ML6427

14

Figure 11. NTSC/PAL Video Frequency Response With and Without Peaking Capacitor

–0.5

0

0.5

1

1.5

2

2.5

FREQUENCY (MHz)

04

6

8

2

15

7

3

0.35dB

WITH

PEAKING

1.7dB

WITHOUT

PEAKING

330pF

270pF

220pF

none

Figure 13. Group Delay at 5.5MHz (PAL) With and Without Peaking Capacitor

Figure 12. Stopband Rejection at 27MHz With and Without Peaking Capacitor

0

10

20

30

40

50

FREQUENCY (MHz)

012

18

30

24

6

315

21

27

9

NTSC/PAL

–42dB

WITHOUT

PEAKING

NTSC/PAL

–38dB

WITH

PEAKING

330pF

270pF

220pF

none

FREQUENCY (MHz)

10

0

–10

–20

04

6

10

8

2

15

7

9

3

8ns

GROUP

DELAY

WITHOUT

PEAKING

13ns GROUP

DELAY

WITH 330pF

PEAKING

330pF

270pF

220pF

none