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8473B Low-Barrier Schottky Diode Detector, 10 MHz to 18 GHz

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Starting From US$ 708

Typical Configuration  

Typical Configuration

8473B Coaxial Crystal Detector

  • R-51B-001-C Return to Keysight Warranty - 1 year


Prices for: United States

* Prices are subject to change without notice. Prices shown are Manufacturer's Suggested Retail Prices (MSRP). Prices shown are exclusive of taxes.

Key Features & Specifications

Superior RF Performance

  • Frequency response: ±0.3 dB to 12.4 GHz, ±0.6 dB to 18 GHz
  • Maximum SWR: 1.2 to 4 GHz, 1.5 to 18 GHz
  • Low-level sensitivity: > 0.5 mV/uW
  • Maximum operating input power: 200 mW
  • Typical short-term maximum input power (< 1 minute): 1 W
  • Noise: < 50 uV
  • Output polarity: negative
  • Input connector: 3.5 mm male


The Keysight 8473B Low-Barrier Schottky Diode (LBSD) detector has been widely used for many years in a variety of applications including leveling and power sensing. It offers good performance and ruggedness. Matched pairs (Option 001) offer very good detector tracking.