Audio Processor
3
MX806A
1 Block Diagram
CHIP
SELECT
POWER
SUPPLY
SERIAL
CLOCK
COMMAND
DATA
MAIN
PROCESS
OUT
MOD
OUT
MOD
IN
#
PRIMARY
AND
SECONDARY
AUDIO
INPUTS
Voice
Sub-Audio
Tone
MSK,etc.
C-BUS INTERFACE
CALIBRATION INPUT
VOGAD SENSE
ATTENUATOR
MODULATION 1
OUT
#
TX
MIC IN
MIC. AMP
VOGAD AMP
HIGHPASS
FILTER
#
VOGAD
SENSE
#
OR
VOGAD
SENSE
#
TRANSMITTER
MODULATION
DRIVES
#
GAIN
SET
#
#
#
PRE-EMPHASIS
LIMITING
FILTERING
GAIN SETTING
#
ATTENUATOR
MODULATION 2
OUT
INPUT
PROCESS
#
RX
AUDIO IN DE-EMPHASIS
FILTER
MAIN PROCESS
MODULATION
MIXER AMP
OUTPUT DRIVES
#
XTAL/CLOCK
XTAL
CLOCK
GENERATOR
TO EXTERNAL EXTERNAL AUDIO
AUDIO PROCESSES PROCESS IN
BUFFER
ATTENUATOR
LOUDSPEAKER
AUDIO
Figure 1: Block Diagram
1998
MX-COM, Inc.
www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054
Doc. # 20480064.006
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
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