Video chips and circuits

Index

Video chip

• Video amplifiers
• Sync generators
• Sync separators
• Video clocking
• Video decoders
• 100 Hz TV chips
• Analogue video encoders
• Analogue video to digital video
• Digital video to analogue video
• Computer to TV chips
• Digital video compression/decompression
• Closed-caption decoders
• Misc video chips
• Links to semiconductor manufacturer video chip pages

Video circuits

• Video transmission and modulation
• Video distribution
• Digital video technology
• Equipment modifications
• Video conversion

Video chips

Video amplifiers

• Differential Video Amplifier uA592
• LM733C Differential Video Amplifier [Obsolete] - from National
• MAX404 Differential video amplifier - from Maxim, datasheet in pdf format

Sync generators

• CD22402 Sync Generator for TV Applications and Video Processing
• LM1882 / 74ACT715 Programmable Video Sync Generator - now obsolete parts
• SAA1101 Universal sync generator suitable for genlocking

Sync separators

Chipt to get separate sync signals out of the composite video or composite sync signals.

• EL1881C sync seprator - improved version of popular LM1881, datasheet in pdf format
• EL4581C sync seprator - improved version of LM1881, datasheet in pdf format
• EL4583C sync seprator - datasheet in pdf format
• LM1881 sync separator from National Semiconductor, check also LM 1881 video sync signal separator example circuit

Video clocking

• EL4584C - Horizontal Genlock, 4FSC
• EL4585C - Horizontal Genlock, 8FSC
• ICS1522 - programmable video clock/line locked clock generator

Video decoders

Chips to convert composite video to RGB or component video.

• MC44011 - bus controlled multistandard video processor from Motorola, check also application note
• TDA3330 - Composite Video to RGB Colour Decoder originally intended for PAL and NTSC, application note includes PCB artwork and layout of an evaluation board for colour TV receivers and monitors
• TDA3566A PAL/NTSC Decoder - from Philips
• TDA8310A PAL/NTSC Colour Processor For PIP Applications - Philips
• TDA9144 I2C-Bus Controlled PAL/NTSC/Section - from Philips

100 Hz TV chips

• SAA4977H - video processing IC providing analog YUV interfacing, video enhancing, field rate up-conversion (50 to 100 Hz or 60 to 120 Hz), embedded 80C51 microprocessor core
• SAA4990H Progressive scan-Zoom and Noise reduction IC - progressive scan conversion (262.5 to 525 or 312.5 to 625 lines/field)

Analogue video encoders

Convert RGB or component video to composite video signal.

• AD720 RGB to NTSC/PAL Encoder
• AD721 RGB-to-NTSC/PAL Analog Encoder + Drive RGB Monitors
• AD722 RGB to NTSC/PAL encoder
• AD724 RGB to NTSC/PAL Encoder
• AD725 RGB to NTSC/PAL Encoder
• CXA1145P RGB to NTSC/PAL - used in Sony videogames, no data available on web
• MC13077 - RGB/YUV to PAL/NTSC encoder from Motorola
• MC1377 RGB to NTSC/PAL - very popular chip in older designs, datasheet no longer available in Motorola web site, for new designs Motorola recommends MC1378
• MC1378 RGB to NTSC/PAL encoder and genlock/overlay chip - datasheet in pdf format
• Philips Video Encoders - link to group of products
• TDA8501 PAL/NTSC encoder from Philips

Analogue video to digital video

• Bt848 - complete, low cost single-chip solution for analog NTSC/PAL/SECAM video capture on the PCI bus
• TDA8703 - 8 bit 40 MHz A/D converter
• TDA8707 Triple RGB 6-Bit Video Analog-To-Digital Interface
• TDA8708A - 8 bit 32 MHz A/D converter, includes circuit example

