NTE7058中文资料Integrated Circuit Single Chip TV NTSC System数据手册NTE规格书

描述 Description

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 InverterQuasi–Parallel Intercarrier Detector
• 3–Stage Variable Gain Intercarrier IF Amplifier
• Independent Peak AGC
• Intercarrier Detector with 90° Carrier ShiftSIF 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 TerminalVideo Section
• 2nd Order Picture Sharpness (DC Control)
• Contrast Control with Unicolor Function
• Brightness Control with Pedestal Clamping Circuit (Adjustable DC Restoration Ratio)
• Internal Vertical BlankingChroma Section
• ACC Circuit
• Color Control Circuit
• Unicolor Control Circuit
• Adjustment–Free APC Circuit
• Tint Control Circuit with Sync Pulse Output
• Color Differential OutputsDeflection Section
• Excellent Sync Separator
• Adjustment–Free Countdown System
• Stable Vertical Synchronization
• Sawtooth–Type AFC
• Horizontal Predriver
• X–Ray Protector
• Vertical Drive Amplifier