Agilent/Keysight 34521B

The Agilent/Keysight 34521B is an AC/DC Source Module designed for integration into test systems requiring programmable voltage and current sourcing capabilities. Now obsolete, this module remains supported through documentation and service resources available from Keysight Service Centers, enabling users with legacy equipment to maintain operational continuity.

Technical Specifications

The 34521B functions as an AC/DC source module, providing both alternating and direct current output capabilities for bench and automated test environments.

Key Features

• AC/DC source functionality for diverse measurement and stimulus applications


• Integration with Keysight test platforms and modular systems


• Documented support and service availability through Keysight channels

Typical Applications The module suits applications requiring programmable AC and DC power stimulus, including component characterization, circuit validation, and automated test sequences where source control is essential.

Compatibility & Integration As a modular source element, the 34521B integrates into Keysight system architectures designed for modular instrumentation. While no longer in production, existing installations can access repair, calibration, and technical support through Keysight Service Centers. Self-support resources, including application notes and user documentation, remain available via the Keysight website.