Tektronix DPO4054B Digital Phosphor Oscilloscope

The Tektronix DPO4054B is a 500 MHz, four-channel digital phosphor oscilloscope engineered for signal analysis, debugging, and characterization in embedded systems, telecommunications, and power electronics. It captures waveforms at 5 GS/s across all channels simultaneously with 12-bit ADC resolution and up to 100,000 wfms/s acquisition rate. Digital phosphor technology renders signal intensity grading to reveal glitches, anomalies, and rare events missed by conventional oscilloscopes. The instrument provides over 50 automated measurements, advanced triggering modes, FFT and math functions, and optional protocol decode modules for I2C, SPI, CAN, LIN, I2S, and parallel bus analysis.

– Technical Specifications

• Bandwidth: 500 MHz
• Analog Channels: 4
• Maximum Sample Rate: 5 GS/s (simultaneous all channels)
• Record Length: 10 Megapoints per channel
• ADC Resolution: 12 bits
• Waveform Capture Rate: Up to 100,000 wfms/s
• Digital Phosphor Technology: Three-dimensional display with intensity grading

– Key Features

• Standard triggers: Edge, Pulse Width, runt, Logic, Setup/Hold, Serial Packet
• Over 50 automated waveform measurements including amplitude, frequency, period, rise time, fall time, pulse width, and duty cycle
• Real-time waveform numerics with time or graphical gating
• Math functions: Add, Subtract, Multiply, Divide, FFT, Integrate, Differentiate, Square Root
• Search and mark capability for navigating recorded data by trigger conditions or measurement thresholds
• Probe compensation output for signal integrity verification

– Triggering & Analysis

Standard triggering covers edge, pulse width, runt, logic, and setup/hold conditions. Optional modules expand capability: DPO4EMBD enables I2C, SPI, CAN, and LIN trigger and decode; DPO4AUDIO adds I2S, LJ, RJ, and TDM support; DPO4LMT provides jitter and eye diagram analysis; DPO4COMP handles parallel bus triggering.

– Integration

Front-panel USB port accepts mass storage devices for waveform and setup archiving. Rear-panel USB device port enables PC remote control and data transfer.