NTE7115 データシートの表示（PDF） - NTE Electronics

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NTE7115

Integrated Circuit Color TV Horizontal Combination Circuit

NTE Electronics 

NTE7115

Integrated Circuit

Color TV Horizontal Combination Circuit

Description:

The NTE71115 is a monolithic integrated circuit in a 18–Lead DIP type package designed for use in

color television receivers.

Features:

D Positive Video Input: Capacitively Coupled (Source Impedance < 200Ω)

D Adaptive Sync Separator: Slicing Level at 50% of Sync Amplitude

D Internal Vertical Pulse Separator w/Double Slope Integrator

D Output Stage for Vertical Sync Pulse or Composite Sync Depending on the Load; Both are

Switched OFF at Muting

D ö1 Phase Control Between Horizontal Sync and Oscillator

D Coincidence Detector ö3 for Automatic Time Constant Switching; Overruled by the VCR Switch

D Time Constant Switch Between Two External Time Constants for Loop Gain; Both Controlled

by the Coincidence Detector ö3

D ö1 Gating Pulse Controlled by Coincidence Detector ö3

D Mute Circuit Depending on TV Transmitter Identification

D ö2 Phase Control Between Line Flyback and Oscillator; the Slicing Levels for ö2 Control and

Horizontal Blanking can be set Separately

D Burst Keying and Horizontal Blanking Pulse Generation, in Combination with Clamping of the

Vertical Blanking Pulse (Three–Level Sandcastle)

D Horizontal Drive Output with Constant Duty Cycle Inhibited by the Protection Circuit or the

Supply Voltage Sensor

D Detector for Too Low Supply Voltage

D Protection Circuit for Switching Off the Horizontal Drive Output Continuously if the Input Voltage

is Below 4V or Higher than 8V

D Line Flyback Control Causing the Horizontal Blanking Level at the Sandcastle Output Continuously

in Case of a Missing Flyback Pulse

D Spot Suppressor Controlled by the Line Flyback Control

Applications:

D Television Receivers

D Video Receivers

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