The Keysight E8311A is a 165 MHz pulse pattern generator designed for precision digital signal generation within VXI systems. This dual-channel module delivers pattern lengths up to 16 Kbit per channel with flexible timing adjustment from 2 ns to 200 ms, enabling accurate characterization of digital and mixed-signal devices across semiconductor testing, communications, radar, and aerospace/defense applications. The instrument combines fixed and variable trigger synchronization with support for multiple logic technologies, making it suitable for both laboratory development and production test environments.
Technical Specifications
• Maximum Frequency: 165 MHz
• Output Channels: 2
• Pattern Length: 16 Kbit per channel
• Output Amplitude: 10 V
• Output Impedance: 50 Ohms
• Transition Times: 2 ns to 200 ms (variable)
• Output Connectors: Single-ended SMA (f) 3.5 mm
• Form Factor: VXI C-size, 1-Slot, register-based module
• Operating Humidity: Maximum 95% relative humidity
• Operating Altitude: Up to 2000 meters
• Safety Classification: Class 1 instrument with protective earth terminal
– Key Features
• Two independently controlled output channels for complex test scenarios
• Adjustable trigger-in to signal-out delay with variable delay ranges for precise synchronization
• Compatible with TTL, CMOS, ECL, PECL, LVDS, GTL, and other digital logic technologies
• External clock/reference input for enhanced frequency accuracy via internal PLL
• Strobe output for burst and pattern mode operation
• External arming input for triggered or gated modes with leading/trailing edge generation
• VXIplug&play software drivers for manufacturing test environment integration
• Functionally compatible with Keysight 81110A programming syntax and patterns
– Typical Applications
• Semiconductor device testing and characterization
• Communications system validation
• Radar signal simulation
• Aerospace and defense test scenarios
• Mixed-signal circuit validation
– Compatibility & Integration
The E8311A integrates directly into VXI C-size, 1-Slot systems with VXIplug&play driver support. Programming compatibility with the Keysight 81110A allows straightforward transition between laboratory and production environments. The module also maintains compatibility with Keysight box pulse generators (81100 and 8110A series).


















