參數(shù)資料
型號(hào): MX803A
廠商: Electronic Theatre Controls, Inc.
英文描述: Audio Signaling Processor
中文描述: 音頻信號(hào)處理器
文件頁數(shù): 3/26頁
文件大?。?/td> 225K
代理商: MX803A
Audio Signaling Processor
3
MX803A PRELIMINARY INFORMATION
1996 MX
COM, INC.
Tele: 800 638 5577 910 744 5050 Fax: 910 744 5054
Doc. # 20480122.003
1. Block Diagram
(RX)
AUDIO
IN
SIGNAL
INPUT
BIAS
DIGITAL
NOISE
FILTER
1
DIGITAL
NOISE
FILTER
2
QUALITY
METER
GATE TIME
GENERATOR
FREQUENCY
COUNTER
PROGRAMMABLE
(TX
PERIOD)
TIMER
PROGRAMMABLE
NOTONE
TIMER
C-BUS
INTERFACE
AND
CONTROL
LOGIC
COMMAND
DATA
REPLY
DATA
CHIP
SELECT
INTERRUPT
SERIAL
CLOCK
LOGIC
INPUT
TONE
1
OUT
SUM
SWITCHED
IN
SUM
OUT
SUM
OUT
CAL/CUES
OUT
TONE
2
OUT
SWITCH
OUT
TONE
GENERATOR
5-/2-TONE
DTMF
1
1
SUMMING
AMPLIFIER
CLOCK
GENERATOR
XTAL/
CLOCK
XTAL
AUDIO
SWITCH
IN
TONE
GENERATOR
CUES/DTMF
2
2
LOW
PASS
FILTER
LOW
PASS
FILTER
V
SS
V
BIAS
V
BIAS
V
DD
RX
FILTER
SWITCH
_
+
SUMMING
SWITCH
CAL/CUES
SWITCH
CUES
CAL
AUDIO
SWITCH
Figure 1: Block Diagram
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