CM108AH Datasheet, PDF (25/27 Pages) C-Media Electronics – Highly Integrated USB Audio I/O Controller

CM108AH
Highly Integrated USB Audio I/O Controller
9.3 Microphone Input Frequency Response @ 48KHz Sample Rate
Audio Precision
A-D FREQUENCY RESPONSE
09/26/08 14:52:45
dx=-19.980 kHz
-1
dy=+1.389 dB
-1.2
-1.4
-1.423
-1.6
d
-1.8
B
-2
F
S
-2.2
-2.4
-2.6
-2.8-122.8
-3
20
50
100
200
500
1k
2k
Hz
5k
10k 202k0k
Sweep Trace Color Line Style Thick Data
Axis Comment
1
1
Yellow Solid
1
DSP Anlr.Level A Left
1
2
Cyan Solid
1
DSP Anlr.Level B Left
Curs or1
*-2.812 dBFS
-2.812 dBFS
Vista-A-D Frequency Response.at2c
9.4 Microphone Input THD+N @ 48KHz Sample Rate
Audio Precision
A-D THD+N vs FREQUENCY
09/26/08 14:51:13
+0
-20
-40
d
B
-60
F
S
-80
-100
-120
20
50
100
200
500
1k
2k
5k
10k
Hz
Sweep Trace Color Line Style Thick Data
Axis Com m ent
1
1
Yellow Solid
1
DSP Anlr.THD+N Am pl A Left
1
2
Cyan Solid
1
DSP Anlr.THD+N Am pl B Left
Vis ta-A-D THD+N.at2c
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