Agilent/Keysight EXR258A

The Keysight EXR258A is an 8-channel real-time oscilloscope delivering 2.5 GHz bandwidth and 16 GSa/s sample rate across all analog channels simultaneously. This 7-in-1 instrument integrates logic analysis, protocol analysis, arbitrary waveform generation, frequency response analysis, digital voltmeter, and counter functionality into a single platform. Built for R&D, manufacturing, and field testing in wireless, aerospace, and defense sectors.

Technical Specifications

• Bandwidth: 2.5 GHz (upgradeable)


• Analog Channels: 8


• Digital Channels: 16


• Maximum Sample Rate: 16 GSa/s on all channels simultaneously


• Memory Depth: 100 Mpts/channel standard; upgradeable to 400 Mpts/channel or 1.6 Gpts/channel


• ADC Resolution: 10-bit standard, upgradeable to 16-bit high-resolution mode


• Waveform Update Rate: >200,000 wfm/s


• System ENOB: Up to 9.0 bits (8.1 bits typical)


• Noise Floor: As low as 43 µV


• Display: 15.6-inch capacitive color touch screen, 1920×1080 Full HD resolution

Key Features

• Multi-touch interface with setup wizards for common measurements, trigger/decode configurations, eye diagrams, power analysis, power integrity, and jitter decomposition


• Fault Hunter expert system for automatic error evaluation against user-defined criteria


• Flexible channel configuration: 8 analog + 16 digital logic analysis channels


• Arbitrary waveform generator at 50 MHz (optional)


• Frequency response analyzer at 50 MHz (optional)


• Protocol analyzer (optional)


• Bode plotter (optional)


• Standard 4-digit digital voltmeter and 10-digit counter


• High waveform capture rate enables detection of rare and intermittent events


• Memory depth scaling supports extended signal observation windows

Typical Applications

• Wireless communication design and validation


• Aerospace and defense signal characterization


• High-speed digital protocol debugging


• Power integrity and signal integrity analysis


• Jitter and timing measurements


• Arbitrary waveform generation and frequency response testing

Compatibility & Integration Keysight I/O libraries suite included for instrument control and data integration.