Description

The CXA1870S is a bipolar IC which integrates the NTSC color TV luminance signal processing, chroma signal processing, sync signal processing, and RGB signal processing onto a single chip.

Features

• I2C bus compatible. Various types of adjustments and user controls performed with two bus lines SCL and SDA.

• H and V oscillation frequencies made non adjusting with a countdown system.

• Non-adjusting Y system filters (chroma trap, delay line)

• Built-in V picture distortion correction circuit

• Built-in delay line aperture compensation

• Auto cut-off function for automatic CRT cut-off adjustment and compensation for changes with time

• Multiple inputs

  Composite video:  2 systems 

  (Built-in 2-input, 1-output video switch)

  Y/C separation input:  1 system

  On screen display input: 1 system

Applications

• Color TV

Structure

Bipolar silicon monolithic IC