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Zetex Semiconductors - SYNC SEPARATOR WITH VARIABLE FILTER

Numéro de référence ZXFV4583
Description SYNC SEPARATOR WITH VARIABLE FILTER
Fabricant Zetex Semiconductors 
Logo Zetex Semiconductors 





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ZXFV4583 fiche technique
SYNC SEPARATOR WITH VARIABLE FILTER
ZXFV4583
DEVICE DESCRIPTION
The ZXFV4583 provides the ability to separate out
video synchronization signals for a wide variety of TV
and CRT display systems, standard and non-standard.
Flexibility arises from the use of just three external
resistors to adapt to each application. One resistor
controls a fully integrated internal color carrier filter
with variable bandwidth. This filter avoids disturbance
from the color carrier, permitting accurate threshold
slicing for timing extraction.
A second resistor controls the voltage threshold for
loss of signal detection after a time-out interval. The
third resistor controls the timing functions.
FEATURES AND BENEFITS
PAL, NTSC, SECAM
Variable filter for optimal accuracy
Sync outputs: composite, horizontal, vertical, back
porch, odd/even
No-signal detector
On chip sample / hold capacitors
+5V single supply
Default vertical output where there are no
serration pulses
Pin and layout compatible with part EL4583 in
SO16N surface mount package
DC restoration for displays is facilitated by the Back
Porch synch output, which can be used to drive an
external circuit to clamp the blanking voltage to a fixed
level.
ORDERING INFORMATION
Part Number
Container
ZXFV4583N16TA
Reel 7
ZXFV4583N16TC
Reel 13
Increment
500
2500
APPLICATIONS
Digital image capture
Video input systems requiring separation of
picture timing
Video distribution
CCTV surveillance
Digital multimedia
Timing for black level clamp
CONNECTION DIAGRAM
ISSUE 3 - NOVEMBER 2003
1
SEMICONDUCTORS

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