NTE7058

Integrated Circuit

Single Chip TV NTSC System

Description:

The NTE7058 combines all the functions required for an NTSC color TV system in a 64–Lead DIP

type plastic package. This device is designed to offer a wide capability of applications from fundamen-

tal CTV to high–end MPX CTV with a quasi–parallel SIF system, requiring minimal external parts and

adjustments. A quasi–parallel SIF system assures buzz–free sound reproduction.

Features:

PIF Section

D 3–Stage Variable Gain PIF Amplifier

D High–Speed Peak AGC with Dual Time Constants

D Single–End AFT Output with Defeat Function

D Delayed RF AGC Output (Reverse AGC)

D Sync Positive–Detected Video Output Polarity

D Internal Black/White Noise Inverter

Quasi–Parallel Intercarrier Detector

D 3–Stage Variable Gain Intercarrier IF Amplifier

D Independent Peak AGC

D Intercarrier Detector with 90° Carrier Shift

SIF Section

D 3–Stage Limiter Amplifier

D Differential Peak Detector

D Separated Detector Output and Electronic Attenuator Input for Multiplex TV Sound Reception

D Excellent Electronic Attenuator

D Preamplifier with NF Terminal

Video Section

D Contrast Control with Unicolor Function

D Brightness Control with Pedestal Clamping Circuit (Adjustable DC Restoration Ratio)

D Internal Vertical Blanking