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A New Architecture For Signal Analysis

The 2309 is a new concept in RF signal

analysis offering broadband frequency

coverage between 100 MHz and 2.4 GHz

2309 has many advantages over

conventional swept tuned spectrum

analyzers particularly in terms of speed,

accuracy, dynamic range and detector

linearity that together add up to a

revolutionary improvement in

measurement capability.

The instrument uses a direct RF

frequency conversion system followed by a

highly linear patented one bit bandpass

sigma delta converter. In this way it is

possible to make faster, more repeatable

and precise absolute or relative signal and

noise power measurements than can be

achieved with conventional swept tuned

spectrum analyzers

Speed

Traditionally, a spectrum analyzer LO

sweep time is inversely proportionate to the

square of the resolution bandwidth, i.e. a

10 dB increase in dynamic range can only

be achieved at the expense of 100 fold

increase in sweep time.

In the absence of a swept local

oscillator, 2309 is able to make narrow

resolution measurements of signals over

100 times faster than even the best

examples of spectrum analyzers.

This speed advantage may be converted

to an improved sensitivity level by using

lower frequency resolution than an

equivalent spectrum analyzer for the same

analysis speed.

Noise

A low noise local oscillator is used

offering excellent close to carrier spurious

and noise floor characteristics. This makes

2309 ideal for making phase noise and

spurious response measurements on VCOs

and synthesizers.

By avoiding the usual ‘Up Down’ mix

techniques used in conventional analyzers,

the noise contribution from the local

oscillator is minimized.

The noise of the LO is closely matched

to the performance of the A to D converter

giving a maximum sensitivity of typically

-153 dBm/Hz or -167 dBm when using the

narrowest resolution bandwidth available.

2309 input sensitivity using minimum Equivalent

Noise Bandwidth (NEBW)

Intermodulation

The third order intermodulation

specification of typically <-90 dBc for 2

tones of -26 dBm at the input mixer allows

high performance intermodulation meas-

urements to be made. With a TOI of

typically +28 dBm and a noise figure of

21 dB, 2309 yields an unparalleled figure

of merit (FOM) of +7. Unlike other A to D

techniques this instrument obeys the

normal 3:1 improvement of 3rd order

intermodulation products with decreased

input level.

The high power input allows direct

measurements on signals to 50 W

(40 W continuous) to be made. This

eliminates uncertainties normally

associated with the thermal characteristics

of external high power attenuators. The

use of FFT measurement techniques

ensures that measurements are made

quickly and accurately using narrow filter

bandwidths even in the presence of noise.

The accuracy of the converter in making

ratiometric measurements ensures that

2309

100 MHz to 2.4 GHz FFT Analyzer

Unparalleled speed,

accuracy and dynamic

range

Signal Analyzers

Accurate intermodulation and

spurious measurments on high

power amplifiers

Fast and accurate noise

measurements on VCOs and

synthesizers

RF attenuator calibration and

switch repeatability testing

Accurate true RMS power

measurement to 40 W

Excellent linearity and wide

intermodulation free dynamic range

Fine level resolution of 0.0001 dB

0.04 Hz frequency resolution

Up to 300 kHz of instantaneous

analysis band width

Excellent phase noise & input

sensitivity

IF spurious

(1)

free dynamic range of

<-130 dBc

2309

http://www.ifrsys.com

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Resumo do Conteúdo

Página 1 - Signal Analyzers

A New Architecture For Signal AnalysisThe 2309 is a new concept in RF signalanalysis offering broadband frequencycoverage between 100 MHz and 2.4 GHz

Página 2 - Specification

the intermodulation levels are accuratelyrecorded without the usual scale errorsexperienced with analog based spectrumanalyzers.The 2309 makes an idea

Página 3

Warm up timeOutput frequency within 2 x 10-7of final frequencywithin 20 minutes after switch-on at a temperatureof 20°C.IF input 10.71 MHz, BNC (f), 5

Página 4 - Part no. 46891-104

IFR, Longacres House, Norton Green Road, Stevenage, Herts SG1 2BA, United Kingdom. E-mail: [email protected]: +44 (0) 1438 742200 Freephone UK: 080

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Elta 2309 Manual do Utilizador

Consulte online ou descarregue Manual do Utilizador para Leitores de MP3/MP4 Elta 2309. 2309 100 MHz to 2.4 GHz FFT Analyzer Manual do Utilizador

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