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.
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