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LA7672 Datasheet PDF - SANYO -> Panasonic

Part NameDescriptionManufacturer
LA7672 Color TV Single-Chip Signal Processor for NTSC Systems (PLL Detection) SANYO
SANYO -> Panasonic SANYO
Other PDF  no available.
LA7672 Datasheet PDF : LA7672 pdf   
LA7672 image

Overview
The LA7672 is a single-chip IC for color TVs based on the NTSC system with on-chip circuit for all VIF, SIF, video, chroma and deflection signal processing.

Features
[VIF]
• PLL detection (high video and audio quality)
• High-gain VIF amplifier
• High speed AGC
• On-chip APC time constant switch

[SIF]
• Simultaneous sound IN/OUT
• Video/audio simultaneous muting, or audio-only muting
   possible
  
[Audio-visual switch]
• Internal/external audio-visual switch (VCC = 9 V)

[OSD]
• RGB 3 input
• RGB linear up (– 6 dB input: 2 V to 5 V)
• Fast blanking (B input combined use)

[Chroma]
• On-chip ACC filter, On-chip killer filter, Killer-circuit
   hysteresis operation
• On-chip carrier filter

[Video]
• Black enhancement
• On-chip delay line
• Wide band width (9 MHz): delay line short
• Duel rank on-chip differentiation circuit also available
   for soft also
• S input supported (VCR application)
• Variable DC transmission volume available (externally
   attached circuit adjustment)

[Deflection]
• Adjustment-free horizontal, vertical synchronization
• Duel AFC system with excellent anti-noise
   characteristics
• External adjustment of vertical synchronization
   sensitivity
• Vertical size is constant with no-signal
• Highly stable image during playback of copy protected
   tapes (macro-vision tape)
• High stability against VCR skew distortion

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