Description The CXA3219M is a UHF-band RF modulator which converts the frequency of audio and video signals. Some circuits which comprise this IC are a UHF oscillator video clamp, white clip, video modulator, audio FM modulator and an intercarrier SW. Features • Low voltage of 5V • Wide bandwidth 470 to 750MHz • UHF oscillator greatly reduces external parts • Sharp white clip circuit • Built-in voltage regulator can accept large fluctuation of supply voltage • Video input of 0.5Vp-p for general-purpose use • Mixer simplifies RF unit design • Picture/sound ratio is adjustable with external parts • Intercarrier switch Applications PAL system VCR
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