參數(shù)資料
型號(hào)： FX818
元件分類： Codec
英文描述： CTCSS Super Codec
中文描述： 超級(jí)亞音頻編解碼器
文件頁(yè)數(shù)： 1/26頁(yè)
文件大?。?/td> 676K
代理商： FX818
CML Semiconductor Products
CTCSS Signalling Processor
FX818
1997
Consumer Microcircuits Limited
D/818/4
July 1997
Provisional Issue
1.0
Features
Fast CTCSS Detection
Programmable Tone Decoder
Non Predictive Tone Detection
Programmable Modulator Drivers
Low Power 3.3V/5V Operation
Programmable Tone Encoders
Variable Gain Audio Filter
Compact (SSOP and SOIC)
Packaging
1.1
Brief Description
The FX818 is an innovative CTCSS Codec designed for the latest generation of Land Mobile Radio equipment.
The FX818 is full duplex and has many advanced features which assist the operation of modern CTCSS based
systems. The FX818 is electrically, physically and software compatible with the FX828. It permits
manufacturers to add new features to their equipment with minimal design changes.
The FX818 incorporates a programmable tone decoder which can be set to respond to between 1 and 15
CTCSS tones with minimum software intervention. In addition, a 'Fast' CTCSS detector can respond to a
single programmed tone in 60ms, or can be used to provide an output if any CTCSS tone is present at the
detector input. A high resolution tone encoder performs accurate generation of any CTCSS tone in current use.
High pass and low pass filters are included to provide filtering for CTCSS and Voice band signals. On chip
audio summation amplifier and digital adjustable modulator drivers ensure easy integration into equipment.
The FX818 along with the FX828 is offered in a choice of small SSOP and SOIC 24-pin packages. It may be
used with 3.0 to 5.5 volt supply.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
FX818D2 制造商:CMLMICRO 制造商全稱:CML Microcircuits 功能描述:CTCSS SIGNALLING PROCESSOR
FX826 制造商:CMLMICRO 制造商全稱:CML Microcircuits 功能描述:AMPS/TACS System Audio Processor
FX826DW 制造商:CMLMICRO 制造商全稱:CML Microcircuits 功能描述:AMPS / TACS SYSTEM AUDIO PROCESSOR
FX826J 制造商:CMLMICRO 制造商全稱:CML Microcircuits 功能描述:AMPS/TACS System Audio Processor
FX828 制造商:CMLMICRO 制造商全稱:CML Microcircuits 功能描述:CTCSS/DCS/SELCALL Processor
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