Agilent/Keysight E1681A

The Agilent/Keysight E1681A is a VXI Synchronous Payload Envelope (SPE) Generator module that generates synchronous payloads for specialized test and measurement applications. This C-size, single-slot VXI module integrates directly into VXI mainframes to facilitate precise timing and data stream manipulation within communication protocol test environments. Message-based control architecture enables flexible programming and seamless integration into automated test sequences.

Technical Specifications

• Module Type: VXI Synchronous Payload Envelope (SPE) Generator


• Form Factor: C-size, single-slot VXI module


• Device Architecture: Message-based device


• Primary Function: SPE generation for synchronous payload applications


• VXI Interface: Standard VXIbus connectivity


• Control Method: Message-based communication protocol

Key Features

• Single-slot form factor minimizes mainframe footprint


• Message-based device architecture supports flexible command sequences


• Standard VXIbus interface enables straightforward system integration


• Designed for applications demanding precise timing control and synchronized data delivery

Typical Applications

• Communication protocol signal generation with strict timing requirements


• SPE-based test scenarios in automated measurement systems


• Synchronous payload generation for digital signal analysis workflows


• Integration within multi-module VXI test platforms

Compatibility & Integration The E1681A operates within Agilent/Keysight VXI mainframes and requires VXIplug&play drivers or compatible SCPI command set implementation. Integration with logic analyzers, multiplexers, SONET/SDH analyzers, and signal generators within the same VXI chassis enables comprehensive multi-function test environments.