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參數(shù)資料
| 型號： | MX803A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Audio Signaling Processor |
| 中文描述： | 音頻信號處理器 |
| 文件頁數(shù)： | 1/26頁 |
| 文件大小： | 225K |
| 代理商： | MX803A |
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DATA BULLETIN
MX803A
1996 MX
COM, INC.
Tele: 800 638 5577 910 744 5050 Fax: 910 744 5054
Doc. # 20480122.003
Audio Signaling Processor
PRELIMINARY INFORMATION
Features
Full Duplex Audio Signaling Processor
Single Tone
Selective Call systems
Tone Decoder with programmable
NOTONE timer.
Two Individual tone encoders and a
programmable TX Period Timer.
Low Power CMOS Device
On-Chip programmable amplifier.
C-BUS Compatible
Applications
Signaling Systems supported
SelCall (CCIR, EEA, ZVEI I / II /III)
2-Tone SelCall
DTMF Encode
Inband Tone Signaling capability for
LMR and other Radio Systems.
(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
G5-/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
The MX803A is an audio signaling processor that provides inband tone signaling capabilities for LMR and other Radio
systems. A low-power CMOS device, the MX803A is a member of the DBS800 (Digitally integrated Baseband Sub-
system) IC family (See section 4.2). Supported Signaling systems include SelCall (CCIR, EEA, ZVEI I, II, and III) 2-Tone
SelCall and DTMF encode. The use of a non-predictive decoder and a versatile encoder, allows the MX803A to operate
in any standard or non-standard tone system.
The MX803A is a full-duplex device for use with Single Tone or Selective Call systems. The MX803A consists of a tone
decoder with a programmable NOTONE timer, two individual tone encoders and a programmable TX period timer, and an
on-chip summing amplifier. Under the control of a
μ
C, the MX803A will simultaneously encode and transmit 1 or 2 audio
tones in the 208-3000Hz range, as well as detect, decode, and indicate the frequency of any non-predicted input tone in
the frequency range of 313 to 6000Hz.
The MX803A is available in 24-pin CDIP (MX803AJ), 24-pin PLCC (MX803ALH), and 24-pin SOIC (MX803ADW)
packages.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MX803ADW | 制造商:CML Innovative Technologies 功能描述:Audio Signalling Processor, Tube |
| MX803AJ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Audio Signaling Processor |
| MX803ALH | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Audio Signaling Processor |
| MX803J | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:RF/Baseband Circuit |
| MX803LH | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:RF/Baseband Circuit |
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