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 fundamental 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

• 3–Stage Variable Gain PIF Amplifier

• High–Speed Peak AGC with Dual Time Constants

• Single–End AFT Output with Defeat Function

• Delayed RF AGC Output (Reverse AGC)

• Sync Positive–Detected Video Output Polarity

• Internal Black/White Noise Inverter

Quasi–Parallel Intercarrier Detector

• 3–Stage Variable Gain Intercarrier IF Amplifier

• Independent Peak AGC

• Intercarrier Detector with 90° Carrier Shift

SIF Section

• 3–Stage Limiter Amplifier

• Differential Peak Detector

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

• Excellent Electronic Attenuator

• Preamplifier with NF Terminal

Video Section

• 2nd Order Picture Sharpness (DC Control)

• Contrast Control with Unicolor Function

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

• Internal Vertical Blanking

Chroma Section

• ACC Circuit

• Color Control Circuit

• Unicolor Control Circuit

• Adjustment–Free APC Circuit

• Tint Control Circuit with Sync Pulse Output

• Color Differential Outputs

Deflection Section

• Excellent Sync Separator

• Adjustment–Free Countdown System

• Stable Vertical Synchronization

• Sawtooth–Type AFC

• Horizontal Predriver

• X–Ray Protector

• Vertical Drive Amplifier