NTE7148 Datasheet, PDF (1/7 Pages) NTE Electronics – Integrated Circuit Color TV Single-Chip Signal Processor for NTSC Systems (PLL Detection)

NTE7148
Integrated Circuit
Color TV Single–Chip Signal Processor
for NTSC Systems (PLL Detection)
Description:
The NTE7148 is an integrated circuit in a 52–Lead DIP type package designed for use in color TVs
based on the NTSC (National Television System Committee) system with an on–chip circuit for all VIF,
SIF, video, chroma, and deflection signal processing.
Functions and Features:
VIF
D PLL Detection (High Video and Audio Quality)
D High–Gain VIF Amplifier
D High Speed AGC
D On–Chip APC Time Constant Switch
SIF
D Simultaneous Sound IN/OUT
D Video/Audio Simultaneous Muting, or Audio–Only Muting Possible
Audio–Visual Switch
D Internal/External Audio–Visual Switch (V_CC = 9V)
Delay Line Video External, Audio External
OFF
IN
OFF
EXT
ON
EXT
ON
IN
Switch Rating
6.9V to 9.0V
4.7V to 6.6V
2.4V to 4.3V
0V to 2.1V
OSD
D RGB 3 Input
D RGB Linear Amplifier (–6dB Input: 2V to 5V)
D Fast Blanking (B Input Combined Use)
Chroma
D On–Chip ACC Filter
D On–Chip Killer Filter
D Killer–Circuit Hysteresis Operation
D On–Chip Carrier Filter
Video
D Black Enhancement
D DC Playback
D On–Chip Delay Line
D Wideband Width (9MHz): Delay Line Short
D Dual Rank On–Chip Differential Circuit Also
Available for Soft Also
D S Input Supported (VCR Application)
D Variable DC Transmission Volume Available
Deflection
D Adjustment–Free Horizontal, Vertical Synchronization
D Dual AFC System with Excellent Anti–Noise Characteristics
D External Adjustmant of Vertical Synchronization Sensitivity
D Vertical Size is Constant with No–Signal
D Highly Stable Image During Playback of Copy Protected tapes (Macro–Vision Tape etc.)
D High Stability Against VCR Skew Distortion