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FMS6417A

Selectable RGB (YUV) HD/SD Video Filter Driver with Y, C, Composite, and Modulator Outputs

Fairchild Semiconductor 

March 2005

FMS6417A

Selectable RGB (YUV) HD/SD Video Filter Driver

with Y, C, Composite, and Modulator Outputs

Features

■ YUV/RGB filters

■ 2:1 Mux inputs for multiple RGB/YUV inputs

■ Selectable 8MHz or 30MHz 6th order filters for RGB (YUV)

applications

■ 8MHz 6th order Y, C filters with composite summer

■ Modulator output with FCC group delay predistortion

■ AC or DC coupled input, AC coupled output

■ All outputs can drive AC coupled 75Ω loads and

provide 6dB of gain

■ Dual multiplexed inputs

■ 1% differential gain with 1° differential phase

■ 36dB/octave roll-off on all channels

■ Pin compatible upgrade to the award winning FMS6417

Applications

■ Cable set top boxes

■ Satellite set top boxes

■ DVD players

■ HDTV

■ Personal Video Recorders (PVR)

■ Video On Demand (VOD)

■ Media Centers

Description

The FMS6417A offers comprehensive filtering for set top box or

DVD applications. This part consists of a triple 6th order filter

with selectable 30MHz or 8MHz frequencies and a dual filter for

filtering Y,C with a composite summer and a modulator channel

with sound-notch and FCC group delay compensation. The

modulator provides sound-notching and FCC group delay com-

pensation for NTSC.

2-to-1 multiplexers are provided on the triple filters as well as

provisions for auxiliary inputs to the composite channel. The triple

filters are intended for either YUV or RGB signals. All channels

accept AC or DC coupled ground-referenced 1V signals. The filters

output 2Vpp signals into AC coupled terminated loads. The low-

pass filters are powered by 3.3V and the modulator and outputs

by 5.0V.

Functional Block Diagram

INMUX (A/B) Filter Select (HD/SD)

RINA (VINA)

RINB (VINB)

GINA (YINA)

GINB (YINB)

BINA (UINA)

BINB (UINB)

YIN

AUXIN

CIN

0.5V

(Internal

Reference)

CVMUX (YIN/CIN; AUXIN)

ROUT (VOUT)

6dB

GOUT (YOUT)

6dB

BOUT (UOUT)

6dB

6dB

6dB

6dB

6dB

YOUT

CVOUT

COUT

MODOUT

FMS6417A Rev. 2A

1

www.fairchildsemi.com

©2005 Fairchild Semiconductor Corporation

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