Keysight 423B Low-barrier Schottky Diode Detector

The Keysight 423B Low-Barrier Schottky Diode Detector is a high-performance RF detection accessory optimized for accurate signal and power measurements. Featuring a highly sensitive Schottky diode design, it delivers outstanding detection linearity across a broad frequency range, making it suitable for both laboratory and production environments.

Engineered for use in RF and microwave systems, the 423B provides low-level signal detection with excellent stability and repeatability. Its low-barrier diode technology reduces junction voltage, improving sensitivity for small signal measurements while maintaining accuracy at higher power levels. This makes it an indispensable tool for measuring RF envelope levels, monitoring microwave signals, and serving as a detector in leveling systems.

Compact and rugged, the 423B integrates seamlessly into test setups for communications, radar, aerospace, and general-purpose RF testing applications.

Key Features:

• Precision low-barrier Schottky diode detector

• Wide RF/microwave frequency coverage (MHz to GHz range)

• High sensitivity with excellent linearity

• Rugged and compact coaxial design

• Stable, repeatable detection for lab and production use

Compatible Equipment:
RF/microwave power meters, signal sources, leveling systems, and test setups requiring diode-based detection.

Included Accessories:
Supplied as a standalone detector with protective connector cap.

Compliance:
Meets Keysight manufacturing and ISO quality standards; suitable for GLP-compliant laboratories.

Benefits for Lab Users:
The Keysight 423B delivers precise, repeatable RF detection with superior sensitivity and linearity, making it essential for applications requiring accurate low-level RF power measurements. Its reliability and ease of integration help engineers achieve consistent results in calibration labs, R&D, and production testing.