NTE1790

NTE1790 Integrated Circuit Video IF, Chroma Deflection Description: The NTE1790 combines all the functions required for an NTSC color TV system on a 64–Lead DIP shrink type plastic package. This device is designed to have wide application capability, from a fundamental CTV application to a high–end MPX CTV with quasi–parallel SIF system, with minimal external parts and adjustments. A quasi–parallel SIF system assures buzz free sound reproduction. Features: PIF Section D 3–Stage Variable Gain PIF Amplifier D High Speed Peak AGC with Dual Time Constants D Single End AFT Output with Defeat Function D A Delayed RF AGC Output (Reverse AGC) D Sync Positive Detected Video Output Polarity D Internal Black/White Noise Inverter Quasi–Parallel Inter Carrier Detector D 3–Stage Variable Gain Intercarrier IF Amplifier D Independent Peak AGC D Intercarrier Detector with 90 deg. Carrier Shifter SIF Section: D 3–Stage Limiter Amplifier D Differential Peak Detector D Separated Detector Output and Electronic Attenuater Input for Multiplex TV Sound Reception D Excellent Electronic Attenuater D Preamplifier with an NF Terminal Video Section: D 2nd Order Picture Sharpness (DC Control) D Contrast Control with Uni–Color Function D Brightness Control with Pedestal Clamping Circuit (Adjustable DC Restoration Ratio) D Internal Vertical Blanking Chroma Section: D ACC Circuit D Color Control Circuit D Uni–Color Control Circuit D Adjustment Free APC Circuit D Tint Control Circuit With Sync Pulse Output D ...