The Rigol HDO4404 is a high-performance 400MHz, 4-channel digital oscilloscope designed for engineers, researchers, and professionals who demand precision and reliability in signal analysis. Featuring a high-definition 12-bit vertical resolution, this oscilloscope delivers exceptional clarity and low noise for accurate waveform capture.

Equipped with a powerful 4 GSa/s sampling rate and up to 200 Mpts memory depth per channel, the Rigol HDO4404 ensures detailed signal visibility across complex applications. Its intuitive 10.1-inch touchscreen interface enhances productivity with advanced analysis tools, including protocol decoding, FFT, and real-time waveform recording.

Built for modern laboratories, R&D environments, and embedded system debugging, the Rigol HDO4404 offers seamless connectivity via USB, LAN, HDMI, and supports remote control for flexible operation.

Key Features:

• 400MHz Bandwidth, 4 Analog Channels

• 12-Bit High Definition Vertical Resolution

• 4 GSa/s Real-Time Sample Rate

• 200 Mpts Memory Depth

• 10.1” Capacitive Touchscreen Display

• Advanced Triggering & Serial Protocol Analysis

• USB, LAN, and HDMI Interface Support

• Low Noise Front-End Design for Superior Accuracy

  Technical Specifications:

  • Bandwidth: 400 MHz

  • Channels: 4 analog input channels

  • Vertical Resolution: 12-bit high-definition ADC

  • Sampling Rate: Up to 4 GSa/s real-time

  • Memory Depth: 200 Mpts per channel

  • Waveform Capture Rate: Up to 1,500,000 wfms/s (segmented mode)

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

  • Vertical Sensitivity: 500 μV/div to 10 V/div

  • Time Base Range: 1 ns/div to 1000 s/div

  • Trigger Modes: Edge, Pulse Width, Logic, Runt, Window, Nth Edge, Serial Bus, and more

  • Math Functions: FFT, addition, subtraction, multiplication, division, integration, differentiation

  • Protocol Decoding: I²C, SPI, UART, CAN, LIN (optional upgrades available)

  • Interfaces: USB Host & Device, LAN (Ethernet), HDMI, Pass/Fail, Trigger Out

  • Display: 10.1” WXGA (1280×800) capacitive multi-touch screen

  • Operating System: Embedded Linux-based UI for fast response and remote control

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  Applications:

  The Rigol HDO4404 is an ideal oscilloscope for a broad range of testing, validation, and diagnostic tasks, including:

  • Embedded System Design & Debugging – Visualize and debug digital and analog mixed-signal designs with advanced triggering and decoding tools.

  • Power Electronics & Inverter Testing – Accurately analyze low-noise, high-resolution signals in switching power supplies, converters, and motor control circuits.

  • Automotive Electronics & ECU Diagnostics – Capture CAN, LIN, and analog signals for automotive system development and troubleshooting.

  • Communication Systems – Examine high-frequency modulated signals, clocks, and buses in RF and high-speed digital communication systems.

  • Research & Development Labs – Trusted by engineers and researchers for signal integrity analysis and high-precision measurements.

  • Educational Institutions & Training Labs – A robust teaching tool for waveform analysis, hands-on training, and engineering lab exercises.

  • Service & Maintenance – Diagnose faults and measure signal integrity in field service environments or electronic repair labs.