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參數(shù)資料
| 型號： | TDA7404 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | CARRADIO-SIGNAL-PROCESSOR |
| 中文描述： | CARRADIO信號處理器 |
| 文件頁數(shù)： | 12/26頁 |
| 文件大?。?/td> | 379K |
| 代理商： | TDA7404 |
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TDA7404D
12/26
1.6 SoftStep-Volume
When the volume-level is changed audible clicks could appear at the output. The root cause of those clicks
could either be a DC-Offset before the volume-stage or the sudden change of the envelope of the audiosignal.
With the SoftStep-feature both kinds of clicks could be reduced to a minimum and are no more audible. Four
programmable soft step time from one step to the next, are user selectable.
Figure 7. SoftStep-Timing
Note: For steps more than 1dB the SoftStep mode should be deactivated because it could generate a 1dB error during the blend-time.
1.7 Bass
There are three parameters programmable in the bass stage:
1.7.1 Attenuation
Figure 8 shows the attenuation as a function of frequency at a center frequency of 80Hz.
Figure 8. Bass Control @ fC = 80Hz, Q = 1
Time
SS Time
-1dB
-2dB
Vout
2dB
1dB
-15.0
-10.0
-5.0
0.0
5.0
10.0
15.0
10.0
100.0
1.0K
10.0K
dB
Hz
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA7404D | CARRADIO-SIGNAL-PROCESSOR |
| TDA7405 | EQUALIZER CARRADIO SIGNAL PROCESSOR |
| TDA7406T | CAR RADIO SIGNAL PROCESSOR |
| TDA7406 | Car radio signal processor |
| TDA7407 | ADVANCED CAR SIGNAL PROCESSOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7404_08 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Car radio signal processor |
| TDA7404D | 功能描述:音頻 DSP Car Radio 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 |
| TDA7404DTR | 功能描述:音頻 DSP Car Radio 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 |
| TDA7405 | 功能描述:音頻 DSP EQUALIZER CAR RADIO SIGNAL PROCESSOR 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 |
| TDA7405_04 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:EQUALIZER CARRADIO SIGNAL PROCESSOR |
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