The Keysight 84904L Programmable Step Attenuator is designed to deliver precise, repeatable, and reliable signal attenuation for demanding RF and microwave applications. With 1 dB step resolution across an 11 dB range, it provides accurate signal conditioning for applications requiring fine control. Operating from DC to 40 GHz, this attenuator is ideal for high-frequency test environments such as aerospace, defense, communications, and advanced research. Built with Keysight’s proven quality standards, the 84904L integrates seamlessly into both automated and manual test systems, ensuring long-term performance and reduced measurement uncertainty.
Key Features:
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Programmable step attenuator with 1 dB increments
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11 dB total attenuation range
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Frequency coverage from DC to 40 GHz
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High repeatability and low insertion loss
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Compact and rugged design for extended reliability
Included Accessories:
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User documentation
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Standard RF connectors (2.92 mm or equivalent, as specified)
Compliance:
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Manufactured to Keysight’s quality and calibration standards
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Suitable for ISO/IEC 17025 accredited laboratory use
Benefits for Lab Users:
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Enables accurate and repeatable signal adjustments
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Simplifies integration into automated test setups
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Reduces test variability and signal distortion
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Provides flexibility for diverse RF and microwave research applications





