Agilent / Keysight E8311A Pulse Pattern Generator, 165 MHz VXI C-1

The Agilent/Keysight E8311A is a VXI C-size, 1-slot, register-based pulse pattern generator delivering 165 MHz maximum frequency across two independent output channels. This module generates high-speed digital signals with precise timing control and versatile trigger modes, making it ideal for functional verification of high-speed digital and mixed-signal devices, clock generation in automated test systems, radar testing, serial bus testing, and flash memory testing.

Technical Specifications

• Frequency range: 1 mHz to 165 MHz


• Timing resolution: 3.5 digits, 5 ps best case


• Minimum pulse width: 1.5 ns (external width mode)


• Transition times: 2 ns to 200 ms variable Pattern & Output Formats


• Pattern length: 16 Kbit per channel


• Output formats: RZ, NRZ, DNRZ


• Random patterns: PRBS 2ⁿ⁻¹ (n = 7 to 14)


• Output amplitude: 10 V into 50 Ω load


• Output impedance: 50 Ω typical Trigger Specifications


• Input impedance: 50 Ω / 10 kΩ selectable


• Trigger input threshold: -10 V to +10 V


• Maximum external input voltage: ±15 Vp-p


• Trigger input sensitivity: ≤300 mVp-p typical


• External trigger transition time: <100 ns

Key Features

• Dual output channels can operate independently or combine to form multi-level waveforms


• Six trigger modes: Continuous, External Triggered, External Gated, External Width, Manual, and Internal Triggered


• Fixed trigger-in to signal-out delay for stable synchronization


• Variable delay ranges for precise timing alignment


• Synchronously triggerable internal oscillator and stable internal PLL


• External frequency reference input supported


• TTL/ECL Trigger Bus on VXI backplane

Typical Applications

• Functional verification of high-speed digital circuits


• Mixed-signal device testing


• Automated test system clock generation


• Radar signal testing


• Serial bus protocol testing


• Flash memory functional testing

Compatibility & Integration Functionally compatible with the Agilent/Keysight 81110A, enabling straightforward migration of test routines from laboratory to production environments. Integrates into VXI test systems via VXIplug&play software drivers. SMA (f) 3.5 mm connectors for output channels; P1/P2 connectors for VXI bus.