• Quick confi guration
• Simple and complex signals on 2 independent outputs
• Results usable with loudspeaker or headset, oscilloscope or datalogging interfaces
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Data sheet Spectrasons


The Spectrasons was designed to allow an educational
approach to spectrum analysis.
❶ The simple output allows acquisition
of a pure sine wave generated by the
Spectrasons by choosing the frequency from
f to 7f using the 2 frequency selector buttons.
A lit diode indicates the frequency of
the wave that is selected and presented on
the simple output. It is possible to connect a
loudspeaker to this output to listen to the
produced sound.
❷ The complex output is equal to the real-time
sum of all the simple signals (from f to 7f).
The student selects a frequency and adjusts the
amplitude using the + and - buttons.
Spectrum analysis without mathematical tools
It is also possible to connect a loudspeaker to
this output to analyse the impact of the amplitude
of harmonics on the tone of a sound.
Thus, in real-time, the student listens and
modifies the amplitude of each harmonic to
highlight the change in the tone of a sound,
which is imposed by the fundamental at
f = 220 Hz.
❸ The synchronised output allows the acquisition
of simple signals in an equivalent time base so
that, if applicable, they can be added, to produce
a signal identical to that of the complex


Sorties : signal complexe ±5 V
signal simple ±5 V
Amplitude : réglable pour chaque fréquence
Entrée : synchronisée (pour Ex.A.O.)
Affichage : écran LCD 3,5 digits
Alimentation : par bloc secteur 12 V fourni
Theme: human histology Height - timbre

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