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零件编号
产品描述 (功能)
MX803AJ 查看數據表(PDF) - MX-COM Inc
零件编号
产品描述 (功能)
比赛名单
MX803AJ
Audio Signaling Processor
MX-COM Inc
MX803AJ Datasheet PDF : 26 Pages
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Audio Signaling Processor
1. Block Diagram
3
MX803A PRELIMINARY INFORMATION
SIGNAL INPUT BIAS
(RX)
AUDIO IN
DIGITAL
NOISE
FILTER 1
RX FILTER
SWITCH
DIGITAL
NOISE
FILTER 2
QUALITY
METER
GATE TIME
GENERATOR
V
DD
PROGRAMMABLE
(TX PERIOD)
TIMER
FREQUENCY
COUNTER
V
BIAS
V
SS
XTAL/
CLOCK
XTAL
CLOCK
GENERATOR
AUDIO SWITCH IN
AUDIO
SWITCH
TONE 1
GENERATOR
5-/2-TONE
DTMF 1
V
BIAS
_
+
SUMMING
AMPLIFIER
TONE 2
GENERATOR
CUES/DTMF 2
PROGRAMMABLE
NOTONE
TIMER
COMMAND DATA
C-BUS
INTERFACE
REPLY DATA
CHIP SELECT
AND
CONTROL
LOGIC
INTERRUPT
SERIAL CLOCK
LOGIC INPUT
LOW
PASS
FILTER
SUMMING
SWITCH
CUES
CAL/CUES
SWITCH
CAL
LOW
PASS
FILTER
TONE 1 OUT
SUM IN
SWITCHED SUM OUT
SUM OUT
CAL/CUES OUT
TONE 2 OUT
SWITCH OUT
Figure 1: Block Diagram
©
1996 MX
•
COM, INC.
Tele: 800 638 5577 910 744 5050 Fax: 910 744 5054
Doc. # 20480122.003
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