Marine VHF Audio and Signalling Processor
CMX885
all filters off - $0000
hpf & 25k filter - $0C00
template
15
10
5
0
-5
-10
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Frequency (Hz)
Figure 6 Rx 25kHz Channel Audio Filter Frequency Response
de-emp & 12.5k - $3000
de-emp & 12.5k & hpf - $3400
template
15
10
5
0
-5
-10
-15
-20
-25
-30
-35
-40
Frequency (Hz)
Figure 7 De-emphasis Curve for TIA/EIA-603 Compliance
© 2010 CML Microsystems Plc
19
D/885/3