el4511 Intersil Corporation, el4511 Datasheet - Page 6

• Manufacturer Part Number: el4511
• Description: Super Sync Separator
• Manufacturer: Intersil Corporation

BACKPORCH OUTPUT
ODD/EVEN OUTPUT
SYNC OUT OUTPUT
H
V
OUT
OUT
Notes:
b. The composite sync output reproduces all the video input sync pulses, with a propagation delay.
c. Vertical sync leading edge is coincident with the first vertical serration pulse leading edge, with a propagation delay.
d. Odd-even output is low for even field, and high for odd field.
e. Back porch goes low for a fixed pulse width on the trailing edge of video input sync pulses. Note that for serration pulses
during vertical, the back porch starts on the rising edge of the serration pulse (with propagation delay).
OUTPUT
OUTPUT
V
BLANK
Interval
H Sync
COMPOSITE VIDEO INPUT, FIELD ONE
.H
6
1
Start of
Field One
Pre-Equalizing
Pulse Interval
3H
2
FIGURE 4. EXAMPLE OF VERTICAL INTERVAL (525)
H
3
H
4
V Sync Pulse
Vertical
Interval
Interval
9 Line
3H
5
t
VS
6
EL4511
Post-Equalizing
7
Pulse Interval
3H
8
9
.5H
10
19
H
20
21
July 21, 2005
FN7009.7