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鈥揕ead DIP
type plastic package. This device is designed to offer a wide capability of applications from fundamen-
tal CTV to high鈥揺nd MPX CTV with a quasi鈥損arallel SIF system, requiring minimal external parts and
adjustments. A quasi鈥損arallel SIF system assures buzz鈥揻ree sound reproduction.
Features:
PIF Section
D
3鈥揝tage Variable Gain PIF Amplifier
D
High鈥揝peed Peak AGC with Dual Time Constants
D
Single鈥揈nd AFT Output with Defeat Function
D
Delayed RF AGC Output (Reverse AGC)
D
Sync Positive鈥揇etected Video Output Polarity
D
Internal Black/White Noise Inverter
Quasi鈥揚(yáng)arallel Intercarrier Detector
D
3鈥揝tage Variable Gain Intercarrier IF Amplifier
D
Independent Peak AGC
D
Intercarrier Detector with 90擄 Carrier Shift
SIF Section
D
3鈥揝tage 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
2
nd
Order Picture Sharpness (DC Control)
D
Contrast Control with Unicolor Function
D
Brightness Control with Pedestal Clamping Circuit (Adjustable DC Restoration Ratio)
D
Internal Vertical Blanking
1
2
3
4
