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NBS Series

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Cryogenic Noise Standards

NBS Series

The NBS-Series consists of calibration standards based on the primary fundamental physic constants of thermal noise and blackbody radiation. This provides the ultimate accuracy when measuring extremely low noise figures (noise temperatures). Simple, and versatile to use, the NBS-Series is an ideal solution for noise source calibrations, radiometer test references and low noise amplifier tests.

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Datasheet

Specifications

Frequency Range

Expandable frequency range from 18 to 325 GHz

 

Features & Benefits

  • Expandable frequency range from 18 to 325 GHz
  • 2 to 3 times better accuracy
  • Automatic Nitrogen purge eliminates helium equipment
  • Primary calibration standard
  • Radiometer reference source
  • SATCOM earth station conformance verifications

Filters

Description

Name Description
NBS-110 Cryogenic Primary Noise Standards 75.0 – 110.0
NBS-140 Cryogenic Primary Noise Standards 90.0 – 140.0
NBS-170 Cryogenic Primary Noise Standards 110.0 – 170.0
NBS-220 Cryogenic Primary Noise Standards 140.0 – 220.0
NBS-26 Cryogenic Primary Noise Standards 18.0 – 26.5
NBS-260 Cryogenic Primary Noise Standards 170.0 – 260.0
NBS-325 Cryogenic Primary Noise Standards 220.0 – 325.0
NBS-33 Cryogenic Primary Noise Standards 22.0 – 33.0
NBS-350 Cryogenic Primary Noise Standards 325.0 – 350.0
NBS-40 Cryogenic Primary Noise Standards 26.5 – 40.0
NBS-400 Cryogenic Primary Noise Standards 260.0 – 400.0
NBS-50 Cryogenic Primary Noise Standards 33.0 – 50.0
NBS-500 Cryogenic Primary Noise Standards 330.0 – 500.0
NBS-60 Cryogenic Primary Noise Standards 40.0 – 60.0
NBS-75 Cryogenic Primary Noise Standards 50.0 – 75.0
NBS-90 Cryogenic Primary Noise Standards 60.0 – 90.0
  • Noise temperature calibrations
  • Noise source calibrations
  • Radiometer reference sources
  • Low noise amplifier (LNA) noise figure (NF) measurements
  • Antenna system effective input noise temperature tests
  • SATCOM earth station conformance verifications
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Related Resources

01

Cold Attenuator Noise Measurements on Cryogenic LNAs

This article explores one of the challenges associated with cryogenic LNA development—devising a way to accurately measure the noise figure (or noise temperature) of the amplifier.

02

Anatomy of a Noise Source Poster

This poster provides a concise overview of important power measurement topics, including the detection of RF power, rise time and video bandwidth, and more. Ensure next-generation performance with this convenient visual guide for measuring RF power.

03

Implementation Margin of a Satellite Communication System

Learn how the Maury CNG-EbNo series is an important component in test systems whose job is to determine the effectiveness and efficiency of satellite communication links.

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