参数资料
型号: TVP5022
厂商: TEXAS INSTRUMENTS INC
元件分类: 颜色信号转换
英文描述: COLOR SIGNAL DECODER, PQFP80
封装: POWER, PLASTIC, TQFP-80
文件页数: 14/91页
文件大小: 411K
代理商: TVP5022
2–5
Figures 2–6, 2–7, and 2–8 show the characteristic of the peaking filter at maximum gain. The coring circuit
reduces low-level, high -frequency noise. Figure 2–9 shows the transfer curve of the coring function. The
peaking frequency, peaking gain, and coring threshold are programmable.
Peaking
Coring
KPK
Peaking
Frequency
Coring
Threshold
COR
Delay
Digital Y
Signal
Aperture
Factor
Y
Figure 2–5. Luminance Edge-Enhancer
8
6
2
0
0.5 1 1.5 2 2.5 3
Amplitude
dB
12
14
f – Frequency – MHz
16
3.5 4
5.5
6.5
10
4
4.5 5
6
Figure 2–6. Peaking Filter Response, 13.5 MHz Sampling
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