ML6428
TYPICAL APPLICATIONS
–0.5
0
0.35dB
WITH
PEAKING
0.5
1
1.7dB
WITHOUT
PEAKING
1.5
2
330pF
270pF
220pF
0pF
2.5
0
1
2
3
4
5
6
7
8
FREQUENCY (MHz)
Figure 9. NTSC/PAL Video Frequency Response With and Without Peaking Capacitor
0
10
NTSC/PAL
–38dB
WITH
PEAKING
20
30
NTSC/PAL
–42dB
WITHOUT
PEAKING
330pF
40
50
270pF
220pF
0pF
0
3
6
9
12 15 18 21 24 27 30
FREQUENCY (MHz)
Figure 10. Stopband Rejection at 27MHz With and Without Peaking Capacitor
10
8ns
GROUP
DELAY
WITHOUT
PEAKING
0
13ns GROUP
DELAY
WITH 330pF
PEAKING
–10
330pF
270pF
220pF
0pF
–20
0
1
2
3
4
5
6
7
8
9
10
FREQUENCY (MHz)
Figure 11. Group Delay at 5.5MHz (PAL) With and Without Peaking Capacitor
10
DATASHEET
June, 2000
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
