RALCWI Vocoder
CMX608/CMX618/CMX638
0
-20
-40
-60
-80
-100
0
1000
2000
3000
4000
5000
6000
7000
8000
Frequency (Hz)
Figure 20 ADC Input Filter - Typical Response
(ADC Input Frequency Vs Fundamental tone power for 750mVrms differential input, normalised to 1kHz)
0
-20
-40
-60
-80
-100
0
1000
2000
3000
4000
5000
6000
7000
8000
Frequency (Hz)
Figure 21 DAC Output Filter - Typical Response
(DAC Output Frequency Vs Measured tone power for 32000 peak sample level differential output,
normalised to 1kHz)
2014 CML Microsystems Plc
67
D/608_18_38/11
CMLMICRO [ CML MICROCIRCUITS ]
