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)