Description:

The NTE7149 is an integrated circuit in a 56–Lead DIP type package designed for use as a PIF, SIF, video, chroma and deflection circuit for NTSC color TVs. This device also provides audio/video switching and a text interface.

Features:

PIF Circuit

● PLL Type IF Demodulation (Bus Alignment)

● Adjustment Free AFT Without Tank Coil

● RF AGC Output (Delay Point: Bus Alignment)

● Dual Time Constant Fast AGC

Video Circuit

● Black Stretcher

● DC Restoration Circuit

● D.L. Aperture Compensate Circuit (Bus Control)

● Uni–Color Circuit (Bus Control)

● 3.58MHz Trap Filter Circuit (Bus ON/OFF)

● Y Delay Line Circuit

● Internal Filter Auto–Adjust Circuit (FSC Link Type)

Chroma Circuit

● Color Control Circuit (Bus Control)

● Tint Control Circuit (Bus Control)

● B.P.F. / T.O.F. Circuit (Bus Select)

● Included ACC/Killer Filter

SIF Circuit

● Inter Carrier SIF System

● External Sound Select Switch (Bus Select)

● Attenuator Circuit (Bus Control)

Text Circuit

● Linear RGB Input

● Cut Off/Drive Adjustment (Bus Adjustment)

● RGB Primary Color Output

Deflection Circuit

● Adjustment Free Countdown System

● Sync. Separation Output

● X–Ray Protect Circuit

● Vertical Amplitude Adjustment (Bus Adjustment)

● Vertical Ramp Output

● Dual Time Constant AFC Circuit

● Auto–Slicer Type High Performance Sync. Separation Circuit

● Horizontal and Vertical Position Adjustment (Bus Adjustment)