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SN761667 - DIGITAL TV TUNER

Description

The SN761667 is a low-phase-noise synthesized tuner IC designed for digital TV tuning systems.

The circuit consists of a PLL synthesizer, three-band local oscillator and mixer, RF AGC detector circuit, and IF gain-controlled amplifier.

The SN761667 is available in a small QFN package.

Features

  • Integrated Mixer/Oscillator/PLL and IF GCA.
  • VHF-L, VHF-H, UHF Three-Band Local Oscillator.
  • RF AGC Detector Circuit.
  • I2C Bus Protocol Bidirectional Data Transmission.
  • High-Voltage Tuning Voltage Output.
  • Four NPN-Type Band-Switch Drivers.
  • One Auxiliary Port/5-Level ADC.
  • Crystal Oscillator Output.
  • Programmable Reference Divider Ratio (24/28/50/64/80/128).
  • Low Distortion IF Gain Controlled Amplifier.

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