technology: Real-time intensity grading distinguishes frequent from rare signal behaviors
• Acquisition Modes: Sample, Peak Detect (captures glitches as narrow as 3.5 ns), Averaging (2–512 waveforms), Roll mode
• Advanced Triggering: Runt, logic, pulse width/glitch, setup/hold violation, and serial packet triggers across I2C, SPI, CAN, LIN, RS-232/422/485, and UART
• Persistence Modes: Variable and infinite persistence for event frequency analysis
• Automated Measurements: 29 parametric measurements
• FFT Analysis: Frequency-domain waveform decomposition
• Wave Inspector® Controls: Automated search and navigation through acquired data
• FilterVu™ Variable Low-Pass Filter: Noise rejection without sacrificing high-frequency event capture
– Typical Applications
Digital design debug, signal integrity analysis, power supply characterization, embedded system troubleshooting, and protocol validation across serial and parallel buses.
– Compatibility & Integration
Per-channel vertical controls enable independent signal conditioning. MSO variants add 16 digital channels and parallel bus triggering capabilities.
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