Data Sheet

D/A ( POST ) VIDEO FILTER

VLF Series

In order to go abreast with the development of digital TV broadcasting in the 21st century,
UDC offers a series of latest designed, compact size D/A Video Filters.
They are most suitable for digital equipment, such as HDTV ( DTV ) Decoders, Receivers,
Digital ready TV set top box ......etc.

Features

Compact size, outline dimensions : 25.4(L) X 6.5(W) X 9.2(H) mm
Best performance : Near SMPTE274M, AMPTE296M, EU95Pg3,
                               Luminance and Chrominance,
                               Post with Sin x /x correction
                               Standard impedance 75 ohm ( Or subject to customer's requirement )
Guaranteed lowest price ( about half price comparing with the same product available
in the market ).

Luminance Filter ( Y-post )

Chrominance Filter ( C-post )

Part No	VLF30S		VLF15S
Impedance	75 ohm		75 ohm
Passband Fv	30 MHz		15 MHz
Attenuation at 37.125 MHz	12 dB min.	Attenuation at 18.56 MHz	6 dB
Attenuation at 44.25 MHz	30 dB min.	Attenuation at 23.00 MHz	30 dB min.
Attenuation at 54.25 MHz	40 dB min.	Attenuation at 27.00 MHz	40 dB min.
Attenuation at 44.25 MHz -200 MHz	30 dB min.	Attenuation at 23 MHz - 100 MHz	30 dB min.
Passband Group Delay control to	30 MHz		15 MHz.
Passband Group Delay Ripple	± 10ns		± 10ns
Sin x/x Corrected	Yes		Yes
Sampling rate	74.25 MHz		37.12 MHz
Flat loss at 100 KHz	4.5 dB max.		4.5 dB max.
Typical Group Delay	65 ns ± 10ns		130 ns ± 10ns

( Subject to change without notece as of our policy of product improvement )

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