Keysight (Agilent) E1428A 250 MHz, 2-Channel VXI Oscilloscope

The Keysight (Agilent) E1428A is a 250 MHz, 2-channel VXI oscilloscope engineered for signal analysis and measurement within modular VXI-based test systems. This instrument delivers the bandwidth and channel density required for research, development, and production testing environments where multi-channel acquisition and precise waveform characterization are essential. The E1428A mounts directly into VXI chassis, providing scalable instrumentation for complex automated test setups.

– Technical Specifications

Vertical System
• Channels: 2
• Bandwidth: 250 MHz
• Input Coupling: AC, DC, GND
• Input Impedance: 1 MΩ || 20 pF
• Vertical Resolution: 8-bit ADC
• Sensitivity: Configurable per channel (µV/div to V/div range)

Horizontal System
• Time Base Range: Wide sweep speed selection from nanoseconds to seconds per division
• Trigger Modes: Edge, Pulse Width, Video, Pattern
• Trigger Jitter: Low jitter for stable waveform capture

Acquisition System
• Sampling: Real-time sampling with interleaved capability for higher effective rates
• Acquisition Modes: Peak Detect, Sample, Average
• Record Length: Mode-dependent with configurable memory allocation

Display
• High-resolution LCD screen with waveform rendering and parameter readout

Measurement Capabilities
• Cursor-based voltage and timing measurements
• Automated rise time, fall time, overshoot, and undershoot analysis
• FFT for frequency domain analysis

– Key Features

• 250 MHz bandwidth across both channels
• VXIplug&play interface for instrument control and data transfer
• AC/DC/GND input coupling flexibility
• Advanced trigger architecture supporting complex signal detection
• Peak detection for transient capture and waveform preservation
• FFT capability for spectral analysis

– Typical Applications

• Multi-channel signal verification in automated test systems
• Transient and pulse characterization
• Frequency domain analysis via FFT
• Research and development signal validation
• Production test environments requiring modular instrumentation

– Compatibility & Integration

The E1428A integrates into standard VXI mainframes via VXIplug&play protocol, enabling command and control alongside complementary VXI modules. The instrument occupies single-slot form factor, allowing flexible chassis configuration.