參數(shù)資料
型號: TVP5010PFP
廠商: TEXAS INSTRUMENTS INC
元件分類: 顏色信號轉(zhuǎn)換
英文描述: COLOR SIGNAL DECODER, PQFP80
封裝: POWERPAD, PLASTIC, TQFP-80
文件頁數(shù): 7/59頁
文件大?。?/td> 250K
代理商: TVP5010PFP
2–3
Input
Interface
Chrominance
Demodulator
Gain
Control
Comb
Filter
Output
Formatter
and
Interface
Digital Control
Oscillator
Loop Filter
Burst Gate
Accumulator
Notch Filter
Comb Filter
Luminance Signal
Processing and Coring
Delay
Adjustment
Lowpass Filter
Sync Detector
Phase
Detector
Loop
Filter
Line-Licked
Clock
PLL
Power-Down
Mode Control
CLOCK
Crystal
Clock
Generator
Digital
Control
Oscillator
DAC
Clock
Generation
Circuit
Vertical
Sync
Processor
Horizontal
Sync
Processor
Counter
CH1
From A/D Converters
CHROMINANCE
LUMINANCE CIRCUITS
SYNCHRONIZATION
OEB
UV (0–7)
Y (0–7)
AVID
PREF
SCLK
PCLK
XTL1
XTL2
HSYN
PALI
(HPLL)
VSYN
FID
(VLK)
CH2
Figure 2–2. Digital Video Signal Processing Block Diagram
2.2.1
Y/C Separation
Luma/chroma separation may be done using either 2-line (1–H delay) comb filtering or a chroma trap filter.
Comb filtering is available for both the luminance and the chrominance portion of the data path. The
characteristics of the filter are shown in Figure 2–3 and 2–4.
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