Agilent / Keysight DSO80404B Infiniium High Performance Oscilloscope: 4 GHz

The Agilent/Keysight DSO80404B Infiniium is a 4 GHz oscilloscope engineered for signal analysis, debugging, and measurement in demanding test environments. The instrument delivers acquisition speeds up to 40 GSa/s in 2-channel mode and 20 GSa/s across all four channels, paired with configurable memory depth up to 500 Mpts. This combination enables detailed signal capture and analysis across telecommunications, semiconductor testing, and complex digital design applications.

Technical Specifications

• Bandwidth: 4 GHz


• Channels: 4 analog inputs


• Sample Rate: 40 GSa/s (2-channel mode); 20 GSa/s (4-channel mode)


• Memory Depth: Standard 20 Mpts; expandable to 50 Mpts, 100 Mpts, 200 Mpts, or 500 Mpts


• Vertical Resolution: 10-bit ADC


• Noise Floor: 188 µV @ 5 mV/div


• Trigger Jitter: < 1 ps (rms)


• Waveform Update Rate: Up to 4800 waveforms/sec


• Display: 8.4" XGA color display with 256 intensity levels


• Input Impedance: 50 Ω

Key Features

• Advanced trigger modes: edge, glitch, runt, timeout, pattern/pulse range, state, pulse width, line, window, setup and hold, video, and serial triggering


• InfiniiMax II probing system compatibility for demanding mechanical access


• 10-bit vertical resolution providing four times the resolution of traditional 8-bit oscilloscopes


• Sub-picosecond trigger jitter ensures precise timing measurements

Typical Applications High-speed digital signal characterization, serial data protocol analysis, jitter measurement and analysis, USB compliance testing, power integrity measurement, and multi-channel synchronous acquisition in complex system validation.

Compatibility & Integration USB test compliance option available. GPIB to LAN adapter accessory supported. Application-specific software includes jitter analysis (EZJIT, EZJIT Plus), serial protocol analysis (RS-232/UART, USB, PCI Express, I²C/SPI, CAN/LIN/FlexRay, Ethernet, MIPI D-PHY, JTAG), power measurement, and Vector Signal Analysis (89601A) integration. MATLAB user-defined function capability supported. Memory depth and bandwidth upgradeable.