SN761678 Datasheet - Texas Instruments

SN761678 TV/VCR TUNER

The SN761678 is a single-chip, synthesized tuner IC designed for TV/VCR tuning systems. The circuit consists of a PLL synthesizer, 3-band local oscillators and mixer, 30-V output tuning amplifier, four NPN band switch drivers, and is available in a small package outline. Fifteen-bit programmable cou.

SN761678 TV/VCR TUNER D Single Chip Mixer/Oscillator and Synthesizer D 3-Band Local Oscillator D I2C Bus Protocol D Bidirectional Data Transmission D 30-V Tuning Voltage Output VHI OSC C VHI OSC B OSC GND VLO OSC C VLO OSC B UHF OSC B1 UHF OSC C1 UHF OSC C2 UHF OSC B2 IF GND VCC IF OUT CP VTU XTAL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 SLES104 DECEMBER 2003 D 4-Channel NPN-Type Bandswitch Drivers D Programmable Reference Divider Ratio (512, 640, or 1024) D 5-V Power Supply D 30-Pin TS.

SN761678-etcTI.pdf