ADA4417-3

Rev. 0 | Page 14 of 16

VIDEO ENCODER RECONSTRUCTION FILTER

The ADA4417-3 is easily applied as a reconstruction filter at the

DAC outputs of a video encoder. Figure 28 illustrates how to use

the ADA4417-3 in this type of application with an ADV7322 video

encoder in a single-supply application with ac-coupled outputs.

5V

(ANALOG)

ADA4417-3

ADV7322

VIDEO ENCODER

VIDEO

DAC

OUTPUTS

10

Y/G OUT

75Ω

0.1µF (Y)/

220µF (G)

8

Pb/B OUT

75Ω

220µF

6

Pr/R OUT

75Ω

220µF

7

VCC

11

GND

4

DCO

1

Y/G IN

3

Pb/B IN

5

Pr/R IN

2

DISABLE

0.1µF

DISABLE/POWER

DOWN CONTROL

DC OFFSET

CONTROL

Figure 28. The ADA4417-3 Applied as a Video Reconstruction Filter Following the ADV7322