Agilent Technologies 346A Manual do Utilizador descarregar pdf (Página 2)

Noise ﬁ gure is one of the key parameters used to characterize

the ability of receivers and their lower-level components to

process weak signals in the presence of thermal noise. For

example, when measuring low-noise ampliﬁ ers (LNAs), noise

ﬁ gure describes the signal-to-noise degradation that occurs due

to the internally generated noise of the LNAs' active devices.

Agilent has provided noise ﬁ gure test solutions for 50 years—

from noise meters to modern spectrum-, network-, and noise

ﬁ gure analyzer-based solutions. These instruments provide easy

measurements that can be performed quickly, with high levels of

measurement accuracy.

Accurate measurements of noise ﬁ gure are crucial in both R&D and

manufacturing situations. In R&D, better accuracy allows for

better agreement between simulations and measurements, and

may help uncover noise contributors that were not considered in

the simulation. In manufacturing, higher accuracy means smaller

guard bands for setting and verifying component speciﬁ cations.

Better speciﬁ cations yield more competitive products that can

command higher prices or attain greater market share.

Noise Figure Overview

Table of Contents

Find out more www.agilent.com/ﬁ nd/nf

Noise Figure Overview .........................2

NFA N8973/4/5A .................................. 11

PSA E4440/3/5/6/7/8A .....................13

X-Series Signal Analyzers

(MXA/EXA) N9020A/N9010A ........... 14

ESA E4402/4/5/7B ..............................15

PNA-X Microwave

Network Analyzer N5242A ................. 16

SNS Series Smart

Noise Sources N4000/1/2A ...............17

346 Series Traditional

Noise Sources 346A/B/C...................18

347 Series High Frequency

Noise Sources R347B/Q347B ............19

Noise Source Test Set

N2002A ...................................................20

Additional Resources ..........................21

1 2 3 4 5 6 7 ... 21 22

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