The Agilent/Keysight DSA90404A Infiniium High Performance Oscilloscope delivers 4 GHz analog bandwidth across four channels, purpose-built for signal integrity analysis and high-speed serial data characterization. The instrument combines deep acquisition memory, low-noise measurement performance, and hardware-accelerated de-embedding to address demanding test requirements in modern digital designs. Equipped with specialized jitter analysis software and compliance tools, the DSA90404A streamlines complex signal measurements and automated analysis workflows.
Technical Specifications
Bandwidth and Channels
• Analog bandwidth: 4 GHz (expandable to 13 GHz)
• 4 analog channels
• Maximum sample rate: 40 GSa/s (2 channels) / 20 GSa/s (4 channels)
• Standard acquisition memory: 50 Mpts per channel
• Optional memory upgrade: 1 Gpts per channel
Measurement Performance
• Noise floor: 0.79 mVrms at 50 mV/div
• Vertical resolution: 8 bits
• System ENOB: exceeds 7 typical
• Low intrinsic jitter: 100 fs typical
• Resolution bandwidth: 6 kHz (standard 10 Mpts memory at 40 GSa/s); 2 kHz (with optional memory)
Display and Interface
• 12.1-inch color XGA TFT-LCD touchscreen (1024 × 768 pixels)
• 256-level grayscale intensity
• Windows operating system (embedded)
• Ethernet: 10/100/1000Base-T via RJ-45
• Multiple USB 2.0 host ports; USB 3.0 host/device ports on related models
• Optional GPIB interface
• External timebase reference input and output supported
– Key Features
• Deep jitter analysis capability with EZJIT Complete and EZJIT Plus software included
• Hardware-accelerated de-embedding for probe, fixture, and channel effect compensation
• Built-in FFT with Hanning, Flattop, and Rectangular windowing for frequency domain analysis
• Cursor-based power measurements
• High-speed serial data analysis tools integrated
• User-defined measurement automation through application development
• MATLAB support for advanced analysis integration
– Typical Applications
Signal integrity validation, serial protocol compliance testing, jitter characterization, and frequency domain analysis in high-speed digital and mixed-signal design environments.
– Compatibility & Integration
Windows-based acquisition and analysis platform with standard LAN and USB connectivity. GPIB option available for legacy instrument control. External reference clock inputs enable synchronization in multi-instrument test setups.
