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CM 108AH Highly Integrated USB Audio I/O Controller www .cmedia.com.tw Copyright© C-Media Electro nics Inc. R ev . 2.1 ︱ P age 26/27 Reference  U SB specification 1 .1 and 2 .0-compliant  USB audio devi ce class specif…

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CM108AH
Highly Integrated USB Audio I/O Controller
www.cmedia.com.tw
Copyright© C-Media Electronics Inc. Rev. 2.1︱ Page 25/27
9.3 Microphone Input Frequency Response @ 48KHz Sample Rate
Audio Precision 09/26/08 14:52:45 A-D FREQUENCY RESPONSE
Vista-A-D Frequency Response.at2c
ColorSweep Trace Line Style Thick Data Axis Comment Cursor1
1 1 Yellow Solid 1 DSP Anlr.Level A Left *-2.812 dBFS
1 2 Cyan Solid 1 DSP Anlr.Level B Left -2.812 dBFS
-3
-1
-2.8
-2.6
-2.4
-2.2
-2
-1.8
-1.6
-1.4
-1.2
-2.812
-1.423
d
B
F
S
20 20k50 100 200 500 1k 2k 5k 10k
20k20
Hz
dx=-19.980 kHz
dy=+1.389 dB
9.4 Microphone Input THD+N @ 48KHz Sample Rate
Audio Precision 09/26/08 14:51:13 A-D THD+N vs FREQUENCY
Vista-A-D THD+N.at2c
ColorSweep Trace Line Style Thick Data Axis Comm ent
1 1 Yellow Solid 1 DSP Anlr.THD+N Ampl A Left
1 2 Cyan Solid 1 DSP Anlr.THD+N Ampl B Left
-120
+0
-100
-80
-60
-40
-20
d
B
F
S
20 20k50 100 200 500 1k 2k 5k 10k
Hz
CM108AH
Highly Integrated USB Audio I/O Controller
www.cmedia.com.tw
Copyright© C-Media Electronics Inc. Rev. 2.1︱ Page 26/27
Reference
USB specification 1.1 and 2.0-compliant
USB audio device class specification 1.0-compliant
USB human interface device class specification 1.11-compliant
CM108AH
Highly Integrated USB Audio I/O Controller
www.cmedia.com.tw
Copyright© C-Media Electronics Inc. Rev. 2.1︱ Page 27/27
－End of Datasheet－
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