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參數(shù)資料
| 型號(hào)： | TW9903 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | TW9903 ? Multi-standard Video Decoder With High Quality Down Scaler |
| 中文描述： | TW9903？多標(biāo)準(zhǔn)視頻解碼器，高品質(zhì)下倍線器 |
| 文件頁數(shù)： | 3/74頁 |
| 文件大?。?/td> | 630K |
| 代理商： | TW9903 |
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TW9903
TECHWELL, INC.
3
REV. 0.92 ( B )
06/02/2002
T W9903 – NT S C/PAL/S ECAM Analog to Digital V ideo
Dec oder with High Quality S c aler
Introduction and Features
Techwell’ s TW9903 is a high quality NTSC, PAL, and
SECAM video decoder plus high quality down scaler
designed for multimedia applications.
TW9903 uses the mixed-signal 3.3V CMOS
technology to provide a low-cost and low-power
integrated solution. Minimum external components
are required due to its integrated analog front-end
containing AGC, clamping, and three 8-bit high speed
ADCs. For composite inputs, an adaptive comb filter
and luma/chroma processing produce exceptionally
high quality pictures using proprietary techniques. A
high quality internal scaling engine offers arbitrarily
filtered down scaling of the output picture. A built-in
Closed-Caption decoder and VBI data pass-through
support data applications such Closed-Captioning and
Intercast
.
Analog Video Decoder
NTSC (M, 4.34) and PAL (B, D, G, H, I, M, N, N
combination), PAL (60), SECAM with automatic format
detection
Advanced synchronization processing for VCR fast
forward, backward, and pause mode
Software selectable analog inputs allows any of the
following combinations:
Up to four composite video inputs
Three composite and one S-video inputs
Two 8-bit ADCs and analog clamping circuit.
Fully programmable static gain or automatic gain control
for the Y or CVBS channel
Programmable white peak control for the Y or CVBS
channel
Video processing
Switchable Notch or 2H comb filter Y/C separation
PAL delay line for color phase error correction
Image enhancement with programmable peaking.
Digital sub-carrier PLL for accurate color decoding
Digital Horizontal PLL and advanced synchronization
processing for non-standard video signals
Programmable hue, brightness, saturation, and contrast.
Automatic color control and color killer
High quality horizontal and vertical filtered scaling with
arbitrary scale down ratio
Detection of level of copy protection according to
Macrovision standard
Video Output
Programmable output cropping
VMI 1.4 compatible 8-bit or 16-bit pixel interface
ITU-R 601 or ITU-R 656 compatible output YCbCr(4:2:2)
output format
Closed caption decoding
VBI data pass through, raw ADC data for Intercast
Miscellaneous
Two wire MPU serial bus interface
Power-down mode
Typical power consumption 0.4W
Single 27MHz crystal for all standards
Supports 24.54MHz and 29.5MHz crystal for high
resolution square pixel format
5V tolerant I/O
3.3 V power supply
100-pin PQFP package
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參數(shù)描述 |
|---|---|
| TW9903-FB | 功能描述:IC DECODER VIDEO NTSC/PAL/SECAM RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| TW9903-MB | 功能描述:IC DECODER VIDEO NTSC/PAL/SECAM RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| TW9903-MBS | 功能描述:IC NTSC/PAL/SECAM DECODR 100PQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| TW9905-FD | 功能描述:IC DECODER VIDEO NTSC/PAL/SECAM RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| TW9905-MD | 功能描述:IC DECODER VIDEO NTSC/PAL/SECAM RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
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