參數(shù)資料
型號(hào)： TDA7407
廠商： STMICROELECTRONICS
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP44
封裝： 10 X 10 MM, 1.40 MM HEIGHT, LQFP-44
文件頁(yè)數(shù)： 19/46頁(yè)
文件大?。?/td> 692K
代理商： TDA7407
Obsolete
Product(s)
- Obsolete
Product(s)
Multipath detector
TDA7407
5.2
Functional description of the stereo decoder
The stereo decoder part of the TDA7407 (see Figure 18) contains all functions necessary to
demodulate the MPX signal like pilot tone dependent MONO/STEREO switching as well as
"stereoblend" and "highcut" functions.
5.2.1
Stereo decoder Mute
The TDA7407 has a fast and easy to control RDS mute function which is a combination of
the audioprocessor's softmute and the high ohmic mute of the stereo decoder. If the stereo
decoder is selected and a softmute command is sent (or activated through the SM pin), the
stereo decoder will be set automatically to the high ohmic mute condition after the audio
signal has been softmuted.
Hence a checking of alternate frequencies could be performed. To release the system from
the mute condition, the unmute command must be sent: the stereo decoder is unmuted
immediately and the audioprocessor is softly unmuted. Figure 19 shows the output signal
VO as well as the internal stereo decoder mute signal. This influence of Softmute on the
stereo decoder mute can be switched off by setting bit 3 of the Softmute byte to "0". A stereo
decoder mute command (bit 0, stereo decoder byte set to "1") will set the stereo decoder in
any case independently to the high ohmic mute state.
Figure 18.
Block diagram of the stereo decoder
相關(guān)PDF資料
PDF描述
TDA7409D 1 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO20
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TDA7410ND 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO20
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA7407_07 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Advanced car signal processor
TDA7407D 功能描述:音頻 DSP INFOTAINMENT SIGNAL RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
TDA7407DTR 功能描述:IC PROCESSOR ADV SIGNAL 44-LQFP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻處理 系列:- 其它有關(guān)文件:STA321 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:Sound Terminal™ 類型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱:497-11050-6
TDA7407TR 功能描述:處理器 - 專門(mén)應(yīng)用 Advanced car signal processor RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432
TDA7409 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:CARRADIO-SIGNAL-PROCESSOR
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