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CA3217E bảng dữ liệu(PDF) 1 Page - Intersil Corporation |
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CA3217E bảng dữ liệu(HTML) 1 Page - Intersil Corporation |
1 / 9 page CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2002. All Rights Reserved 7-65 ® CA3217 Single Chip TV Chroma/Luminance Processor Description The Harris CA3217E (Note) is a monolithic silicon integrated circuit. It contains all the required circuit functions between the video detector and the picture tube RGB driver stages of a color television receiver. The CA3217E decodes the chrominance signals and then produces three different color signals that are internally combined with the luminance to develop the RGB signals. The picture saturation, hue and brightness DC controls are externally adjustable by the viewers. The AFPC, ACC, Dynamic flesh control, Beam limiting and Gate black level (Brightness) control are servo loops used to stabilize the RGB output and reduce frequent manual adjustment. The automatic beam limiter circuit reduces picture contrast and brightness to prevent excessive drive output at the picture tube. NOTE: Formerly Developmental Type No. TA10806. Ordering Information PART NUMBER TEMPERATURE RANGE PACKAGE CA3217E -40oC to +85oC 28 Lead PDIP Features • All Chroma Processing and Demodulating Circuitry on a Single Chip in a 28 Lead Plastic Package • Phase Locked Subcarrier Regeneration Utilizing Sample and Hold Techniques • Supplementary ACC with Overload Detector to Prevent Over Saturation of the Picture Tube • Linear DC Controls for Chroma Gain and Tint • Dynamic “Flesh Correction” - Corrects Purple and Green Flesh Colors without Affecting Primary Colors • Balanced Chroma Demodulators with Low Output Impedance for Direct Coupling • Internal RF Filtering • Requires Few External Components • Automatic Beam Limiter • Chroma Luminance Tracking Picture Control May 1997 Pinout CA3217 (PDIP) TOP VIEW CHROMA OUT CHROMA CONTROL CHROMA INPUT OVERLOAD FILTER ACC, KILLER FILTER SANDCASTLE PULSE GND APC FILTER OSCILLATOR IN 90o OSCILLATOR IN 180o OSCILLATOR OUT TINT CONTROL BEAM LIMITER PICTURE CONTROL LOW PASS FILTER BRIGHT CONTROL VCC RED Q CARRIER IN I CARRIER IN DEMODULATOR CHROMA IN OVERLOAD, FLESH DISABLE CARRIER OUT LUMINANCE BLUE GREEN 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 File Number 1332.3 NOT REC OM MEN DED FOR NEW DES IGN S |
Số phần tương tự - CA3217E |
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Mô tả tương tự - CA3217E |
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