Phase Noise & Frequency Stability Analyzers

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Discover Noise XT

Phase Noise Measurement Instruments

NOISE XT is a specialist manufacturer of high-performance instruments dedicated to phase noise and frequency stability measurements. Now part of the SPHEREA Group, NOISE XT brings over 25 years of expertise in the design of ultra-low noise analysers used in the most demanding applications, including radar, telecommunications and high-speed digital systems.

The NOISE XT product family provides precise, efficient and easy-to-use tools for absolute and additive phase noise measurements, supporting both continuous wave (CW) and pulsed signals.

Why choose NOISE XT instruments?

Ultra-Low Noise Floor
Industry-leading noise floor enabling precise measurements without the need for phase locking.
Measurement flexibility

Support for absolute and additive phase noise measurements across a wide frequency range.nts.
Long-term upgradeability
Integrated frequency stability analysis with scalable hardware and software options.
Common capabilities into the product family
- Absolute and additive phase noise measurement
- CW and pulsed signal support
- Integrated frequency stability analysis
- Ultra-low intrinsic noise floor
- Designed for metrology-grade environments

Features per product

Noise XT DNA Family
Ultra-low noise phase noise analysers designed for the most demanding metrology applications.
Frequency Stability and Phase Noise Analyzer
RF Input Frequency : 2 MHz to 100 MHz (DNA 100M)
or 2 MHz to 400 MHz (DNA 400M)
Offset analysis : 1 mHz to 1 MHz (Usable up to 10 MHz)
Phase Noise accuracy : +/- 1 dB
Cross Corellation
Noise XT NXA 6
Flexible and user-friendly phase noise analyser for laboratory and industrial environments.
Input Frequency : 2 MHz to 6 GHz
Offset analysis : 0.001 Hz to 40 MHz
Accuracy 1 Hz – 1 MHz offset : +/- 2 dB
Accuracy 1 M – 40 MHz offset : +/- 3 dB
Cross Correlation
Noise XT DCNTS
State-of-the-art analyser delivering the lowest noise floor on the market, without phase locking.
Input Frequency : 2 MHz to 1.8/26.5/40/50 GHz
Offset analysis : 0.001 Hz to 40 MHz
Accuracy 1 Hz – 1 MHz offset : +/- 2 dB
Accuracy 1 M – 40 MHz offset : +/- 3 dB
Cross Correlation
Noise XT PN9000
High-performance solution for advanced phase noise and frequency stability measurements.
RF Input Frequency : 2 MHz to 1.8/26.5/40/50 GHz
Offset analysis : 0.001 Hz to 40 MHz
Accuracy 1 Hz to 1 MHz offset : +/- 2 dB
Accuracy to 40 MHz offset : +/- 3 dB