ML6428CS-3 데이터 시트보기 (PDF) - Micro Linear Corporation

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ML6428CS-3

S-Video Filter and 75W Line Drivers with Summed Composite Output

Micro Linear Corporation 

PERFORMANCE DATA

1

0

–1

–2

–3

–4

0

0.1

1

10

FREQUENCY (MHz)

Figure 1. Passband Flatness

All outputs. (Normalized) Passband is ripple-free.

ML6428

20

0

–20

–40

–60

–80

0.01

0.1

1

10

100

FREQUENCY (MHz)

Figure 2. Passband/Stopband Rejection Ratios

All outputs. (Normalized)

90

70

50

30

10

1 2 3 4 5 6 7 8 9 10 11

FREQUENCY (MHz)

Figure 3. Group Delay, all Outputs

Low frequency group delay is 62ns. At 3.58MHz group

delay increases by only 4ns. At 4.43MHz group delay

increases by only 7ns. The maximum deviation from flat

group delay of 12ns occurs at 6MHz.

REGION OF TILT

SCALE: 200ms/DIV

Figure 4. DC Restore Performance of Luma Output

Luma ramp test pattern is shown to have minimal tilt

during vertical sync.

In most applications, the ML6428's input coupling

capacitors are 0.1µF. The Y input sinks 1.6µA during

active video, which tilts a horizontal line by 2mV at the

Y output

DATASHEET

June, 2000

7

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