MC1372

® MOTOROLA MC1372 COLOR TV VIDEO MODULATOR ... an mtegrated circuit used to generate an RF TV signal from baseband color-difference and luminance signals. The MC1372 contains a chroma subcamer oscillator, a lead and COLOR TV VIDEO MODULATOR CIRCUIT SILICON MONOLITHIC INTEGRATED CIRCUIT lag network, a quasi-quadrature suppressed carrier DSB chroma modulator, an RF oscillator and modulator, and an LSTTL compatrble clock driver with adjustable duty cycle. The MC1372 is a companion part to the MC6847 Video Display Generator, providmg and accepting the correct de interconnection levels. This device may also be used as a general-purpose modulator wtth a variety of vtdeo signal generating devices such as video games, test equipment, video tape recorders, etc. .~ '~~ ~ ~ ~ Duty P SUFFIX PLASTIC PACKAGE CASE 646-05 Single 5.0 Vdc Supply Operation for NMOS and TTL Compatibility Minimal External Components Pin Connections Compatible with MC6847 Video Display Generator Sound Carrier Addition Capability Modulates Channel 3 or 4 Carrier with Encoded Vrdeo Signal Low Power Dissipation Linear Chroma Modulators for High Versatrlity Composrte Vrdeo Signal Generation Capability Ground-Referenced Video Prevents Overmodulation Chromtnance input Lum1nance Input ChrorT;a 1'0odu!ator Output FIGURE 1- BLOCK DIAGRAM RF Color 8 Input Lum1flance 1npi..-t Modulator Output Oscillator Input Chrorninance 1nput e----, 41r--+-----t-D Clock Output Modulator Outpu"t...