SN761678B

TV TUNER

Texas Instruments

SN761678B Features

* Single-Chip Mixer/Oscillator and Phase-Locked Loop (PLL) Synthesizer

* Three-Band Local Oscillator

* I2C Bus Protocol (Bidirectional Data Transmission)

* 30-V Tuning Voltage Output

* Four NPN-Type Band-Switch Drivers

* Programmable Reference Divider

SN761678B General Description

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 p.

SN761678B Datasheet (394.74 KB)