DHO4404

RIGOL DHO4404 400 MHz 4-Channel 12-bit Digital Oscilloscope

The RIGOL DHO4404 is a 400 MHz, 4-channel digital oscilloscope from the DHO4000 series with 12-bit vertical resolution (up to 16-bit in high-resolution mode). It samples at up to 4 GSa/s and captures up to 1,500,000 wfms/s (UltraAcquire), making it well suited for low-noise signal analysis, power electronics and embedded debugging.

Key Specifications

• Bandwidth: 400 MHz
• Analog channels: 4 + EXT trigger
• Sample rate: 4 GSa/s (single channel), 2 GSa/s (half channels), 1 GSa/s (all channels)
• Vertical resolution: 12 bits (16 bits in high-resolution mode)
• Memory depth: 250 Mpts standard (single channel), 500 Mpts optional
• Waveform capture rate: up to 1,500,000 wfms/s (UltraAcquire)
• Display: 10.1-inch capacitive multi-touch display, 1280 × 800

Analysis & Triggering

• Standard protocol decode: CAN, I2C, Parallel, RS232/UART, SPI
• Trigger types: Delay, Duration, Edge, Nth Edge, Pattern, Pulse, Runt, Setup/Hold, Slope, Timeout, Video, Window, plus serial triggers CAN, I2C, RS232/UART, SPI
• FFT with up to 1 Mpts record length and peak search
• Automatic measurements, math functions, zoom, search & navigation and pass/fail testing

Connectivity

• USB 3.0 Host (2x), USB 3.0 Device, Gigabit LAN (LXI-C), HDMI, 10 MHz Ref In/Out, Web control
• Optional decode/trigger: LIN, CAN-FD, FlexRay, I2S, MIL-STD-1553; optional power analysis

Standard Accessories

• Passive probes: 4x RP3500A (500 MHz)
• Power adapter / power cord