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Noise Sources
Range of noise sources for use with the NFA series noise figure analyzer, the X-series signal analyzer, and network analyzer.

Noise Sources Designed to Meet Specific Needs
The Keysight 346, 347, SNS, and USB Series of noise sources work in conjunction with several Keysight analyzers to make noise-figure measurements from 10 MHz to 60 GHz.
Noise Source Support | ||||
---|---|---|---|---|
Y-Factor Instruments | SNS Series | 346 Series | 347 Series | USB Smart Noise Source |
CXA | X |
X |
X |
X |
EXA | X |
X |
X |
X |
MXA | X |
X |
X |
X |
PXA | X |
X |
X |
X |
UXA | X |
X |
X |
X |
NFA | X |
X |
X |
X |
M9391A PXIe Vector Signal Analyzers | X |
X |
X |
X |
M9393A PXIe Performance Vector Signal Analyzers | X |
X |
X |
X |
M9421A/M9410A/M9411A/M9415A VXT PXIe Vector Transceivers | – | X |
X |
X |
FieldFox Handheld Analyzers | – |
X |
– |
– |
Cold Source Instruments | ||||
PNA Vector Network Analyzers | – |
X |
– | X |
PXIe Vector Network Analyzers | – |
X |
– |
X |
For more information about noise source and noise figure measurement, please visit Noise Figure Analyzer and Noise Source
Find the Series That's Right for You

346 Noise Source Family

347 Noise Source Family

SNS Series Noise Sources

U1831C USB Smart Noise Source, 10 MHz - 26.5 GHz

U1832A USB Smart Noise Source, 10 MHz to 18 GHz, 5 dB ENR Nominal

U1832B USB Smart Noise Source, 10 MHz to 26.5 GHz, 5 dB ENR Nominal
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