
xE922-3GR Hardware User Guide
1VV0301272
Rev.0.8 2017-01-05
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved.
Page 84 of 112
Parameters audio ADC:
Parameter
Min
Typ
Max
Unit
condition
Bit width
16
bit
BW
20
Hz
Lower limit
4
20
kHz
Upper limit
sample rate
2
4
MHz
Parameters decimation filter
Sample rate fs
mode
Passband
corner
Passband
ripple
Stopband
Stopband attenuation
8 kHz
Narrowband speech
>3.4 kHz
< 1dB
4.0-35 kHz
80 dB
16 kHz
Wideband speech
>6.8 kHz
< 1dB
8.0-35 kHz
80 dB
32 kHz
music
>14 kHz
< 1dB
16-35 kHz
80 dB
48 kHz
CD quality
>20 kHz
< 1dB
24-35 kHz
80 dB