CMX838 View Datasheet(PDF) - CML Microsystems Plc
Part Name
Description
MFG CO.
'CMX838' PDF : 71 Pages View PDF
FRS/PMR446/GMRS Family Radio Processor
CMX838
4.1.6 Receive Audio Path
Overall magnitude response for the receive audio path for wideband and narrowband with de-emphasis is
shown in Figure 12.
20
10
0
WIDE BAND
-10
-20
NARROW BAND
-30
-40
-50
-60
100
1000
10000
Frequency (Hz)
Figure 12: Receive audio path frequency response with de-emphasis.
4.1.7 Audio Path without De-emphasis or Pre-emphasis
The magnitude response for the audio path (could apply to transmit or receive) without the pre-emphasis or
de-emphasis is shown in Figure 13.
10
0
WIDE BAND
-10
-20
NARROW BAND
-30
-40
-50
-60
-70
100
1000
10000
Frequency (Hz)
Figure 13: Audio path frequency response without pre-emphasis or de-emphasis.
2003 CML Microsystems Plc
15
D/838/8
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