PLL-Tuned UHF and VHF Audio/Video High-Integration Modulator

The MC44BS373CA audio and video modulator is for use in VCRs, set-top boxes, and similar devices. • Supports multiple standards • TV output level 82 dBµV typical • 5- and 3.3-V compatible I2C bus Features The MC44BS373CA also has the following features: • Integrated on-chip programmable UHF

文件：880.24 Kbytes 页数：52 Pages

FREESCALEFreescale Semiconductor, Inc

飞思卡尔飞思卡尔半导体

PLL-Tuned UHF and VHF Audio/Video High-Integration Modulator

The MC44BS373CA audio and video modulator is for use in VCRs, set-top boxes, and similar devices. • Supports multiple standards • TV output level 82 dBµV typical • 5- and 3.3-V compatible I2C bus Features The MC44BS373CA also has the following features: • Integrated on-chip programmable UHF

文件：637.79 Kbytes 页数：52 Pages

MOTOROLA

摩托罗拉

PLL-Tuned UHF and VHF Audio/Video High-Integration Modulator

The MC44BS373CA audio and video modulator is for use in VCRs, set-top boxes, and similar devices. • Supports multiple standards • TV output level 82 dBµV typical • 5- and 3.3-V compatible I2C bus Features The MC44BS373CA also has the following features: • Integrated on-chip programmable UHF

文件：637.79 Kbytes 页数：52 Pages

MOTOROLA

摩托罗拉

PLL Tuned UHF and VHF Audio/Video High Integration Modulator

Overview The MC44BS373CA is a multi-standard, PAL/SECAM/NTSC modulator. The channel is set by an on-chip high-speed I2C compatible bus receiver. A phase-locked loop (PLL) tunes the modulator over the full UHF range. The modulator incorporates a sound subcarrier oscillator and uses a second PLL to de \n\t•Integrated on-chip programmable UHF oscillator\n\t•No external varicaps diodes/inductor or tuned components\n\t•Extremely low external components count\n\t•Channel 21-69 UHF operation\n\t•VHF range possible by internal dividers (30 MHz to 450 MHz)\n\t•Boosted TVout level (82 dBuV typical)\n\t•H;

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