COMPOSITE VIDEO COLOUR SUB-CARRIER PASS AND REJECTION FILTERS
These filters are to a proven design to suppress or pass the colour sub-carrier elements of a composite video signal. The reject filters are group delay equalised in order to minimise the distortion to the luminance signal. With this type of filter there is always a compromise between the amount of colour signal rejected and the loss of picture definition which can be tolerated. The filters offered below have found to be acceptable but other bandwidths and rates of cut-off can be supplied upon request. Specification – Sub-Carrier Pass Filters
Order code Centre Frequency MHz 3 dB loss frequency MHz 28 dB loss frequency MHz Insertion loss at Centre Frequency dB Package PAL FC443PC 4.43 4.21/4.59 3.60/6.70 < 1.0 DR00014A NTSC FC358PC 3.58 3.40/3.71 2.91/5.41 < 1.0 DR00014A
Specification – Sub-Carrier Rejection Filters
Order code Centre Frequency MHz 3 dB loss frequency MHz Loss at Centre Frequency dB Pulse and Bar Kp Kpb Package PAL FC443AD FC443WD 4.43 4.43 3.86/5.04 3.53/5.34 16 26 2 2 2 2 DR00009B DR00009B NTSC FC358AD FC358WD 3.58 3.58 3.12/4.07 2.85/4.32 16 26 2 2 2 2 DR00009B DR00009B
Note: These items are NOT aqueous washable.
© Faraday Technology. As part of continual product improvement the specifications, details and dimensions shown in this publication are subject to change without notice
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PACKAGE DETAIL
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