ADV7324 Datasheet, PDF (56/92 Pages) Analog Devices – Multiformat 216 MHz Video Encoder with Six NSV 14-Bit DACs

ADV7324
HD SHARPNESS FILTER AND ADAPTIVE FILTER
APPLICATION EXAMPLES
HD Sharpness Filter Application
The HD sharpness filter can be used to enhance or attenuate the
Y video output signal. The register settings listed in Table 34
were used to achieve the results shown in Figure 73. Input data
was generated by an external signal source.
Table 34. Sharpness Control
Address
Register Setting
0x00
0xFC
0x01
0x10
0x02
0x20
0x10
0x00
0x11
0x81
0x20
0x00
0x20
0x08
0x20
0x04
0x20
0x40
0x20
0x80
0x20
0x22
Reference¹
a
b
c
d
e
f
1 _{See Figure 73.}
a
d
R2
1
b
e
R4
R1
c
f
1
CH1 500mV
REF A
500mV 4.00µs
M 4.00µs
1 9.99978ms
CH1
ALL FIELDS
R2
CH1 500mV
REF A
500mV 4.00µs
M 4.00µs
1 9.99978ms
CH1
ALL FIELDS
Figure 73. HD Sharpness Filter Control with Different Gain Settings for HD Sharpness Filter Gain Values
Rev. 0 | Page 56 of 92