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LA7674 Datasheet PDF - SANYO -> Panasonic

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LA7674 Datasheet PDF : LA7674 pdf     
LA7674 image

Overview
The LA7674 improves upon the black-level, horizontal jitter, switch-on drift performance of the single-chip LA7672 used to date. Also a single-chip IC, the LA7674 is for color TVs based on the NTSC (National Television System Committee) system with an on-chip circuit for all VIF, SIF, video, chroma and deflection signal processing.

Functions and 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 = 9V)

[OSD]
• RGB 3 input
• RGB linear amplifier (– 6dB input: 2V to 5V)
• 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
• DC playback
• On-chip delay line
• Wide band width (9MHz): delay line short
• Dual 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
• Dual 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 etc.)
• High stability against VCR skew distortion

Page Link's: 1  2  3  4  5  6 
 

Part Name
Description
PDF
Manufacturer
Integrated Circuit Color TV Single–Chip Signal Processor for NTSC Systems (PLL Detection)
NTE Electronics
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
Mitsumi
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
Mitsumi
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
MITSUBISHI ELECTRIC
NTSC System Single-Chip Color TV Signal Processor
MITSUBISHI ELECTRIC
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
MITSUBISHI ELECTRIC
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
MITSUBISHI ELECTRIC
Integrated Circuit NTSC Single Chip Color TV Signal Processor
NTE Electronics
Integrated Circuit NTSC System Single–Chip Color TV Signal Processor
NTE Electronics
Integrated Circuit NTSC System Single–Chip Color TV Signal Processor
NTE Electronics

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