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參數(shù)資料
| 型號(hào)： | STV6433 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Filtered Video Buffers for STB and DVD Devices |
| 中文描述： | 濾波的視頻機(jī)頂盒和DVD設(shè)備緩沖器 |
| 文件頁(yè)數(shù)： | 1/10頁(yè) |
| 文件大?。?/td> | 67K |
| 代理商： | STV6433 |
TARGET SPECIFICATION
STV6433
Filtered Video Buffers for STB and DVD Devices
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
September 2003
1/10
FEATURES
I
Y, C Inputs with 7.1 MHz filters
I
40 dB Stop Band Attenuation at 27 MHz
I
RF Signal with 14 dB Notch Filter at 4.5 MHz
for Sound Trap
I
RF Signal with -170 ns Differential Group
Delay between 400 kHz and 3.58 MHz
I
6 dB Gain
I
Capabilities of Integrated Output Buffers:
Double-adapted Loads (75
) on CVBS
Output, Single-adapted Loads on Y and C
Outputs
I
AC-coupled Inputs
I
DC-coupled Outputs for Y, CVBS and RFOUT
I
DC- or AC-coupled Output for COUT
I
Bottom Clamp on Y, Bias Clamp on C
I
Crosstalk: 55 dB (typical)
DESCRIPTION
The STV6433 is a filtered video output interface for DVD, Satellite and Cable Set-Top Box applications.
After removing D/A conversion noise using integrated low pass filters, the STV6433 adapts the Y and C
signals coming from the digital decoder in amplitude and impedance for transmission to the TV set and an
auxiliary device (VCR, DVD recorders, etc.) via adapted 75-ohm cables.
A Y+C adder with buffer for providing a CVBS signal to external loads and a pre-processing of a CVBS
signal for RF modulator (RFOUT) are included in STV6433.
This pre-processing is a notch filtering at 4.5 MHz (before the addition of the audio signal in the RF
modulator) and a 170 ns Y/C delay (to compensate the nominal distorsion in the TV IF filter).
The STV6433 is powered by a 5V voltage supply and is fully-compatible with STi55xx digital encoders.
Order Code:
STV6433
SO8
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| STV6433A | 制造商:STMicroelectronics 功能描述: |
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| STV6434 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Filtered Video Buffers for STB and DVD Devices |
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