CMX838 View Datasheet(PDF) - CML Microsystems Plc
Part Name
Description
MFG CO.
'CMX838' PDF : 71 Pages View PDF
FRS/PMR446/GMRS Family Radio Processor
Audio Power & Bandwidth
Control, Address $83
(power control)
76543210
Audio Power & Bandwidth
Control, Address $83
(bandwidth control)
76543210
Audio Power & Bandwidth
Control, Address $83
(power control)
76543210
CMX838
MICOUT 3
MICIN 4
-
+
Vbias
AUX I/O 2
RXIN 1
preemph
HPF
BOUT AOUT
27 28
AIN
BIN
25 24
LPF
BPF
LPF
CTCSS encode
LIM
LPF
voltage ref
+
voltage
ref
Vbias
Vbias
deemph
0°/180°
phase
0°/180°
phase
RXOUT 23
TXMOD1 21
TXMOD2 20
Figure 45: Audio Power and Bandwidth Control, $83
TXMOD 1 & 2 Control, Address $88
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
76543210
Audio Power & Bandwidth
Control, Address $83
(power control)
Vbias
0°/180°
phase
TXMOD1 21
Vbias
0°/180°
phase
TXMOD2 20
Figure 46: TXMOD1 & TXMOD2 Control, $88
2003 CML Microsystems Plc
57
D/838/8
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