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Partname: | SN761678BDBTR |
Description: | TV TUNER IC |
Manufacturer: | Texas Instruments |
Datasheet: | PDF (435K). Click here to download *) |
The SN761678B is a synthesized tuner IC designed for TV tuning systems. The circuit consists of a phase-locked loop (PLL) synthesizer, three-band local oscillator and mixer, 30-V output tuning amplifier, and four NPN band-switch drivers. The device is available in a small-outline package. A 15-bit programmable counter and reference divider are controlled by I2C bus protocol. Tuning step frequency is selectable by this reference divider ratio for a crystal oscillator. blk |
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