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EMU TrackerPre

Subject: EMU TrackerPre
From: "Gianni Pavan" gianni_pavan
Date: Thu Apr 28, 2011 2:10 pm ((PDT))
Dear all,
        here some preliminary info on the performances of the EMU
TrackerPre, a pretty cheap though reliable USB acquisition device able to
run up to 192k with good performances.

The frequency response at 192k is flat up to 84kHz and rolls down 1 dB at
90kHz and 6 dB at Nyquist (96kHz). The a-a filters are steeper than those o=
f
the USBPre2:

INPUT at 0dB                            ALIAS
100kHz                                    -16dB at 92kHz
102kHz                                    -25dB at 90kHz
104kHz                                    -50dB at 88kHz
112kHz                                    at 80kHz the aliasing components
are not measurable

More accurate tests and graphs will follow on on our website at
http://www.unipv.it/cibra/res_techtest_uk.html

Gianni


--
Presidente
Centro Interdisciplinare di Bioacustica e Ricerche Ambientali
Dipartimento di Biologia Animale
Universita' di Pavia
Via Taramelli 24 - 27100 PAVIA
http://www.unipv.it/cibra
http://mammiferimarini.unipv.it
Phone +39-0382-987874









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