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FMS6403MTC20X_NL, FMS6406, FMS6406AB

Table of contents:
Info of FMS6403MTC20X_NL
Info of FMS6406
Info of FMS6406AB

FMS6403MTC20X_NL, FMS6406, FMS6406AB Selling Leads, Datasheet

MFG:FAIRCHILD Package Cooled:SOIC D/C:2010+

FMS6403MTC20X_NL, FMS6406, FMS6406AB Picture

FMS6403MTC20X_NL, FMS6406, FMS6406AB Datasheet download

Five Points

Part Number: FMS6403MTC20X_NL

MFG: FAIRCHILD

Package Cooled: SOIC

D/C: 2010+

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FMS6406 General Description

The FMS6406 is a dual Y/C 5th order Butterworth lowpass video filter optimized for minimum overshoot and flat group delay. The device also contains a summing circuit to generate filtered composite video, an audio trap and group delay compensation circuit. The audio trap removes video information in the spectral location of the subsequent RF audio carrier. The group delay circuit predistorts the signal to compensate for the inherent receiver IF filter's group delay distortion.

In a typical application, the Y and C input signals from DACs are AC coupled into the filters. Both channels have DC restore circuitry to clamp the DC input levels during video sync. The Y and C channels use separate feedback clamps. The clamp pulse is derived from the Y channel.

All outputs are capable of driving 2Vpp, AC or DC coupled, into either a single or dual video load. A single video load consists of a series 75 impedance matching resistor connected to a terminated 75 line, this presents a total of 150 of loading to the part. A dual load would be two of these in parallel which would present a total of 75 to the part. The gain of the Y, C and CV signals is 6dB with 1Vpp input levels. All video channels are clamped during sync to establish the appropriate output voltage reference levels.

FMS6406 Maximum Ratings

Product	Product status	Eco Status	Pricing*	Package type	Leads	Packing method	Package Drawing	Package Marking Convention**
FMS6406CS	Not recommended for new designs	RoHS Compliant	N/A	SOIC	8	RAIL		Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: 6406 Line 3: CS
FMS6406CSX	Full Production	RoHS Compliant	$1.69	SOIC	8	TAPE REEL		Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: 6406 Line 3: CS

* Fairchild 1,000 piece Budgetary Pricing

** A sample button will appear if the part is available through Fairchild's on-line samples program. If there is no sample button, please contact a Fairchild distributor to obtain samples

Package marking information for product FMS6406 is available. Click here for more information .

FMS6406 Features

7.6MHz 5th order Y,C filters with composite summer
14dB notch at 4.425MHz to 4.6MHz for sound trap capable of handling stereo
50dB stopband attenuation at 27MHz on Y, C and CV outputs
Better than 0.5dB flatness to 4.2MHz on Y, C and CV outputs
Equalizer and notch filter for driving RF modulator with group delay of -180ns
No external frequency selection components or clocks
< 5ns group delay on Y, C and CV outputs
AC coupled inputs
AC or DC coupled outputs
Capable of PAL frequency for Y,C,CV
Continuous Time Low Pass Filters
< 1.4% differential gain with 0.7° differential phase on Y, C and CV channels
Integrated DC restore circuitry with low tilt

FMS6406 Typical Application

Cable set-top boxes
Satellite set-top boxes
DVD players

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