Product category: Analogue and Mixed Signal ICs
News Release from: Fairchild Semiconductor | Subject: FMS6417
Edited by the Electronicstalk Editorial Team on 17 September 2003
Integrated filter and
driver aids set-top designs
The FMS6417 is a comprehensive video filtering and line driving solution that offers more functionality than competing parts
The FMS6417 is a five-channel, video reconstruction filter that includes selectable RGB (YUV) high definition and standard definition (HD/SD) filters with Y, C, composite, and modulator outputs. This integrated product combines video line drivers, sound notch, and multiple video input/output standards - all in one chip.
This article was originally published on Electronicstalk on 17 September 2003 at 8.00am (UK)
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The FMS6417 is ideal for applications such as cable and satellite set top boxes, DVD players, PVRs (personal video recorders ), HDTVs, video on demand and TVs.
With its ability to remove high-frequency noise prior to digitising the signal (anti-aliasing) or to remove artefacts introduced during D/A conversion in the encoder (reconstruction), this monolithic device can be used for anti-aliasing or reconstructive (smoothing) filtering for RGB, component, S-video, and composite video signals.
The FMS6417 consists of a triple sixth-order filter with selectable 30 and 8.0MHz frequencies and a dual 8.0MHz filter for filtering Y/C.
The filter contains a summing circuit to generate filtered composite video, an audio trap, and group delay compensation circuits to notch-out audio and group delay predistortion for NTSC.
In addition, 2:1 multiplexers are provided on the triple filters, as well as provisions for auxiliary inputs to the composite channel.
The FMS6417 also includes DC-coupled inputs and all outputs can drive AC-coupled 75ohm loads and provide 6dB of gain.
"The FMS6417 is a fully integrated part that allows the customer to reduce overall component cost and parts-count for their video output requirements", said Jeremy Tole, Fairchild's Technical Marketing Manager for video Products.
"The FMS6417 is the first in a line of comprehensive HDTV-related products, which will help enable the proliferation of HDTV products in the marketplace".
This new video filter is offered in a space- and cost-saving 32-pin LQFP, and is available in tape and reel packaging.
Demo boards are available to illustrate the product's full performance capabilities.
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