Digital video to analogue video

• Bt856 Digital NTSC/PAL Encoder from Brooktree
• CS4952/53: NTSC/PAL Digital Video Encoder Crystal Semicondictor
• SAA7182 - encodes digital video into PAL, SECAM or NTSC composite video, S-Video (Y/C) and RGB analog signals
• SAA7183 - encodes digital video into PAL, SECAM or NTSC composite video, S-Video (Y/C) and RGB analog signals
• Sony Computer Audio/Video ICs - NTSC/PAL Video Encoders
• TDA8702 - 8 bit 30 MHz D/A converter

Computer to TV chips

• AIT1108E - single chip 24-bit scan converter RGB signals to NTSC/PAL-compatible video from AITech, check also short announcement in CGW magazine
• AIT1168 - single- chip VGA-to-Video scan converter IC from AITech
• AIT2108 - multi-sync scan converter IC from AITech
• AITech International AIT2108 and AIT1108 - VGA to TV conversion ICs
• AL100 - Plug & Play VGA to NTSC / PAL Scan Converter from Averlogic
• AL110 - Single Chip VGA to NTSC / PAL Scan Converter from Averlogic
• ATI ImpacTV - integrated NTSC/PAL TV-out chip with scaling for PC graphics cards from ATI Technologies
• Bt868/869 - generates composite and Y/C (S-video) signal from various YCrCb or RGB digital streams, provides a fully programmable DSP engine
• Chrontel VGA to NTSC/PAL Encoder ICs - CH7001, CH7002, CH7003 and CH7004
• Chrontel CH7001 - VGA to TV converter chip, needs drivers
• Raytheon TMC2360 - VGA to NTSC/PAL converter chip

Digital video compression/decompression

• ADV601 Wavelet Video Codec
• CL480VCD MPEG-1 System Decoder from C-Cube
• Digital Semicondictor Multimedia Chips - video codecs
• MPEG Chipsets, Engines and Tools
• MPEG Producs and Services - good link list to MPEG chipsets and software

Closed-caption decoders

• MC144144 - Enhanced Closed Caption Decoder
• SAA5252 - Line Twenty-One Acquisition And Display

Misc video chips

• Documentat sur des composants sp�cifiques - information about video ICs, text in france but pinout figures are useful
• LM2889 TV Video Modulator

Links to semiconductor manufacturer video chip pages

• Brooktree Computer Imaging Products - dacs, NTSC/PAL encoders, decoders
• Chips in the functional section TV - from chip directory
• Elantec: Applications Specific: Video - amplifiers, sync separators, muxes, genlock
• Harris Semiconductor Solutions For Multimedia & Video Imaging - decoders, encoders, switches, amplifiers, DSP, RGB graphics
• The Elantec Video Building Block - info on Elantec video ICs

Video related circuits

Video distribution

• A Cost Effective Method for Transmitting Composite Video - video over twisted pair wiring, application note in pdf format
• Driving Multiple VGA Monitors - simple multiple-monitor driver circuit
• The Audio / Video Distribution Amplifier
• Video amplifier circuit from discrete transistors

Video transmission and modulation

• VHF Audio Video Transmitter
• Video S�ndare

Digital video technology

• 24-bit RGB Video Digitizer - designed for use as the front end of a digital video processor
• A Low Power Video Timing Module
• Closed-Caption Decoder with serial output - based on a PIC16C71, an �lantec EL4581C sync separator, and an LM393 dual comparator
• Dirt Cheap Frame Grabber - very cheap and simple but bad quality video digitizer for PC, compressed tar file
• Homebuilt Video digitiser - connect to BBC computer or PC parallel port

Equipment modifications

• An AC-3 RF Output Upgrade for Laserdisc Players - performed on a Pioneer CLD-D703

Video conversion

• A Simple Circuit Removes Sync
• Genlock circuit using EL4584 - text in French bu the schematic is usable
• LM 1881 video sync signal separator example circuit - separate sync signals from composite video signal
• Simple Video fader
• Sync on green converter circuit for VGA
• Sync-on-green circuit
• VGA to TV converter
• VGATV Version 2.0 - converts RGB from VGA to card to PAL composite video
• Video Encoder for Amstrad CPC - low quality RGB to composite video circuit based on LM1377

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